An assignment must be recorded to enforce a patent application/patent.
There is not time limit for recording an assignment or merger after the assignment or merger has occurred.

An official certificate by a public officer or a certified copy thereof as well as a certified copy of the assignment deed or merger agreement may be used to support a request to the Office to record an assignment. Notarization, legalization of the supporting document is needed.

The documents used for recording an assignment must be translated into Spanish language.

A simple signed POA by the assignor or assigned must be filed. However, no new POA must be submitted if the assignment is filed by the attorney / agent of record.

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