What is a reexamination certificate?
A reexamination certificate is a document issued by the USPTO after the completion of a patent reexamination process. It confirms the patentability of the original patent claims, cancels any unpatentable claims, or incorporates allowed amended or new claims.
The distribution of this certificate is crucial, as outlined in MPEP 2292: “An e-copy of the reexamination certificate will be associated with the e-copy of the patent in the search files.”
This ensures that the updated patent information is readily available to the public and patent examiners.
To learn more:
Topics:
MPEP 2200 - Citation Of Prior Art And Ex Parte Reexamination Of Patents,
MPEP 2292 - Distribution Of Certificate,
Patent Law,
Patent Procedure