Skip to content
LitigationForms
JDF 1041

Petition for Annulment (invalidity)

Colorado · Colorado Judicial Branch · Effective May 1, 2024

This form is a request to the court to declare a marriage or civil union invalid. It asks the court to decide if the union should be annulled based on specific reasons.

Open the official PDFfrom Colorado Judicial Branch

Where this fits in a case

Start a case

Stage: Start a case

This form is used when a person believes their marriage or civil union was invalid and needs to ask the court to officially cancel it.

Usually filed by the person starting the case.

Common questions

What is this form for?
This form is a Petition for Annulment, which means you are asking the court to declare a marriage or civil union invalid. You must also file form JDF 1000 with this petition.
Do I need to list children?
Yes, the form has sections to list children from the marriage or civil union, including their names, ages, and addresses.
What if I don't have children?
If you do not have children from the union, you can skip to Section 10 of the form.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect May 1, 2024.

Related forms

  • JDF1000

    Case Information Sheet

    This form is a Case Information Sheet used to collect basic details about the people involved in a case, including names, addresses, and information about any children under 19. It requires signatures from the parties involved to confirm the information is true.

    Fillable PDF11 translations
  • JDF1091

    Attachment to the Petition (Family Cases)

    This form is an attachment to a Petition used in family cases. It asks for extra information, such as listing children under 19 and detailing any other court cases involving the people or children.

    Fillable PDF
  • JDF1350

    ICWA Assessment (Domestic, Probate, Adoption)

    This form is an assessment used in certain court cases to gather information about whether a child or the child's family members are connected to any American Indian or Alaska Native tribes. It asks for details about tribal membership and residency near reservations.

    Fillable PDF1 translation
  • JDF1011

    Petition for Divorce or Legal Separation

    This form is used to officially ask the court for a Divorce or Legal Separation. It asks for details about the people involved, the marriage or civil union, and information about any children.

    Fillable PDF10 translations
  • JDF1012

    Summons (divorce/separation)

    This form is a Summons used to officially tell someone that they are involved in a court case about divorce or legal separation. It informs the person that they must file a written response to a separate document called a Petition and lists immediate rules they must follow.

    Fillable PDF11 translations
  • JDF1042

    Summons (annulment/invalidity)

    This form is a court notice that tells someone they are now involved in a family court case. It informs the person that they must file a written answer to a separate document called a Petition.

    Fillable PDF1 translation
  • JDF1412

    Petition for Underage Marriage

    This form is a request to the court asking for permission to get married even though the person is under the legal age. The person filling it out also asks the court to order the County Clerk and Recorder to issue the necessary marriage papers.

    Word
  • JDF1010

    Guide to Divorce or Legal Separation

    This guide explains the steps for filing for a divorce or legal separation in Colorado. It lists the specific court forms needed and outlines the general process from filing to potential final orders.

    Fillable PDF10 translations