Reviewed by Joshua P. Haid, Managing Partner

The Illinois Divorce Process: A Step-by-Step Road Map

For many women, the hardest part of divorce is not any single step — it is not knowing what comes next. The uncertainty is its own kind of stress. This road map lays out the Illinois divorce process from beginning to end, so you can see the whole path, understand roughly how long each stage takes, and know what you should be doing at each point to protect yourself and your children. Knowing the route ahead does not make the journey easy, but it gives you back a measure of control.

Every divorce is different, and yours will have its own timeline and turns. But nearly all Illinois divorces follow the same basic path, and understanding it is the first step toward walking it with confidence. The Women’s Divorce & Family Law Group by Haid and Teich LLP has guided women through this process for more than 15 years, and at every stage below, our role is to protect what matters most to you.

Wherever you are on this path, we can help you take the next step. Talk with a Chicago divorce lawyer who represents women — free, confidential consultation, call 312-445-8830.

The Illinois divorce process, step by step

Step 1 — Filing the petition. The process begins when one spouse files a Petition for Dissolution of Marriage in the circuit court of the county where either spouse lives (750 ILCS 5/401). At least one spouse must have lived in Illinois for 90 days. The spouse who files is the “petitioner.” There is no waiting period to file. What this means for you: if you are the one starting the process, filing first lets you prepare on your own timeline; if you are served, do not ignore it. Either way, this is the moment to speak with a lawyer.

Step 2 — Serving your spouse and their response. After filing, your spouse is formally served with the papers and generally has 30 days to file an appearance and response. What this means for you: this step sets the case in motion and the deadlines running. If you have been served, act promptly so your rights are protected from the start.

Step 3 — Temporary orders. Early in the case, either spouse can ask the court for temporary orders that stay in effect while the divorce is pending — for parenting time, child support, spousal maintenance, or use of the family home (750 ILCS 5/501). What this means for you: this is one of the most important early protections for women. If you need financial support or a stable arrangement for your children right now, temporary orders provide it — you do not have to wait until the end of the case to be protected.

Step 4 — Financial disclosure and discovery. Illinois requires both spouses to fully disclose their finances — income, assets, and debts — usually through a required financial affidavit and the exchange of documents (750 ILCS 5/501 and 503). This stage, called discovery, commonly takes a few months, longer where assets are complex. What this means for you: this is where your fair share is protected or lost. If your spouse controlled the finances, or may be understating income or hiding assets, this is the stage to bring the full, true picture into the light — with forensic accountants where needed. Gather your own financial documents early; it saves time and money and strengthens your position.

Step 5 — Negotiation and mediation. With the finances on the table, most couples work to resolve the core issues — the division of property and debt, a parenting plan, child support, and maintenance — through negotiation or mediation. Many Illinois counties require mediation for parenting disputes. What this means for you: most cases settle here, and a good settlement depends on knowing what you are entitled to before you agree. This is where having an advocate who represents you, and knows the numbers, makes the difference between a fair outcome and one you regret.

Step 6 — Settlement or trial. If you reach agreement, the terms are written into a Marital Settlement Agreement (and a parenting plan, if you have children). If you cannot agree on everything, the unresolved issues go to trial, where a judge decides. What this means for you: most divorces settle, but the strongest settlements come from being fully prepared to go to trial if necessary. That readiness is itself what protects you at the table.

Step 7 — The final judgment. At a final hearing, the judge reviews your agreement (or issues a ruling after trial) and enters the Judgment of Dissolution of Marriage, which legally ends the marriage and makes the terms binding. What this means for you: this is the finish line — and the terms entered here shape your finances and your family for years, which is why every step before it matters so much.

How long does an Illinois divorce take?

It depends almost entirely on whether the divorce is contested. Illinois has no mandatory waiting period, so an uncontested divorce — where you and your spouse agree on everything — can be finalized in as little as two to four months. A contested divorce, involving disputes over property, support, or children, typically takes closer to a year, and complex or high-conflict cases can take longer, sometimes 18 to 24 months. The biggest factors are the level of conflict, the complexity of your finances, and the court’s schedule. Resolving even some issues by agreement can meaningfully shorten the process.

How we guide you through every step

You do not have to memorize this road map or walk it alone — that is our job. From the first call, we help you understand where you are, what comes next, and what to do now to protect yourself. We make sure you are protected early through temporary orders when you need support or stability. We bring the full financial picture into the light during discovery, so your fair share is built on the truth. We negotiate hard for a settlement that reflects what you are entitled to, and we prepare every case as if it will go to trial, because that is what protects you. At every stage, our focus is the same: your children, your financial security, and your peace of mind.

Related: Chicago Divorce · Uncontested Divorce · Property Division · Child Custody · Spousal Support · Child Support

Take the next step with someone who knows the whole path. Reach out for a free, confidential consultation.