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JDF 600

District Court Civil Summons

Colorado · Colorado Judicial Branch · Effective July 1, 2023

This form is a notice that tells a person they have been sued in the District Court. It requires the person named as the Defendant to file a written answer or response to the attached Complaint with the court clerk within a specific number of days based on where they were served.

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 (the Plaintiff) starts a civil case against another person (the Defendant) in the District Court.

Usually filed by the person starting the case.

Common questions

What does this form require the Defendant to do?
The Defendant must file an answer or other response to the Complaint with the Clerk of the Court. This response must include the required filing fee.
How long does the Defendant have to respond?
If served in Colorado, the Defendant has 21 days. If served outside of Colorado, the Defendant has 35 days.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect July 1, 2023.

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