MPEP 2230
Constructive Notice to Patent Owner

Ninth Edition of the MPEP, Revision 07.2022, Last Revised in February 2023

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2230    Constructive Notice to Patent Owner [R-07.2015]

In some instances, it may not be possible to deliver mail to the patent owner because no current address is available. If all efforts to correspond with the patent owner fail, the reexamination proceeding will proceed without actual notice to the patent owner. The publication in the Official Gazette of (A) the notice of the filing of a request for reexamination filed under 35 U.S.C. 302, or (B) the notice of the ordering of reexamination at the initiative of the Director of the Office, will serve as constructive notice to the patent owner in such an instance.