patent deed

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Patent deed, usually refers to the patent grant mailed out by the U.S. Patent and Trademark Office (USPTO) when the applicant’s patent being issued.  The patent deed “includes any references to prior patents, the inventor(s)’ names, specification and claims (to name a few).” (See here for  more details.)

The patent deed only shows the patent was granted by the USPTO, and does not prove the patent is still valid. To remain the patent being effective, the inventor must maintain the patent in the USPTO. The patent will expire if the maintenance fee is not paid in time. (See here for more information about maintenance fee. )

[Last updated in August of 2020 by the Wex Definitions Team]