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  "name": "In re M.W., a Minor (The People of the State of Illinois, Appellant, v. M.W., Appellee)",
  "name_abbreviation": "People v. M.W.",
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    "parties": [
      "In re M.W., a Minor (The People of the State of Illinois, Appellant, v. M.W., Appellee)."
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      {
        "text": "JUSTICE GARMAN\ndelivered the judgment of the court, with opinion.\nChief Justice Fitzgerald and Justices Kilbride, and Karmeier concurred in the judgment and opinion.\nJustice Freeman specially concurred, with opinion, joined by Justices Thomas and Burke.\nOPINION\nMinor-respondent M.W. was adjudicated delinquent by the circuit court of Cook County. The appellate court vacated the order, finding that the circuit court lacked subject matter jurisdiction to make such a finding because the minor\u2019s father had not been served with a copy of the amended delinquency petition, as required by section 5 \u2014 530 of the Juvenile Court Act of 1987 (Act) (705 ILCS 405/5 \u2014 530 (West 2004)). No. 1 \u2014 05\u20143127 (unpublished order under Supreme Court Rule 23).\nWe granted the State\u2019s petition for leave to appeal pursuant to Supreme Court Rule 315 (210 Ill. 2d R. 315(a)) and, for the reasons that follow, we reverse the judgment of the appellate court.\nBACKGROUND\nShortly after midnight on a Saturday night in April 2003, a 14-year-old boy was attacked by a group of young people while riding a Chicago Transit Authority bus. His wallet and cell phone were stolen and he was kicked, stomped, and punched by the members of the group, several of whom fled when the bus stopped. The driver caught the attention of a nearby police officer, who boarded the bus. Respondent M.W. and Danielle were still on the bus. They were identified by the victim and another passenger as participants in the attack.\nThe State filed a petition for adjudication of wardship, charging M.W with robbery. The record shows that service on M.W.\u2019s mother was attempted, but was not successful. Both of her parents were present at the detention hearing. At that hearing, each parent was provided with a copy of the petition, pursuant to section 5 \u2014 525 of the Act (705 ILCS 405/5 \u2014 525 (West 2004)). The case was then continued to a later date. The father did not appear on the later date or at any of the subsequent proceedings.\nAfter several continuances, the matter was set for an adjudicatory hearing. M.W., her mother, and her attorney were present when the State sought and was given leave to amend the petition to add a count of aggravated battery. A hearing on the amended petition immediately followed. The State had not notified the minor\u2019s father of its intent to seek leave to amend the petition, nor did it ask for a continuance to do so after leave was granted. M.W, however, did not object to the lack of notice to her absent father.\nAt the hearing, the victim of the assault and the passenger who witnessed it both testified. M.W. called the officer who took her into custody and also testified on her own behalf. The circuit court found M.W delinquent on both of the alleged grounds and subsequently sentenced her to five years\u2019 probation with mandatory school attendance and 20 hours of community service.\nOn appeal, M.W. argued that the adjudication of delinquency was void for lack of subject matter jurisdiction because her father had not been served with written notice that the petition had been amended to add the additional charge, in violation of section 5 \u2014 530 of the Act (705 ILCS 405/5 \u2014 530 (West 2004)).\nThe appellate court agreed, relying on this court\u2019s decision in In re C.R.H., 163 Ill. 2d 263, 271 (1994) (State\u2019s failure to give formal written notice of delinquency proceedings to juvenile\u2019s custodial parent violated due process rights of both the juvenile and the parent and rendered the circuit court\u2019s orders void for lack of jurisdiction). No. 1 \u2014 05\u20143127 (unpublished order under Supreme Court Rule 23).\nANALYSIS\nThe issues presented in this appeal are: (1) whether the circuit court lacked subject matter jurisdiction to adjudicate the delinquency petition, (2) whether the circuit court lacked personal jurisdiction over the minor\u2019s father, and (3) whether it was error, requiring reversal of the judgment, for the circuit court to adjudicate the matter when the State failed to comply with the statutory requirement that the father be given notice of the amendment to the petition.\nBecause the circuit court did not rule on the jurisdictional questions and was not asked to rule on the notice issue, our review in this matter is de novo.\nIn a general sense, \u201cjurisdiction\u201d refers to the \u201cright or power to interpret and apply the law,\u201d or to a court\u2019s \u201csphere of authority or control.\u201d Webster\u2019s II New Collegiate Dictionary 601 (1999). In a technical, legal sense, however, jurisdiction is composed of two distinct elements: subject matter jurisdiction and personal jurisdiction. If a court lacks either subject matter jurisdiction over the matter or personal jurisdiction over the parties, any order entered in the matter is void ab initio and, thus, may be attacked at any time. People v. Davis, 156 Ill. 2d 149, 155 (1993). In contrast, an order entered in error by a court having jurisdiction is merely voidable and is, therefore, not subject to collateral attack. Davis, 156 Ill. 2d at 155-56.\nThis case requires us to review the fundamental difference between subject matter jurisdiction and personal jurisdiction. Subject matter jurisdiction refers to the court\u2019s power \u201cto hear and determine cases of the general class to which the proceeding in question belongs.\u201d Belleville Toyota, Inc. v. Toyota Motor Sales U.S.A., Inc., 199 Ill. 2d 325, 334 (2002). Personal jurisdiction is the court\u2019s power \u201cto bring a person into its adjudicative process.\u201d Black\u2019s Law Dictionary 870 (8th ed. 2004).\nWe answer these jurisdictional questions in the context of the relevant provisions of the Act.\n\u201c\u00a71 \u2014 5. Rights of parties to proceedings.\n(1) *** [T]he minor who is the subject of the proceeding and his parents *** have the right to be present, to be heard, to present evidence ***. ***\ni|i }\u2022\u00ab sji\n(3) Parties respondent are entitled to notice in compliance with Sections *** 5 \u2014 525 and 5 \u2014 530 ***.\u201d (Emphases added.) 705 ILCS 405/1 \u2014 5(1), (3) (West 2004).\n\u201c\u00a75 \u2014 525. Service.\n(1) Service by summons.\n(a) Upon the commencement of a delinquency prosecution, the clerk of the court shall issue a summons with a copy of the petition attached. The summons shall be directed to the minor\u2019s parent, guardian or legal custodian and to each person named as a respondent in the petition, except that summons need not be directed (i) to a minor respondent under 8 years of age for whom the court appoints a guardian ad litem if the guardian ad litem appears on behalf of the minor in any proceeding under this Act, or (ii) to a parent who does not reside with the minor, does not make regular child support payments to the minor, to the minor\u2019s other parent, or to the minor\u2019s legal guardian or custodian pursuant to a support order, and has not communicated with the minor on a regular basis.\n(3) Once jurisdiction has been established over a party, further service is not required and notice of any subsequent proceedings in that prosecution shall be made in accordance with provisions of Section 5 \u2014 530.\n(4) The appearance of the minor\u2019s parent, guardian or legal custodian, or a person named as a respondent in a petition, in any proceeding under this Act shall constitute a waiver of service and submission to the jurisdiction of the court. A copy of the petition shall be provided to the person at the time of his or her appearance.\u201d (Emphases added.) 705 ILCS 405/5 \u2014 525(1), (3), (4) (West 2004).\n\u201c\u00a75 \u2014 530. Notice.\n(1) A party presenting a supplemental or amended petition or motion to the court shall provide the other parties with a copy of any supplemental or amended petition, motion or accompanying affidavit not yet served upon that party, and shall file proof of that service, in accordance with subsections (2), (3), and (4) of this Section. Written notice of the date, time and place of the hearing, shall be provided to all parties in accordance with local court rules.\u201d (Emphases added.) 705 ILCS 405/5 \u2014 530 (West 2004).\nAs a threshold matter, we decline the State\u2019s invitation to engage in a discussion of the status of M.W.\u2019s parents \u2014 whether her father was or was not a \u201ccustodial parent,\u201d or whether her parents shared some sort of unofficial \u201cjoint custody.\u201d Section 5 \u2014 525(l)(a) unequivocally requires that a summons be directed to the minor\u2019s parents with only one exception. Summons need not be directed to \u201ca parent who does not reside with the minor, does not make regular child support payments to the minor, to the minor\u2019s other parent, or to the minor\u2019s legal guardian or custodian pursuant to a support order, and has not communicated with the minor on a regular basis.\u201d (Emphasis added.) 705 ILCS 405/5 \u2014 525(l)(a) (West 2004).\nM.W\u2019s parents were never married and the question of her legal custody has not been adjudicated. She lives with her mother. The record does not reveal whether her father contributes to her support or whether there is a support order in place. The testimony at the dispositional hearing, however, reveals that M.W. has a close relationship, including frequent visitation, with her father. The exception in section 5 \u2014 525(l)(a), therefore, does not apply to her father.\nSubject Matter Jurisdiction\nAt oral argument, counsel for the minor conceded that the circuit court had subject matter jurisdiction to adjudicate the matter before it. We must, however, address the appellate court\u2019s judgment on the merits because lack of subject matter jurisdiction is not subject to waiver and cannot be cured through the consent of the parties. People v. Flowers, 208 Ill. 2d 291, 303 (2003). In addition, \u201cthis court has an obligation to take notice of matters which go to the jurisdiction of the circuit court\u201d in each case before us. Belleville Toyota, 199 Ill. 2d at 334.\nIn reaching its decision, the appellate court relied on this court\u2019s decision in In re C.R.H., 163 Ill. 2d 263 (1994), which relied, in turn, on People v. R.S., 104 Ill. 2d 1 (1984), and People v. R.D.S., 94 Ill. 2d 77 (1983). A review of the history of these cases is in order.\nIn R.D.S., the Department of Children and Family Services (DCFS) had been named guardian of the minor-respondent in a previous proceeding. The agency placed the minor in the temporary custody of his mother while it sought an alternate placement. When the State filed a petition charging the minor with theft, and then filed subsequent petitions charging him with additional thefts, it named the minor and his parents as respondents, but did not name the guardian, DCFS. The minor and his mother were served with summons. Neither the father, whose address was not listed on the petitions, nor the guardian were served. R.D.S., 94 Ill. 2d at 79. This court framed the issue as whether \u201cthe jurisdiction of the circuit court [is] properly invoked when the State fails to name or notify a court-appointed guardian of a minor in a proceeding brought against the guardian\u2019s charge.\u201d R.D.S., 94 Ill. 2d at 78-79.\nRelying on the \u201cdue process requirements of juvenile proceedings as set out by the Supreme Court in In re Gault, [387 U.S. 1, 18 L. Ed. 2d 527, 87 S. Ct. 1428 (1967)],\u201d and the applicable provisions of the Act (Ill. Rev. Stat. 1979, ch. 37, pars. 704 \u2014 1 through 704 \u2014 4), this court concluded that the minor\u2019s presence in his mother\u2019s home and service upon the mother did not divest the guardian of legal custody and the resulting right to notice of the proceedings. R.D.S., 94 Ill. 2d at 81-82. Because the State failed to name and notify the guardian, this court held \u201cthe trial court\u2019s jurisdiction was not properly invoked\u201d and its \u201csubsequent orders were void.\u201d R.D.S., 94 Ill. 2d at 83.\nIn reaching this conclusion, this court did not distinguish between subject matter jurisdiction and personal jurisdiction. The statement that \u201cthe trial court\u2019s jurisdiction was not properly invoked\u201d suggests that this court was referring to subject matter jurisdiction. Yet the error in R.D.S. was the failure to give notice to the guardian of the child whose alleged delinquency was at issue. This could be read as a reference to the circuit court\u2019s lack of personal jurisdiction over a necessary party.\nForeshadowing the issue in the present case, Justice Goldenhersh specially concurred, agreeing with the majority that failure to serve the guardian was reversible error, but rejecting the conclusion that the trial court\u2019s orders were void for lack of jurisdiction. R.D.S., 94 Ill. 2d at 83 (Goldenhersh, J., specially concurring, joined by Underwood, J.). Justice Goldenhersh clearly understood the majority to be referring to subject matter jurisdiction. He pointed out that the cases relied on for this conclusion predated the adoption of the Illinois Constitution of 1970, which significantly broadened the grant of jurisdiction to the circuit court. R.D.S., 94 Ill. 2d at 85 (Goldenhersh, J., specially concurring, joined by Underwood, J.). Where previously \u201cspecial statutory jurisdiction\u201d required \u201cstrict conformity with the statute\u201d that created the cause of action (R.D.S., 94 Ill. 2d at 84 (Goldenhersh, J., specially concurring, joined by Underwood, J.), citing Brown v. VanKeuren, 340 Ill. 118 (1930)), the new constitution expanded the circuit court\u2019s jurisdiction to all justiciable matters, making no distinction between statutory and common law causes of action (R.D.S., 94 Ill. 2d at 85 (Goldenhersh, J., specially concurring, joined by Underwood, J.)).\nThis same difference of opinion was present in R.S., where the State properly named the minor-respondent\u2019s mother in the petition and Usted her address but did not serve her with notice. R.S., 104 Ill. 2d at 3. The parents were divorced. The minor had lived with his mother for a time but was living with his father when the proceedings commenced. The record did not reveal which parent had \u201clegal custody\u201d of the minor. He appeared in court with his father, his attorney, and his probation officer. R.S., 104 Ill. 2d at 3-4. Again citing Gault, this court concluded:\n\u201c[T]he legislature, through the notice provisions of the Juvenile Court Act, has already determined that the mother must be named and served with notice in order for the trial court to conduct an adjudicatory proceeding. Noncompliance with the notice provisions of the Act here allowed an adjudication of wardship without notice to a named parent, whose address was contained in the petition, and thus violated the right of parent and child to due process.\u201d R.S., 104 Ill. 2d at 6.\nAgain, this court did not use the term \u201csubject matter jurisdiction\u201d when it concluded that the State \u201cdid not properly invoke the trial court\u2019s jurisdiction,\u201d thus rendering the order of adjudication and all subsequent orders \u201cvoid.\u201d R.S., 104 Ill. 2d at 6.\nAnd, again, Justice Goldenhersh specially concurred, distinguishing between the error of failing to give statutorily required notice and the lack of subject matter jurisdiction to enter an order of adjudication. R.S., 104 Ill. 2d at 7 (Goldenhersh, J., specially concurring, joined by Underwood and Simon, JJ.). In light of the adoption of the Constitution of 1970, he described the concept that the due process violation of lack of notice divests the circuit court of subject matter jurisdiction as \u201can archaic vestige of an earlier body of law\u201d and suggested that it was \u201ctime that it be laid to rest.\u201d R.S., 104 Ill. 2d at 7 (Goldenhersh, J., specially concurring, joined by Underwood and Simon, JJ.).\nThis court\u2019s decision in C.R.H. followed the precedent established in R.D.S. and R.S. The State\u2019s supplemental petition listed the names of both of the minor\u2019s parents and his mother\u2019s address. His father\u2019s whereabouts were unknown. The mother was not served and no effort was made to give notice to the father by publication. C.R.H., 163 Ill. 2d at 267. This court framed the issue as \u201cwhether a minor\u2019s parents have a constitutional right of due process to receive adequate notice of a juvenile proceeding.\u201d C.R.H., 163 Ill. 2d at 268. Finding no basis for excusing notice to the minor\u2019s custodial parent, this court concluded that the circuit court\u2019s orders adjudicating C.R.H. a delinquent and sentencing him to the Department of Corrections was \u201cvoid for lack of jurisdiction.\u201d C.R.H., 163 Ill. 2d at 271-72.\nThe appellate court in the present case expressly agreed with the minor\u2019s assertion that the lack of compliance with the statutory notice requirement \u201crendered the delinquency proceedings void for lack of subject matter jurisdiction.\u201d In reaching this conclusion, the appellate court cited both C.R.H. and R.S. as authority.\nHowever, in a more recent decision, this court signaled an emerging recognition that the question of subject matter jurisdiction under the Juvenile Court Act should be resolved in the manner suggested by Justice Goldenhersh \u2014 by asking whether there was a justiciable matter before the court.\nIn In re A.H., 195 Ill. 2d 408 (2001), we considered whether the circuit court had jurisdiction to remove a minor that it had previously determined to be abused, neglected, or dependent from the temporary foster home. D.C.F.S., which had made the foster placement, objected to the proceeding on the basis that the circuit court lacked jurisdiction to act. A.H., 195 Ill. 2d at 411-12. We first addressed \u201cthe source of the juvenile court\u2019s subject matter jurisdiction over children found abused, neglected, or dependent,\u201d which we found was conferred by the legislature via the Juvenile Court Act. A.H., 195 Ill. 2d at 415-16. We noted that the legislature \u201cmay create a justiciable matter by creating rights or duties that have no counterpart in common law or equity,\u201d but that once such a matter is created, the circuit courts enjoy \u201c \u2018original jurisdiction of all justiciable matters.\u2019 \u201d A.H., 195 Ill. 2d at 415, quoting Ill. Const. 1970, art. VI, \u00a79. We further acknowledged that when the legislature creates a justiciable matter, the court has only that authority conferred upon it by the statute and that the court acts in excess of its authority by taking any action that exceeds its statutory authority. A.H., 195 Ill. 2d at 416.\nFor example, in In re Jaime P., 223 Ill. 2d 526 (2006), the juvenile court\u2019s subject matter jurisdiction was properly invoked when the State filed a petition to adjudicate 17-year-old Jaime B delinquent based on her admission of guilt to the offense of aggravated arson. The court sentenced her to five years\u2019 probation. Jaime P., 223 Ill. 2d at 528. Absent a designation of the case as an \u201cextended jurisdiction juvenile prosecution\u201d under section 5 \u2014 810 of the Act (705 ILCS 405/5 \u2014 810 (West 1998)), and providing the juvenile with the resulting procedural safeguards thereby guaranteed, the juvenile court\u2019s jurisdiction terminates upon the juvenile\u2019s reaching the age of 21. Jaime P., 223 Ill. 2d at 538. The court, therefore, exceeded its statutory authority by denying Jaime P\u2019s petition to terminate probation when she reached her twenty-first birthday. In this case, the circuit court\u2019s authority was limited by the legislature\u2019s definition of the justiciable matter it created and \u201cthe juvenile court simply possessed no jurisdiction under the Act to continue respondent\u2019s probation beyond the end of the court\u2019s jurisdiction.\u201d Jaime P., 223 Ill. 2d at 540.\nHowever, not every error made by the. trial court or every failure to strictly comply with the provisions of the statute creating the justiciable matter is an act in excess of statutory authority that renders the court\u2019s judgment void. Thus, we held in A.H. that the error of failing to comply with the statutory requirement that the foster parent be given notice \u201cat all stages of any hearing or proceeding under this Act\u201d (705 ILCS 405/1 \u2014 5(2)(a) (West 1998)) was harmless error that \u201cdid not rise to the level of a due process violation.\u201d A.H., 195 Ill. 2d at 424. The circuit court\u2019s subject matter jurisdiction was invoked when the State filed the petition for adjudication of wardship pursuant to section 2 \u2014 13 of the Act (705 ILCS 405/2 \u2014 13 (West 1998)) and was unaffected by the act of conducting the hearing absent statutorily required notice to the foster parent. Once the court has subject matter jurisdiction over such a matter, the \u201cjurisdiction of the juvenile court over the minor is not limited to the entry of the temporary custody order.\u201d Rather, \u201cthe juvenile court retains jurisdiction over the temporary custody, both physical and legal, of the minor and that jurisdiction extends to the minor\u2019s temporary foster placement.\u201d A.H., 195 Ill. 2d at 419. See also In re Estate of Steinfeld, 158 Ill. 2d 1 (1994) (where probate court had subject matter jurisdiction and personal jurisdiction over the parties, guardianship order was not void for failure of probate court to follow certain statutory requirements).\nOur discussion in A.H. reveals our recognition that the question of subject matter jurisdiction is a matter of the justiciability of the class of cases to which the instant case belongs. Error or irregularity in the proceeding, while it may require reversal of the court\u2019s judgment on appeal, does not oust subject matter jurisdiction once it is acquired. See Davis, 156 Ill. 2d at 157 (a court does not lose jurisdiction because it makes a mistake of law or fact or both).\nOur subsequent decision in Belleville Toyota provides all of the authority needed to resolve the question of subject matter jurisdiction. In that case, the issue was whether a plaintiff bringing a claim under the Motor Vehicle Franchise Act must, as a prerequisite to invoking the circuit court\u2019s subject matter jurisdiction, demonstrate that the claim is not barred by the limitations period contained in the statute. Belleville Toyota, 199 Ill. 2d at 333. In effect, the defendant argued that because the plaintiffs cause of action was purely statutory, the court\u2019s jurisdiction was limited by the limitations provision of the statute and that any variance from that provision did not result in mere error, but divested the court of jurisdiction.\nRegarding subject matter jurisdiction, we stated that \u201c[w]ith the exception of the circuit court\u2019s power to review administrative action, which is conferred by statute, a circuit court\u2019s subject matter jurisdiction is conferred entirely by our state constitution.\u201d Belleville Toyota, 199 Ill. 2d at 334, citing Ill. Const. 1970, art. VI, \u00a79 (\u201cCircuit Courts shall have original jurisdiction of all justiciable matters except when the Supreme Court has original and exclusive jurisdiction relating to redistricting of the General Assembly and to the ability of the Governor to serve or resume office. Circuit Courts shall have such power to review administrative action as provided by law\u201d). Thus, subject matter jurisdiction exists as a matter of law if the matter brought before the court by the plaintiff or petitioner is \u201cjusticiable.\u201d\nGenerally, a \u201cjusticiable matter\u201d is \u201ca controversy appropriate for review by the court, in that it is definite and concrete, as opposed to hypothetical or moot, touching upon the legal relations of parties having adverse legal interests.\u201d Belleville Toyota, 199 Ill. 2d at 335. A matter that would not have been justiciable at common law can become a justiciable matter by act of the legislature. Thus, this court concluded that the legislature\u2019s adoption of the Motor Vehicle Franchise Act in 1979 \u201ccreated a new justiciable matter.\u201d Belleville Toyota, 199 Ill. 2d at 335.\nEchoing Justice Goldenhersh\u2019s special concurrences in R.D.S. and R.S., we noted that \u201csome case law, however, suggests that the legislature, in creating a justiciable matter, may impose certain unwaivable conditions precedent that must be met before the circuit court may exercise subject matter jurisdiction.\u201d We rejected this premise as \u201ccontrary to article VI\u201d of the Illinois Constitution. Belleville Toyota, 199 Ill. 2d at 335-36. Examining the 1964 amendments to the judicial article of the 1870 constitution and the subsequent adoption of the Constitution of 1970, we concluded that \u201cthe legislature\u2019s power to define the circuit court\u2019s jurisdiction\u201d has been \u201cexpressly limited to the area of administrative review.\u201d Belleville Toyota, 199 Ill. 2d at 337. \u201cIn light of these changes, the precedential value of case law which examines a court\u2019s jurisdiction under the pre-1964 judicial system is necessarily limited to the constitutional context in which those cases arose.\u201d Belleville Toyota, 199 Ill. 2d at 337.\n\u201cNevertheless,\u201d we noted, \u201cpre-1964 rules of law continue to be cited by Illinois courts, without qualification, creating confusion and imprecision in the case law.\u201d Belleville Toyota, 199 Ill. 2d at 338. R.D.S., R.S., and C.R.H. are just such cases.\nIn Belleville Toyota, the four-year statute of limitations contained in the statute that created the justiciable matter was not \u201cmore than an ordinary statute of limitations\u201d that created a prerequisite to the circuit court\u2019s exercise of jurisdiction. Belleville Toyota, 199 Ill. 2d at 338. It was, instead, an affirmative defense that the defendant might plead as a bar to liability. See Belleville Toyota, 199 Ill. 2d at 344-45. See also 735 ILCS 5/2\u2014 619(a)(5) (West 2006) (allowing a defendant to file a motion for involuntary dismissal on grounds that \u201cthe action was not commenced within the time limited by law\u201d). The circuit court, therefore, had subject matter jurisdiction \u201cto hear and determine plaintiff\u2019s claim because it was among the general class of cases \u2014 those presenting a claim under the Act, a justiciable matter \u2014 to which the court\u2019s constitutionally granted original jurisdiction extends.\u201d Belleville Toyota, 199 Ill. 2d at 340.\nIn the present case, the appellate court incorrectly concluded that compliance with the notice requirements of the Act was an unwaivable condition precedent to the circuit court\u2019s exercise of subject matter jurisdiction over the justiciable matter before it. The appellate court relied on C.R.H., a case that was decided seven years prior to A.H. and eight years prior to Belleville Toyota and that was implicitly overruled by those decisions. To the extent that C.R.H., 163 Ill. 2d 263, R.S., 104 Ill. 2d 1, and R.D.S., 94 Ill. 2d 77, conflict with the rule enunciated in Belle-ville Toyota, they are hereby expressly overruled.\nPersonal Jurisdiction\nUnlike subject matter jurisdiction, which is invoked by the filing of a petition or complaint alleging the existence of a justiciable matter, personal jurisdiction is \u201cderived from the actions of the person sought to be bound.\u201d Meldoc Properties v. Prezell, 158 Ill. App. 3d 212, 216 (1987).\nThus, a petitioner or plaintiff submits to the jurisdiction of the court by filing a petition or complaint, \u201cthereby seeking to be bound to the court\u2019s resolution\u201d thereof. Owens v. Snyder, 349 Ill. App. 3d 35, 40 (2004). A respondent or defendant may consent to personal jurisdiction by his appearance, or he may have personal jurisdiction imposed upon him by effective service of summons. Meldoc Properties, 158 Ill. App. 3d at 216.\nOnce the circuit court acquires personal jurisdiction over a party, it has the power to impose personal obligations on him (Meldoc Properties, 158 Ill. App. 3d at 216) and that jurisdiction continues until all issues of fact and law in the case are determined (Whitley v. Lutheran Hospital, 73 Ill. App. 3d 763, 766 (1979)). Lack of personal jurisdiction, therefore, does not deprive the court of jurisdiction over the subject matter of the dispute; it merely deprives the court of the ability to impose judgment on parties over whom it lacks personal jurisdiction.\nRecognizing that the circuit court did indeed have subject matter jurisdiction over the justiciable matter brought before it by the State\u2019s petition, M.W concentrates her argument to this court on the question of the circuit court\u2019s personal jurisdiction over her father. However, a party may \u201cobject to personal jurisdiction or improper service of process only on behalf of himself or herself, since the objection may be waived.\u201d Fanslow v. Northern Trust Co., 299 Ill. App. 3d 21, 29 (1998) (applying Pennsylvania law). Although we have found no Illinois cases expressly stating this principle, M.W. has not cited any authority that would support her standing to object to the circuit court\u2019s exercise of personal jurisdiction over her father. Her due process arguments, discussed below, do not implicate personal jurisdiction. We, nevertheless, address the question of personal jurisdiction, which is a matter of statutory interpretation, the answer to which is readily ascertained from the plain language of sections 5 \u2014 525 and 5 \u2014 530 of the Act.\nWith the sole exception mentioned above, the parent of a minor who is the subject of a proceeding under the Act is \u201centitled to notice\u201d in compliance with sections 5 \u2014 525 and 5 \u2014 530 of the Act. 705 ILCS 405/1 \u2014 5(3) (West 2004). The clerk of the court \u201cshall\u201d issue a summons directed to the minor\u2019s parent with a copy of the petition attached \u201c[u]pon the commencement of a delinquency prosecution.\u201d 705 ILCS 405/5 \u2014 525 (West 2004).\nSummons may be served upon the minor\u2019s parents personally, by certified mail, or by publication. 705 ILCS 405/5 \u2014 525(2) (West 2004). However, even absent formal service, the \u201cappearance of the minor\u2019s parent *** shall constitute a waiver of service and submission to the jurisdiction of the court.\u201d 705 ILCS 405/5 \u2014 525(4) (West 2004). At that time, a \u201ccopy of the petition shall be provided to the person.\u201d 705 ILCS 405/5 \u2014 525(4) (West 2004).\nThus, when M.W\u2019s parents appeared at the detention hearing and were given copies of the petition, personal jurisdiction over them was established.\nThe Act anticipates that the State may find it necessary to seek leave to supplement or amend a petition. Section 5 \u2014 530 provides that \u201c[a] party presenting a supplemental or amended petition *** shall provide the other parties with a copy *** and shall file proof of that service.\u201d 705 ILCS 405/5 \u2014 530(1) (West 2004).\nAlthough the general rule is that personal jurisdiction, once established, continues until all matters in the case are resolved, the minor argues that the circuit court\u2019s personal jurisdiction over her father was extinguished when the State failed to comply with the notice requirement of section 5 \u2014 530 after amending the petition.\nReading sections 5 \u2014 525 and 5 \u2014 530 together, however, it is clear that this failure did not divest the circuit court of personal jurisdiction over her father. Section 5 \u2014 525(3) states that \u201c[o]nce jurisdiction has been established over a party, further service is not required.\u201d Service of summons is one means of establishing personal jurisdiction over a party. Meldoc Properties, 158 Ill. App. 3d at 216. Once personal jurisdiction is thus established, \u201cfurther service\u201d would be redundant. Personal jurisdiction can also be established by the party\u2019s appearance \u201cin any proceeding under this Act,\u201d which functions as a waiver of formal service, so long as a copy of the petition is provided to the person in lieu of formal service. 705 ILCS 405/5 \u2014 525(4) (West 2004).\nThus, in a proceeding under the Juvenile Court Act, once personal jurisdiction over a parent is obtained, that jurisdiction continues until the matter is resolved. Although the parent is entitled to \u201cnotice of any subsequent proceedings\u201d (emphasis added) and of any supplement to or amendment of the petition in accordance with section 5 \u2014 530, further service is not required. Failure to give such notice does not affect the personal jurisdiction already established. Rather, that failure is an error that, if timely raised, may require a remedy.\nWe conclude, therefore, that the circuit court acquired personal jurisdiction over M.W.\u2019s father when he appeared at the detention hearing and was given a copy of the State\u2019s original petition.\nFailure to Give Notice to the Minor\u2019s Father\nM.W.\u2019s final argument is that even if the circuit court had subject matter jurisdiction over the matter and personal jurisdiction over all parties, the State\u2019s failure to give notice to her father of the amended petition violated her due process rights and the due process rights of her father. She relies on In re Gault, 387 U.S. 1, 33-34, 18 L. Ed. 2d 527, 549-50, 87 S. Ct. 1428, 1446-67 (1967) (\u201cDue process of law requires notice of the sort we have described \u2014 that is, notice which would be deemed constitutionally adequate in a civil or criminal proceeding. It does not allow a hearing to be held in which a youth\u2019s freedom and his parents\u2019 right to his custody are at stake without giving them timely notice, in advance of the hearing, of the specific issues that they must meet\u201d), and C.R.H., 163 Ill. 2d at 271 (due process rights of both the minor-respondent and his mother were violated by failure to give proper notice to the mother).\nThe appellate court agreed, finding that the State\u2019s failure to comply with the statutory notice requirements violated both the parent\u2019s and the child\u2019s due process rights.\nWe note that the father has not claimed error. He has not argued that lack of notice of the amended petition prejudiced his parental rights in any way. We, therefore, reject the minor\u2019s argument that reversal is required because her father\u2019s due process rights were violated when the circuit court proceeded to hearing on the amended petition despite lack of notice to him. His situation is the same as that of any litigant over whom personal jurisdiction has been established and who fails to appear thereafter.\nAt oral argument, M.W. elaborated upon her claim that her own due process rights were violated by the State\u2019s failure to give notice to her father of the additional charge against her. She suggested that he might have been motivated to attend the later proceedings if he had been aware of the seriousness of the charges against her and that she might have benefitted from his advice and counsel. She did not, however, raise this issue before the circuit court.\nIn a criminal case, a defendant forfeits review of a claimed error if she does not object at trial and does not raise the issue in a posttrial motion. People v. Piatkowski, 225 Ill. 2d 551, 564 (2007). \u201cThis principle encourages a defendant to raise issues before the trial court, thereby allowing the court to correct its errors *** and consequently precluding a defendant from obtaining a reversal through inaction.\u201d Piatkowski, 225 Ill. 2d at 564. This same forfeiture principle applies in proceedings under the Juvenile Court Act (In re J.P.J., 109 Ill. 2d 129, 137 (1985)), although no postadjudication motion is required in such cases (In re W.C., 167 Ill. 2d 307, 327 (1995)).\nIt should have been evident to all present when the State presented the amended petition, the court granted leave to amend, and the matter proceeded to hearing that notice of the amendment was not given to M.W.\u2019s father. By failing to object, M.W has forfeited consideration of this error on appeal unless she can demonstrate plain error.\nUnder Supreme Court Rule 615(a), \u201c[a]ny error, defect, irregularity, or variance which does not affect substantial rights shall be disregarded. Plain errors or defects affecting substantial rights may be noticed although they were not brought to the attention of the trial court.\u201d 134 Ill. 2d R. 615(a). This rule also applies in proceedings under the Juvenile Court Act. See, e.g., In re Ricardo A., 356 Ill. App. 3d 980, 994 (2005) (applying plain-error rule when minor respondent did not raise issue of lack of notice to his noncustodial father in the trial court).\nWe established in Piatkowski that the first step in plain-error review is to determine whether an error occurred. In addition, an unpreserved error will not be \u201cnoticed\u201d under Rule 615(a) unless it is \u201cclear or obvious.\u201d Piatkowski, 225 Ill. 2d at 565 n.2, citing United States v. Olano, 507 U.S. 725, 734, 123 L. Ed. 2d 508, 519, 113 S. Ct. 1770, 1777 (1993) (the term \u201cplain\u201d as used in the plain-error rule is synonymous with \u201cclear\u201d or \u201cobvious\u201d; error is not plain if the law was \u201cunclear at the time of trial but becomes clear on appeal because the applicable law has been clarified\u201d).\nIf such an error is found, a reviewing court will grant relief in either of two circumstances: (1) if \u201cthe evidence is so closely balanced that the error alone threatened to tip the scales of justice against the defendant,\u201d or (2) if the error is \u201cso serious that it affected the fairness of the defendant\u2019s trial and challenged the integrity of the judicial process, regardless of the closeness of the evidence.\u201d Piatkowski, 225 Ill. 2d at 565.\nThe defendant has the burden of persuasion on both the threshold question of plain error and the question whether she is entitled to relief as a result of the unpreserved error. Piatkowski, 225 Ill. 2d at 565, quoting People v. Herron, 215 Ill. 2d 167, 186-87 (2005).\nIn the present case, the State\u2019s failure to give notice of the amendment to the father was error. A party\u2019s appearance in a proceeding under the Act constitutes consent to personal jurisdiction and waiver of formal service of \u201cthe petition\u201d that is pending at that time. 705 ILCS 405/5 \u2014 525(4) (West 2004). It does not constitute waiver of notice of supplemental or amended petitions under section 5 \u2014 530. Indeed, section 5 \u2014 525(3) specifically provides for subsequent notice under section 5 \u2014 530 to parties over whom \u201cjurisdiction has been established.\u201d 705 ILCS 405/5 \u2014 525(3) (West 2004). Based on the plain language of the applicable sections of the Act, we conclude that the error was also clear and obvious. The question for this court is what remedy, if any, is required.\nHaving demonstrated a clear and obvious error, M.W is entitled to a new hearing if the evidence against her was closely balanced.\nThe victim testified that on the night he was attacked, he boarded the bus with some friends and they sat near the back. His friends later left the bus so he was sitting alone when M.W and \u201cfour or five\u201d other persons boarded. They also sat near the back of the bus. He did not know M.W or any of the people with her. One of the girls in the group asked to borrow his cell phone to make a call. He gave her the phone to use, but she did not return it. Another girl asked him for a dollar. He stood up and took out his wallet to give it to her. One of the boys then \u201cjumped up\u201d and tried to grab the wallet out of his hands. M.W. was still seated when the two boys began struggling over the wallet. The victim testified that the boy pushed him \u201con the ground and the next thing, you know, all these kids had started stomping me and punching me.\u201d When asked if he saw anyone in court that day who was involved in the punching and kicking, he pointed to M.W\nOn cross-examination, counsel demonstrated that the victim was confused about whether his friends left the bus before or after M.W and the others boarded. He admitted that he could not recall what the boy who took his wallet was wearing. When asked if he covered his head when the group \u201crushed at\u201d him, he said that he had and he demonstrated his position by putting his hands over his head, tucking his chin to his shoulder, and pulling his head down toward his chest and away from the direction of the blows.\nThe passenger witness was not one of the several young people on the bus. She was an adult, who sat directly behind the driver. She testified that she observed M.W. and the others board the bus as a group and take seats near the back. She also testified that she saw M.W. among the group that was punching and kicking the victim after he was pushed to the floor of the bus. She saw the victim \u201ctrying to hide his face\u201d and holding on to a chain that the attackers were trying to \u201csnatch *** off his neck.\u201d\nOn cross-examination, the passenger explained that she was \u201calways concerned for her safety\u201d when riding the bus late at night because there had been a \u201cprior incident\u201d on the bus. For this reason, she was \u201clooking around\u201d and paying attention to what was happening. She notified the driver that something was going on, but by that time the driver had already stopped the bus. Police officers then boarded the bus and she gave a statement.\nM.W called the arresting officer as a witness in her defense. He testified that he was driving his squad car when he saw \u201ca boy and a couple of girls\u201d run off a bus. The driver of the bus got his attention and signaled to him to board. He and his partner boarded the bus. They spoke to the driver, the adult passenger, the victim, M.W, and the other young people still on the bus. The victim did not initially identify his attackers, except to say that there were \u201cseveral\u201d of them.\nOn cross-examination, the officer acknowledged that his written report states that the victim said he was attacked by five persons who struck him in the face and body with their hands and feet. The report identified the attackers as offenders one through five, with M.W listed as \u201coffender number three.\u201d\nOn redirect, he stated that when he placed M.W. under arrest, she did not have any of the victim\u2019s property in her possession.\nM.W testified on her own behalf that she got on the bus at the same time as Danielle, whom she knew, but who was not a friend, and four other persons whom she did not know. She sat near the back of the bus. Danielle approached the victim and complimented him on his chain. One of the boys asked the victim his name. Danielle then picked up the chain that was around the victim\u2019s neck and asked him if he had any money. M.W. said that she saw the victim pull a dollar out of his wallet and give it to Danielle. Another girl approached him and asked to use his cell phone. She did not know this girl but had seen her at the skating rink. The boy then hit the victim and \u201cit started a big incident.\u201d The boy took the victim\u2019s wallet and cell phone and, while they were fighting, Danielle tried to take his chain. She saw three persons fighting with the victim \u2014 the boy, Danielle, and the girl who had asked to use the cell phone. Then \u201cthey pulled the red bar and got off the bus.\u201d She saw three dollar bills on the floor of the bus, picked them up, and attempted to return them to the victim. He threw it back on the floor. At that point the pohce boarded the bus. She denied ever hitting or kicking the victim, encouraging anyone to hit him, or taking anything from him.\nOn cross-examination, M.W. again stated that she was riding the bus by herself and that she had merely boarded at the same time as the other youths. She acknowledged that when the police boarded, she and Danielle were still on the bus.\nIn Piatkowski, as in the present case, the \u201conly evidence linking defendant to the crime was the testimony of the two eyewitnesses.\u201d Piatkowski, 225 Ill. 2d at 567. We concluded that the defendant in that case was entitled to a new trial based on our application of the factors identified by the United States Supreme Court in Neil v. Biggers, 409 U.S. 188, 199-200, 34 L. Ed. 2d 401, 411, 93 S. Ct. 375, 382 (1972), for assessing the reliability of identification testimony. These factors include: (1) the opportunity of the witness to view the criminal at the time of the crime, (2) the witness\u2019s degree of attention, (3) the accuracy of the witness\u2019s prior description of the criminal, (4) the level of certainty demonstrated by the witness at the confrontation, and (5) the length of time between the crime and the confrontation. Although the issue arises in a different context in the present case, these factors provide a useful framework for assessing whether the evidence was closely balanced.\nThe passenger witness viewed the crime in its entirety and testified that she was paying close attention because she was concerned for her own safety. M.W was on the bus when the officer boarded and the witness identified her as one of the attackers while all were still present at the crime scene. Thus, there was no measurable delay between the witness\u2019s observing the crime being committed and her pointing out M.W to the officer. Even if we were to conclude that the victim, due to fear or the stress of the situation, may not have been able to identify each of his assailants with absolute certainty, the testimony of the passenger alone is sufficient to weigh the Neil factors in favor of the State. As we have noted in the past, a \u201cpositive identification by a single eyewitness who had ample opportunity to observe is sufficient to support a conviction.\u201d Piatkowski, 225 Ill. 2d at 566, citing People v. Vriner, 74 Ill. 2d 329, 343 (1978).\nWe conclude that the evidence that M.W participated in the aggravated battery of the victim was not so closely balanced that she is entitled to a new hearing on that charge on the basis of plain error.\nWe must also determine whether the evidence of M.W\u2019s accountability for the robberies committed by the other youths is closely balanced. She argues that the State\u2019s evidence demonstrates that the victim voluntarily gave his cell phone to one of the girls and that an \u201cunknown boy\u201d forcibly took the victim\u2019s wallet. She denies taking part in the battery and argues that, at worst, she aided the escape of an unknown assailant after he robbed the victim. Therefore, she argues, she cannot be held accountable for the actions of the others because she did nothing to aid or abet those who committed the robbery either \u201cbefore or during\u201d the crime.\n\u201cA person is legally accountable for the conduct of another when:\n* * *\n(c) Either before or during the commission of an offense, and with the intent to promote or facilitate such commission, he solicits, aids, abets, agrees or attempts to aid, such other person in the planning or commission of the offense.\u201d 720 ILCS 5/5 \u2014 2 (West 2004).\nThe State responds that the intent to promote or facilitate the commission of a crime may be shown by evidence that the defendant either shared the criminal intent of the principal or that they shared a common criminal design. People v. Williams, 193 Ill. 2d 306, 338 (2000). The State further notes that such intent may be inferred from the circumstances of the crime, citing In re W.C., where this court said:\n\u201cTo prove that the defendant possessed the intent to promote or facilitate the crime, the State may present evidence which establishes beyond a reasonable doubt that the defendant either shared the criminal intent of the principal or that there was a common criminal design. [Citation.] The common-design rule provides that where two or more persons engage in a common criminal design or agreement, any acts in the furtherance of that common design committed by one party are considered to be the acts of all parties to the design or agreement and all are equally responsible for the consequences of the further acts. [Citation.]\nProof of the common purpose or design need not be supported by words of agreement, but may be drawn from the circumstances surrounding the commission of an act by a group. Furthermore, the fact that the criminal acts were not committed pursuant to a preconceived plan is not a defense if the evidence indicates involvement on the part of the accused in the spontaneous acts of the group. [Citation.] Evidence that a defendant voluntarily attached himself to a group bent on illegal acts with knowledge of its design supports an inference that he shared the common purpose and will sustain his conviction for an offense committed by another. *** However, mere presence at the scene, even with knowledge that the crime is being committed, is insufficient to establish accountability for the actions of another.\u201d In re W.C., 167 Ill. 2d at 337-38.\nIn the present case, the evidence shows that M.W. joined the attack on the victim while the crime of robbery was still ongoing. The victim was struggling to hold on to or to recover his wallet while he was being kicked and stomped by as many as five assailants. Both the passenger witness and M.W. stated that while the battery was taking place, Danielle was trying to \u201csnatch\u201d the chain from the victim\u2019s neck. The evidence, therefore, shows that even if the acts of the group were spontaneous, M.W. participated in those acts and demonstrated her intent to facilitate the robbery. The circuit court found M.W accountable for the robbery on the basis of a common plan or design.\nNevertheless, M.W. argues that the circuit court \u201cbased its credibility determinations on flawed reasoning and failed to recall inconsistencies\u201d in the victim\u2019s testimony. A careful review of the transcript reveals confusion about the sequence of events. Did the victim\u2019s companions leave the bus before or after M.W. and the others boarded? Did the victim lend his cell phone before or after he was asked for money? Such minor discrepancies in the evidence, whether between two witnesses or within the testimony of one witness, are not unusual. Indeed, a review of the transcript reveals that much of the confusion about the sequence of events is a result of the manner in which the questions were asked by the two attorneys.\nM.W objects most strenuously to the circuit court\u2019s conclusion that it was \u201cinherently improbable\u201d that she boarded the bus with Danielle and several other young people but was not part of their group. However, her subsequent conduct of participating in the attack on the victim does support a finding that she was part of the group, or at least that she chose to be a part of the group at that moment.\nThe circuit court\u2019s finding that M.W was accountable for the robbery required an assessment of the credibility of the witnesses and an inference of her mental state based on her actions. This may render the balance of evidence on the robbery charge a slightly closer call than the balance of evidence on the aggravated battery charge. Nevertheless, the evidence of M.W\u2019s accountability for the robbery was not so closely balanced as to require reversal on the basis of plain error.\nIn reaching this conclusion, we note that the type of error that occurred here \u2014 lack of notice of an amended petition to one of the minor\u2019s parents \u2014 did not affect the evidence presented at the hearing or the manner in which a jury was instructed to evaluate that evidence. In Piatkowski, in contrast, the error consisted of an incorrect jury instruction on evaluating eyewitness testimony. The evidence was closely balanced in that case because that particular \u201c \u2018error alone severely threatened to tip the scales of justice.\u2019 \u201d (Emphasis added.) Piatkowski, 225 Ill. 2d at 565, quoting Herron, 215 Ill. 2d at 187. In the present case, however, the error did not affect the balance of the evidence.\nAlthough M.W. cannot obtain a new hearing on the basis that the evidence was closely balanced, she can nevertheless prevail under the plain-error rule if the error was \u201cso serious that it affected the fairness of the defendant\u2019s trial and challenged the integrity of the judicial process, regardless of the closeness of the evidence.\u201d Piatkowski, 225 Ill. 2d at 565. She has not framed her argument in these terms, but she has argued that the failure to give notice to her father of the amended petition was a serious error that may have affected the outcome of the proceedings.\nM.W argues that if her father had known of the addition of the aggravated battery charge, he might have attended the adjudicatory hearing and that she might have benefitted from his advice and his presence. At oral argument, counsel for M.W suggested that her father, if he had been present, might have encouraged her to take responsibility for the lesser offense of aggravated battery while denying responsibility for the greater offense of robbery, leading to a lesser sentence.\nHowever, she does not suggest how the fairness of the proceeding was undermined by his absence. Her mother was present at the hearing and she was represented by counsel. Either of these advisors could have counseled her in the manner suggested by appellate counsel. The one significant decision that she seems to have made, presumably with the advice of these adults, is to testify to her own version of the events on the bus. Even if her father had been present and had persuaded her not to testify, the outcome would not have been different, because there would have been no rebuttal whatsoever to the testimony of the State\u2019s witnesses.\nWe fail to see how the error of failing to give notice of the amended petition to her father, when he had been given notice at the commencement of the proceedings pursuant to section 5 \u2014 525(4) of the Act and when he had actual notice of the more serious of the two charges, affected the fairness of M.W\u2019s adjudication or undermined the integrity of the process. Indeed, if a failure of parental notice affects the fairness of the proceeding so seriously that it fundamentally undermines the integrity of proceedings under the Act, this court could not have affirmed the adjudications of delinquency in where we concluded that in each of the three consolidated cases:\n\u201c[T]here was no showing of a lack of diligence by the State in failing to locate the noncustodial parent at the commencement of proceedings. Each minor and his mother had notice of the proceedings, and they appeared and had the assistance of counsel; in none of the cases was an order entered against the minor\u2019s father. At no time, in any of the cases, did counsel, the minor, or his mother question the State\u2019s diligence in ascertaining the whereabouts of the father, though the failure to provide notice to him was evident. Yet counsel, the minor, and his mother are the persons most likely to know the necessary information, and that is especially true when the relationship between the minor and the noncustodial parent is significant or substantial. Accordingly, the State\u2019s diligence in identifying or locating a parent whose identity or address was not known to the State at the commencement of the proceedings may not be attacked on appeal if the question was not also raised in the circuit court, where a record on the matter could have been made in the first instance. To hold otherwise would permit the minor to keep the issue in reserve and, if an appeal proves necessary, to raise it then, when the record is barren.\u201d 109 Ill. 2d at 139-40.\nWe conclude, therefore, that M.W. is not entitled to a new adjudicatory hearing on the basis of plain error.\nThe Minor\u2019s Alternative Argument\nM.W. argued before the appellate court that the evidence was insufficient to find her guilty of robbery. She renews this argument before this court, noting that of the two crimes charged the robbery carries the longer sentence and that if the adjudication on this basis were reversed she would be entitled to a new sentencing hearing.\nWe concluded, above, that the evidence of M.W.\u2019s participation in the aggravated battery of the victim and her accountability for the robbery was not closely balanced.\n\u201cWhether the evidence is closely balanced is, of course, a separate question from whether the evidence is sufficient to sustain a conviction on review against a reasonable doubt challenge. The relevant inquiry for reasonable doubt purposes is whether, after viewing the evidence in the light most favorable to the prosecution, any rational trier of fact could have found the essential elements of the crime beyond a reasonable doubt.\u201d Piatkowski, 225 Ill. 2d at 566, citing People v. Pollock, 202 Ill. 2d 189, 217 (2002). The \u201cclosely balanced\u201d standard errs on the side of fairness and grants a new trial even if the evidence was otherwise sufficient to sustain a conviction. Herron, 215 Ill. 2d at 193.\nTherefore, because we concluded above that the evidence supporting the robbery charge is not closely balanced, it is, by definition, sufficient to sustain a conviction. The circuit court\u2019s order adjudicating M.W delinquent on the basis that she committed the crime of robbery must be affirmed.\nCONCLUSION\nThe order entered by the circuit court was not void for lack of subject matter jurisdiction or personal jurisdiction over the minor\u2019s father. The State\u2019s failure to comply with the statutory requirement of notice to the minor\u2019s father upon amendment of the petition does not constitute plain error. We, therefore, reverse the judgment of the appellate court and affirm the judgment of the circuit court.\nAppellate court judgment reversed;\ncircuit court judgment affirmed.\nThis court also considered whether section 1 \u2014 15(b) of the Act (Ill. Rev. Stat. 1991, ch. 37, par. 801 \u2014 15(b), now 705 ILCS 405/1 \u2014 15(b) (West 1994)) was unconstitutional. Section 1 \u2014 15(b) provides that a \u201cparty respondent\u201d who has been properly served or who has appeared personally \u201cand who wishes to object to the court\u2019s jurisdiction on the ground that some necessary party either has not been served or has not been properly served must raise that claim before the start of the adjudicatory hearing.\u201d We stated that \u201c[i]n essence, section 1 \u2014 15(b) mandates that a constitutionally protected right, notice to parents, is automatically waived when a minor fails to claim that notice to his or her parents was inadequate.\u201d C.R.H., 163 Ill. 2d at 272. We held that \u201csection 1 \u2014 15(b) improperly infringes on a constitutional right without applying any of the safeguards required for a valid waiver of a constitutional right.\u201d C.R.H., 163 Ill. 2d at 273. This provision is not at issue in the present case, but, as is demonstrated below, a minor\u2019s forfeiture of an objection to the adequacy of service or lack of service on his or her parents triggers plain-error review, which is an adequate safeguard of the due process rights of the minor.",
        "type": "majority",
        "author": "JUSTICE GARMAN"
      },
      {
        "text": "JUSTICE FREEMAN,\nconcurring in the judgment:\nI agree that there was no jurisdictional impediment to the circuit court\u2019s entry of the delinquency order in this case. I write separately because I reach that conclusion for reasons other than those set forth in today\u2019s opinion.\nThe issue regarding subject matter jurisdiction did not arise in this case until M.W argued in the appellate court that the circuit court \u201cdid not have jurisdiction where [M.W.\u2019s] father, was a named party with a known address and was intimately involved in [M.W.\u2019s] life, was not served with the amended petition of adjudication of wardship, rendering [M.W.\u2019s] delinquency adjudication void.\u201d In support of her argument, M.W cited In re Gault, 387 U.S. 1, 33, 18 L. Ed. 2d 527, 549, 87 S. Ct. 1428, 1446 (1967), and two of our own cases, In re C.R.H., 163 Ill. 2d 263 (1994), and In re R.S., 104 Ill. 2d 1 (1984). The appellate court agreed with her argument, and, relying on In re C.R.H., held that the failure of the State to provide M.W.\u2019s father with notice of the amended petition \u201cdeprived the circuit court of jurisdiction.\u201d As a result, the court vacated the trial court\u2019s judgment.\nProcedurally, then, this court is presented with only one question in this appeal: Did the circuit court have subject matter jurisdiction? If the court did, then this court must reverse the judgment of the appellate court and remand the case to that court for it to consider the remainder of M.W.\u2019s appellate contentions. However, if the circuit court did not have jurisdiction, then the appellate court judgment should be affirmed.\nConsistent with the constitutional mandate for due process, i.e., notice and the opportunity to be heard, the Juvenile Court Act requires that petitions set forth the names and addresses of the minor, the minor\u2019s parents, and the legal guardian or person or persons having custody and control of the minor. 705 ILCS 405/5 \u2014 520 (West 2004). Section 5 \u2014 525 provides that upon the commencement of proceedings, the clerk of the court shall issue a summons with a copy of the petition attached and that the summons be directed to the minor\u2019s parent, guardian, or legal custodian, and to each person named as a respondent in the petition. 705 ILCS 405/5 \u2014 525 (West 2004). The summons shall require each respondent to appear and answer the petition on the date set for the adjudicatory hearing. 705 ILCS 405/5 \u2014 525(l)(c) (West 2004). The Act provides that \u201c[o]nce jurisdiction has been established over a party, further service is not required and notice of any subsequent proceedings in that prosecution shall be made in accordance with *** Section 5 \u2014 530.\u201d 705 ILCS 405/5 \u2014 525(3) (West 2004). Moreover, \u201c[t]he appearance of the minor\u2019s parent *** in any proceeding under this Act shall constitute a waiver of service and submission to the jurisdiction of the court.\u201d 705 ILCS 405/5 \u2014 525(4) (West 2004).\nIn Illinois, \u201c[i]f there is a total want of jurisdiction either as to the subject matter or as to the parties, the proceedings are a nullity and no rights are created by them and they may be declared void when collaterally attacked.\u201d Johnston v. City of Bloomington, 77 Ill. 2d 108, 112 (1979). There is no question that our legislature has deemed juvenile delinquency proceedings a \u201cjusticiable matter\u201d for purposes of section 9 of article six of our 1970 Constitution. Article V of the Juvenile Court Act addresses delinquent minors. Section 5 \u2014 120 of article V gives the juvenile court exclusive jurisdiction of proceedings concerning any minor who, prior to his or her seventeenth birthday, has violated or has attempted to violate, inter alia, any state law and provides that no minor who was under the age of 17 at the time of the offense \u201cmay be prosecuted under the criminal laws of this State.\u201d See 705 ILCS 405/5 \u2014 120 (West 2004). It is clear then from the language of article V that the legislature has given to the juvenile court the authority to adjudicate a minor delinquent. See In re A.H., 195 Ill. 2d 408, 418-19 (2001) (noting authority given to the juvenile court by the legislature). Proceedings under the Act are initiated by the filing of a petition for an adjudication of wardship. See 705 ILCS 405/5 \u2014 520 (West 2004). Thus, once the State filed its juvenile petition in this case, subject matter jurisdiction was established. See In re Thompson, 79 Ill. 2d 262, 267-68 (1980) (discussing the continuing nature of subject matter jurisdiction in the juvenile court).\nCases such as In re C.R.H. and In re R.S. do not compel a different conclusion with respect to subject matter jurisdiction. Unlike the majority, I believe the appellate court mistakenly viewed these cases as addressing subject matter jurisdiction. In neither of these earlier decisions did this court specifically refer to \u201csubject matter\u201d jurisdiction. This is not surprising because both cases addressed the lack of jurisdiction arising from the failure to have served summons on the minors\u2019 mothers. Service of summons upon a necessary party, of course, is essential to acquire personal jurisdiction of the court. Janove v. Bacon, 6 Ill. 2d 245, 249 (1955). In this case, in contrast to those cases, there is no dispute that M.W.\u2019s father was served with summons so that personal jurisdiction was acquired by the juvenile court. Thus, the circuit court here obtained jurisdiction of the parties upon service of summons and of the subject matter after the State\u2019s filing of the delinquency petition. I, therefore, believe that it is unnecessary for this court to overrule In re C.R.H., In re R.S., and People v. R.D.S. on the bases asserted in the majority opinion.\nIn sum, the State\u2019s failure to comply with section 5 \u2014 530 was not an error which affected the circuit court\u2019s jurisdiction over the subject matter or the parties. For that reason, the judgment of the appellate court must be reversed. Admittedly, the failure to comply with section 5 \u2014 530, though not an error that divests a court of either subject matter or personal jurisdiction, may implicate due process concerns. See In re Gault, 387 U.S. at 33-34, 18 L. Ed. 2d at 549-50, 87 S. Ct. at 1446-47 (holding that due process requires adequate notice to minors and the parents in juvenile delinquency proceedings). However, whether the State\u2019s failure to comply constituted a due process violation is a different question from whether the circuit court properly exercised subject matter jurisdiction in these proceedings and one that can be addressed, along with M.W.\u2019s remaining appellate contentions, in the appellate court.\nJUSTICES THOMAS and BURKE join in this special concurrence.\nIn light of its holding that the circuit court lacked subject matter jurisdiction, the appellate court did not reach the remainder of M.W.\u2019s appellate arguments.\nI do not understand the majority\u2019s discussion regarding the standard of review in this case. The majority states that the standard is de novo \u201c[bjecause the circuit court did not rule on the jurisdictional questions and was not asked to rule on the notice issue.\u201d 232 Ill. 2d at 414. This language is somewhat confusing because it suggests that the circuit court did not consider its own jurisdiction. Obviously, by issuing a substantive ruling in this case, the circuit court exercised subject matter jurisdiction. On appeal, the appellate court concluded that the circuit court lacked subject matter jurisdiction. Whether a circuit court properly exercised subject matter jurisdiction is a question of law, which is reviewed de novo. In re John C.M., 382 Ill. App. 3d 553, 558 (2008).\nOther sections of article V indicate where the legislature has specified \u201cconcurrent jurisdiction\u201d and \u201cexcluded jurisdiction.\u201d See 705 ILCS 405/5 \u2014 125, 5 \u2014 130 (West 2004). Neither of these provisions are implicated in this case.\nIn People v. R.D.S., 94 Ill. 2d 77 (1983), a case noted by the majority, the minor\u2019s legal guardian was never served.",
        "type": "concurrence",
        "author": "JUSTICE FREEMAN,"
      }
    ],
    "attorneys": [
      "Lisa Madigan, Attorney General, of Springfield, and Richard A. Devine, State\u2019s Attorney, of Chicago (James E. Fitzgerald, Michelle Katz, Tasha-Marie Kelly and Alan J. Spellberg, Assistant State\u2019s Attorneys, of counsel), for the People.",
      "Patricia Unsinn, Deputy Defender, and Joshua A. Tepfer, Assistant Appellate Defender, of the Office of the State Appellate Defender, of Chicago, and Sanjay Nangia, law student, for appellee."
    ],
    "corrections": "",
    "head_matter": "(No. 104519.\nIn re M.W., a Minor (The People of the State of Illinois, Appellant, v. M.W., Appellee).\nOpinion filed January 23, 2009.\nRehearing denied March 23, 2009.\nLisa Madigan, Attorney General, of Springfield, and Richard A. Devine, State\u2019s Attorney, of Chicago (James E. Fitzgerald, Michelle Katz, Tasha-Marie Kelly and Alan J. Spellberg, Assistant State\u2019s Attorneys, of counsel), for the People.\nPatricia Unsinn, Deputy Defender, and Joshua A. Tepfer, Assistant Appellate Defender, of the Office of the State Appellate Defender, of Chicago, and Sanjay Nangia, law student, for appellee."
  },
  "file_name": "0408-01",
  "first_page_order": 418,
  "last_page_order": 456
}
