Understanding Your Options: Mediation, Collaboration, and Litigation in Illinois Divorces

How do you get a divorce in Illinois?

Under the Illinois Marriage and Dissolution of Marriage Act (750 ILCS 5/), spouses have three primary pathways: Divorce Mediation (a 3–7 month neutral-led negotiation costing $3,000–$8,000), Collaborative Divorce (a 6–12 month team-based process under the Illinois Collaborative Process Act), and Contested Litigation (an 18–36 month adversarial process in Illinois Circuit Courts). While Mediation and Collaborative Divorce are private, voluntary out-of-court options, Litigation involves a judge-mandated resolution of assets, support, and parenting time.

Option 1: Divorce Mediation in Illinois

What Illinois Divorce Mediation Is

Divorce mediation in Illinois is a voluntary or court-ordered process in which a neutral mediator—trained in family law conflict resolution—facilitates structured negotiation sessions between both spouses. The mediator does not render decisions, issue rulings, or provide legal advice to either party. The mediator’s function is to help both spouses identify shared interests, generate resolution options, and draft a Memorandum of Understanding that the couple’s attorneys then convert into a binding Marital Settlement Agreement.

Illinois Circuit Courts in Cook, DuPage, Lake, and Kane Counties require divorcing couples to attempt court-connected mediation before scheduling a contested trial date. Private mediation is available in all 102 Illinois counties without a court referral.

The Measurable Advantages of Illinois Divorce Mediation

• Cost: A complete Illinois divorce mediation costs $3,000 to $8,000 combined for a moderate-complexity case. In contrast, contested litigation costs each spouse $15,000 to $50,000+ in attorney fees.
• Timeline: Illinois divorce mediation resolves most moderate-complexity cases in 3 to 7 months. Cook County contested litigation timelines average 18 to 36 months for cases requiring trial.
• Privacy: Illinois mediation proceedings are legally confidential under Illinois Supreme Court Rule 99. All financial disclosures and settlement discussions are inadmissible in any subsequent court proceeding.
• Client Control: Both spouses determine the terms of the final Marital Settlement Agreement, enabling the couple to craft asset division structures and parenting arrangements that a judicial order applying 750 ILCS 5/503 formulas cannot replicate.
• Post-Divorce Compliance: Research from the Association for Conflict Resolution demonstrates that spouses who negotiate their own divorce terms through mediation comply with final agreements at higher rates than those whose terms are imposed by judicial order.

When Divorce Mediation Is the Appropriate Choice

Illinois divorce mediation produces optimal outcomes when both spouses demonstrate willingness to participate in good-faith negotiation and commit to voluntary financial disclosure without court-compelled discovery. Mediation is particularly effective for Illinois couples who share minor children and prioritize a durable co-parenting relationship, who hold marital estates without disputed business valuations, and who want to finalize their divorce without creating a public court record.

When Divorce Mediation Is Not Appropriate

Divorce mediation is contraindicated when the case involves a documented history of domestic violence or coercive control. Illinois domestic violence survivors should consult the Illinois Domestic Violence Hotline (1-877-863-6338) before agreeing to joint sessions. Mediation is also inappropriate when one spouse conceals assets; in these cases, Illinois Circuit Court litigation—with mandatory discovery under Illinois Supreme Court Rule 201—provides the necessary enforcement mechanism.

Option 2: Collaborative Divorce in Illinois

What Illinois Collaborative Divorce Is

Collaborative Divorce in Illinois is a multi-professional out-of-court settlement process governed by the Illinois Collaborative Process Act (750 ILCS 90/). Both spouses independently retain attorneys with specialized Collaborative Practice training. All participants execute a Collaborative Participation Agreement, committing to full financial disclosure and binding disqualification from litigation if the Collaborative process terminates without resolution.

The Collaborative team typically includes:

1. Two Collaborative-trained attorneys.
2. A neutral financial professional.
3. A neutral divorce coach (licensed mental health professional).
4. Child specialists for cases involving 750 ILCS 5/602.7 (Best Interests of the Child) contested custody.

The Measurable Advantages of Illinois Collaborative Divorce

• Full Decision-Making Authority: The Collaborative Participation Agreement transfers all final authority from the court to the spouses.
• Specialized Expertise: A financial neutral in a Collaborative Divorce charges $200 to $350 per hour, providing comprehensive marital estate analyses that would cost $5,000 to $25,000 in litigation-phase forensic accounting.
• Structural Incentive: The disqualification provision in the Illinois Collaborative Process Act ensures that both spouses have a material financial interest in resolving the case collaboratively, as termination requires retaining entirely new litigation counsel.
• Privacy: All Collaborative sessions and financial disclosures are confidential and inadmissible in court under the Illinois Collaborative Process Act.

Option 3: Contested Litigation in Illinois

What Illinois Divorce Litigation Is

Illinois divorce litigation is the formal adversarial process governed by the Illinois Marriage and Dissolution of Marriage Act (750 ILCS 5/) and the Illinois Supreme Court Rules of Civil Procedure. The assigned family law judge holds final decision-making authority over property division under the equitable distribution standard of 750 ILCS 5/503, spousal maintenance under 750 ILCS 5/504, and child support under the Illinois Income Shares Model.

When Contested Litigation Is the Necessary Choice

1. Domestic Violence: Illinois Circuit Courts can enter Emergency Orders of Protection within 24 hours under the Illinois Domestic Violence Act (750 ILCS 60/).
2. Asset Concealment: Litigation provides mandatory document production under Illinois Supreme Court Rule 201, forensic accounting subpoenas, and judicial sanctions.
3. Power Imbalance: Litigation’s mandatory discovery process equalizes the informational asymmetry when one spouse controls all marital financial accounts.
4. Non-Participation: When one spouse refuses to engage in voluntary negotiation, litigation provides the judicial authority to move the case toward final resolution on a court-managed timeline.

The Documented Costs of Illinois Divorce Litigation

Cook County contested divorce litigation costs each spouse $15,000 to $50,000+ for moderate cases, and $75,000 to $150,000+ for high-complexity cases. As of 2026, Cook County divorce filing fees are $337. Additional costs include process server fees ($50–$150) and forensic accountant fees ($5,000–$25,000).

Comparison of Illinois Divorce Pathways

Frequently Asked Questions

How long does each Illinois divorce option take?

• Mediation: 3 to 7 months.
• Collaborative Divorce: 6 to 12 months.
• Uncontested Litigation: 2 to 4 months.
• Contested Litigation: 18 to 36 months in Cook County circuit courts.

Does Illinois require mediation before litigation?

Cook County, DuPage County, Lake County, and Kane County circuit courts require divorcing couples to attempt court-connected mediation before scheduling a contested trial date as of 2026.

Anna Krolikowska

Anna P. Krolikowska, an attorney in the Northbrook law firm of Anna P. Krolikowska P.C, focuses her practice in the area of family law. Anna realizes that importance and the impact family law matters have not only on her clients, but also on their families. From divorce and child custody to any judgment modifications, Anna considers the unique circumstances of each case to develop a course of action designed specifically to address each client’s unique needs.

Read More