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Category: Divorce

Five Mistakes to Avoid in Your Illinois Divorce

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Written by Jessica Mansbacher Kibbe on 11.26.25

Divorce in Illinois can be emotionally and financially draining, and many people make mistakes along the way that make it even worse. Avoiding common mistakes during divorce can help you protect your time, finances, and peace of mind. Working with an experienced Chicago family law attorney is the best way to ensure you get the most out of the legal process.

Common Mistakes to Avoid in Your Illinois Divorce

Divorce in Illinois is governed by the Illinois Marriage and Dissolution of Marriage Act (IMDMA), the statute that sets the rules for property division, child support, and parenting issues. The law is comprehensive and touches every aspect of the divorce process, and it must be followed. Divorcing spouses also have to contend with rules and regulations specific to the county where they file. All that is to say, divorce is tricky; even in amicable situations, spouses face financial disclosure requirements, timing deadlines, emotional strain, and unfamiliar terminology that can feel overwhelming and lead to avoidable mistakes.

Mistake #1: Failing to Understand What is Marital vs. Non-Marital Property

Illinois does not automatically treat everything acquired during a marriage as marital property. The court must distinguish between:

  • Marital property — generally anything acquired by either spouse during the marriage.
  • Non-marital property — such as assets owned before the marriage, inheritance, gifts, and certain property acquired after separation.

Many spouses are surprised by how easy it is to misclassify property. For example, people sometimes assume that if they receive money or property during the marriage, it must be marital. In fact, inheritances and certain gifts are specifically protected as non-marital, unless they are later commingled with marital property.

When non-marital funds are mixed with marital funds (for example, depositing inherited money into a joint bank account), tracing it back the original source becomes much more difficult. In some situations, commingling can convert non-marital property into marital property.

Practical Tip:
Keep detailed records of premarital assets, inheritances, and gifts. If you believe any property should be classified as non-marital, talk to your attorney early so proper tracing can be done before negotiations begin.

Mistake #2: Overlooking Financial Disclosures and Discovery Obligations

Financial transparency is a core requirement of divorce in Illinois. Both spouses must provide full and accurate financial disclosures, including information about their:

  • Income
  • Bank accounts
  • Debts
  • Investments
  • Retirement accounts
  • Business interests

Some spouses underestimate how serious the disclosure process is. Even small omissions can damage your credibility with the court. Major omissions can lead to sanctions or cause the court to award the other spouse a greater share of the marital estate.

Financial disclosure obligations do not end after the initial exchange of financial affidavits. The duty to supplement is continuing. New paystubs, updated account balances, and newly discovered documents must be provided to the other side promptly.

Courts have the authority to order compliance and impose financial sanctions on a party who refuses to comply with the discovery process.

Practical Tip:
Providing honest and complete financial information up front saves time, reduces attorney’s fees, and prevents unnecessary court involvement. Transparency protects your credibility, which is one of the most valuable assets you have during litigation.

Mistake #3: Letting Emotions Drive Legal Decisions

Divorce is emotionally charged. Anger, fear, guilt, and frustration can cloud judgment in ways that lead to expensive and long-lasting consequences. One of the most common errors is making decisions based on emotion rather than objective legal strategy.

For example, turning down a reasonable settlement out of spite can prolong litigation and increase costs, often without improving the final result.

Illinois courts will not reward this behavior, either, especially when it concerns the children. The allocation of parental responsibilities must be based solely on the child’s best interests. You will not benefit from trying to use your children to punish your spouse.

Your lawyer understands the law, your judge, and the potential outcomes in your case. Clients who disregard their lawyers’ advice often end up spending more money and losing out on what they wanted.

Practical Tip:
Stay focused on long-term goals. If emotional tension is rising, consider mediation, counseling, or working with a divorce coach. Listen to your lawyer.

Mistake #4: Thinking Litigation Will Be Quick and Cheap

Many spouses assume that filing for divorce will quickly resolve their issues. In reality, litigation is lengthy and costly.

From filing to final judgment, an Illinois divorce can take several months or years, and costs add up quickly. Attorney’s fees, expert witnesses, parenting evaluators, forensic accountants, and multiple court hearings can significantly increase the total cost.

There are alternatives. Mediation is required for certain parenting disputes and strongly encouraged for others. Alternative dispute resolution is typically faster, less expensive, and less emotionally draining than full-blown litigation.

Practical Tip:
Before diving into litigation, ask your attorney for a realistic budget and timeline. Explore non-adversarial options that may better serve your goals and your family.

Mistake #5: Going it Alone Without an Attorney

Illinois divorce law is complex, and self-representation can be risky, even if you and your spouse agree on most issues. Without an attorney:

  • You may unintentionally waive important rights.
  • You may miscalculate support, misclassify property, or draft unenforceable agreements.
  • You may miss procedural requirements that delay the case or result in unfavorable orders against you.

An experienced attorney ensures your settlement is legally sound, your rights are protected, and your paperwork is drafted correctly the first time.

Practical Tip: Get a Lawyer

Divorce does not have to drain your finances or destroy your peace of mind. Working with an experienced family law attorney in Chicago will help you avoid common mistakes and set you up for success in your next chapter. Reach out to O. Long Law, LLC, today to schedule your consultation and discuss your unique situation with one of our knowledgeable attorneys.