MPEP § 2230 — Constructive Notice to Patent Owner (Annotated Rules)

§2230 Constructive Notice to Patent Owner

USPTO MPEP version: BlueIron's Update: 2025-12-31

This page consolidates and annotates all enforceable requirements under MPEP § 2230, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Constructive Notice to Patent Owner

This section addresses Constructive Notice to Patent Owner. Primary authority: 35 U.S.C. 302. Contains: 1 prohibition and 2 other statements.

Key Rules

Topic

Request by Patent Owner

3 rules
StatutoryProhibitedAlways
[mpep-2230-20243dbe8963208e8e0f913d]
Constructive Notice Without Current Address
Note:
If a patent owner's current address is unavailable, constructive notice will be given through publication in the Official Gazette.

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.

Jump to MPEP SourceRequest by Patent OwnerEx Parte Reexamination RequestEx Parte Reexamination
StatutoryInformativeAlways
[mpep-2230-b2c4d02609e2a179d388ac8f]
Proceed Without Notice If Owner Unreachable
Note:
If all efforts to contact the patent owner fail, the reexamination process will continue without notifying them.

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.

Jump to MPEP SourceRequest by Patent OwnerEx Parte ReexaminationEx Parte Reexamination Request
StatutoryInformativeAlways
[mpep-2230-4b0ba012a68b960d736dd769]
Constructive Notice Through Official Gazette Publication
Note:
Publication of reexamination request or ordering notice in the Official Gazette serves as constructive notice to the patent owner.

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.

Jump to MPEP SourceRequest by Patent OwnerEx Parte Reexamination RequestEx Parte Reexamination

Citations

Primary topicCitation
Request by Patent Owner35 U.S.C. § 302

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2025-12-31