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Date: 09/07/2025

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  3. Divorce
  4. Petition for invalidity of marriage

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A form to ask the court to declare a marriage invalid (sometimes called getting your marriage annulled).

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Download

Can I use this form?

Use this form to get your marriage annulled for the following reasons:
  • Your spouse cannot have sex,
  • Fraud (your spouse misled you),
  • You were underage, or
  • Your spouse is already married.

What do I need first?

To complete this form, you will need to know:

  • Date, time, and place you were married,
  • Date of separation,
  • Other spouse's name (if your spouse is already married), and
  • How your spouse misled you (if fraud).
Last full review by a subject matter expert
April 30, 2018
Last revised by staff
May 24, 2020

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© 2025 Illinois Legal Aid Online. 
All rights reserved.
 
ILAO is a registered 501(c)(3) nonprofit organization. ILAO's tax identification number is 20-2917133.