How to File for Parental Responsibilities in Illinois

At Johnson Law Group, we understand that divorce ends marriages but not families. Whether you are separating, already divorcing, or were never married to your child’s other parent, the case that decides parenting in Illinois is a petition for allocation of parental responsibilities.

This page walks through that case from filing to decision. It covers what you file, how the other parent is brought in, the 120-day parenting plan deadline, mediation, and what happens if you cannot agree.

What Parental Responsibilities Means in Illinois

Illinois no longer uses the words custody and visitation. Illinois child custody cases allocate two things: significant decision-making responsibilities, such as education, health care, and religion, and parenting time, meaning the schedule. The court allocates both according to the child’s best interests.

Before you file, think through what you want each of those to look like. Your work and travel schedule, the child’s school, the distance between homes, and how decisions have been made so far all shape a plan the court will approve.

Step 1: File the Petition

The case begins with a petition for allocation of parental responsibilities filed with the circuit clerk in the county with jurisdiction. It can be filed on its own, as part of a divorce or legal separation, or within a parentage case if parentage has not yet been established.¹ If parentage is still open, Illinois parentage has to be settled first or alongside.

Illinois requires e-filing in civil cases, with limited exemptions, so the petition and later filings normally go through an approved e-filing provider.²

Step 2: Serve the Other Parent

The other parent must be formally served with the petition and a summons, usually by the sheriff or a special process server. If the other parent is cooperative, they can instead file an appearance, which avoids the cost and delay of service.

The summons tells the other parent they have 30 days after service, not counting the day of service, to file an appearance or response.³ If they do not, you can ask the court to proceed by default, though the judge still has to find that the plan is in the child’s best interests.

Step 3: File a Parenting Plan Within 120 Days

Every parent must file a proposed parenting plan within 120 days after service or the filing of the petition, either jointly or separately. The court can extend that deadline for good cause.⁴ If you and the other parent agree, you file one agreed plan.

A parenting plan must cover a long list of items, including the decision-making allocation, the parenting time schedule, holidays, transportation, and how the parents will communicate. A detailed plan reduces the number of disputes that come back to court later.

The 120-day clock starts early, and a plan built around your real schedule is far easier to defend than one drafted at the deadline. Johnson Law Group offers a no-pressure consultation to start that plan with you, so schedule a consultation once you know a case is coming.

Step 4: Case Management, the Parenting Class, and Mediation

The court holds an initial case management conference no later than 90 days after service. If parents have not agreed on a plan, the court schedules mediation under the Supreme Court rules and the local circuit’s mediation program.⁵

Mediation in these cases is ordered, not optional. The court must order mediation to help the parents form or implement a parenting plan unless it finds that impediments to mediation exist, such as family violence.⁶

Parents in a case involving minor children must also complete an approved parenting education program, generally within 60 days after the initial case management conference, unless the court excuses them.⁷

Step 5: Hearing and Decision

If mediation does not resolve the case, the court holds a hearing. Each side presents evidence, and the judge allocates decision-making and parenting time based on the child’s best interests.

The court can also appoint an attorney for the child, a guardian ad litem, or a child representative when that would help it understand the child’s needs. That decision is usually addressed at the case management conference after mediation.

Tips for a Parental Responsibilities Case

• Be prepared. Gather school records, calendars, and communications that show your involvement, and keep them organized.
• Be honest with your attorney. The strategy depends on knowing the hard facts as well as the helpful ones.
• Be open to agreement. A plan both parents can live with usually serves the child better than one imposed after a contested hearing.
• Keep the child’s best interests first. The judge will decide on that standard, so arguments framed around your preferences alone carry little weight.

If you were the one served, what to do after being served with divorce papers in Illinois covers the 30-day response window in more detail.

Talk With an Illinois Child Custody Attorney

Filing a parenting petition you later have to amend creates double the work for everyone, so it pays to plan it carefully from the start. Johnson Law Group is here to help.

The attorneys at Johnson Law Group represent parents in parental responsibilities cases across Illinois, and they will give you a clear read on the plan most likely to be approved. Schedule a free consultation through our Illinois office, and we will serve as your North Star from here.

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