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AO 121

Report on the Filing or Determination of an Action or Appeal Regarding a Copyright

Federal · United States Courts · Effective June 1, 2016

This form is a report used to tell the U.S. Copyright Office if a lawsuit or appeal has been started or finished concerning a specific copyright. It asks for details about the court case, the copyright involved, and the final decision date.

Open the official PDFfrom United States Courts

Where this fits in a case

Appeal

Stage: Appeal

This form is used to officially report to the U.S. Copyright Office when a court case or appeal involving a copyright has been started or when a final decision has been made in such a case.

Prepared by the court or clerk.

Common questions

Who fills out this form?
The form is addressed to the Register of Copyrights at the U.S. Copyright Office. It is used by the court system to report information.
What kind of information does it track?
It tracks details about the court case, including the court name, docket number, and the specific copyright registration number and title of the work.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect June 1, 2016.

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