How do I properly identify a patent in an assignment?

To properly identify a patent in an assignment, you must use the patent number. According to 37 CFR 3.21, “An assignment relating to a patent must identify the patent by the patent number.” This ensures that there is no ambiguity about which patent is being assigned.

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Topics: MPEP 300 - Ownership and Assignment, Patent Law, Patent Procedure
Tags: patent assignment, patent identification, Patent Number