How to Answer a Debt Lawsuit in Illinois (2025 Guide)

If you recently received a Summons and Complaint in Illinois, you are likely worried. That is a normal human reaction. No one wants to see their name on a lawsuit.

But here is the truth: You have more power than you think. Debt collectors file thousands of these suits hoping you will be too scared to respond. When you ignore them, they win automatically. When you fight back, the math changes.

You can handle this. This guide covers the specific rules for Illinois, including the unique “Appearance” document you must file alongside your Answer.

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1. The 30-Day Deadline

Time is your most important asset right now. In Illinois, you generally have 30 days to file your response. The clock starts ticking the moment you are served with the papers.

Do not wait. If you miss this window, the court may grant a default judgment against you. This gives the collector the legal right to garnish your wages or freeze your bank accounts. Filing an Answer stops this immediate threat and forces them to prove their case.

2. The “Two-Document” Rule

Illinois is different from many other states. You cannot just file an “Answer.” You must file two separate documents to avoid losing your case:

  • The Appearance: This is a formal declaration that you are participating in the case. It tells the court, “I am here, and I want to be heard.” You can choose a trial by judge or jury.
  • The Answer: This is your response to the specific claims in the lawsuit. You will admit, deny, or claim a lack of knowledge for each allegation.
Note: If you file an Answer without an Appearance, the court may ignore it. You need both.

3. Illinois Filing Fees

Unlike some states where filing an Answer is free, Illinois courts charge a fee to file your Appearance. This fee varies by county and the amount of debt involved.

  • Typical Cost: Between $109 and $251.
  • Fee Waivers: If you cannot afford the fee, you have the right to request a waiver. You will need to file an Application for Waiver of Court Fees and provide details about your income.

4. How to Respond: The 3-Step Process

Step 1: Respond to Each Claim

Read the “Complaint” document. It lists numbered allegations against you. Your Answer must respond to each one. You have three options:

  • Admit: You agree the statement is true.
  • Deny: You dispute the statement. This forces the collector to prove it.
  • Lack of Knowledge: You don’t know if it’s true (common for details like exact account numbers or interest calculations).

Strategy tip: Many legal professionals suggest denying claims if you are unsure. This puts the burden of proof back on the debt collector.

Step 2: Add Affirmative Defenses

This is your chance to explain why you don’t owe the debt. These are called “Affirmative Defenses.” Common examples in Illinois include:

  • Statute of Limitations: The debt is too old to be sued over.
  • Identity Theft: The debt isn’t yours.
  • Lack of Standing: The collector cannot prove they legally own your debt paper.

Step 3: E-File Your Documents

Illinois requires most documents to be filed electronically (e-filing). You generally cannot just mail a paper copy to the court unless you have a specific exemption.

  • You must upload your Appearance and Answer to the state’s e-filing system.
  • You must also send a stamped copy to the plaintiff’s attorney (via email or mail).

Does e-filing sound complicated? It can be. The state system is built for lawyers, not regular people.


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