MPEP § 2232.01 — Determining if a Reexamination Request Was Filed under 35 U.S.C. 302 for a Patent (Annotated Rules)

§2232.01 Determining if a Reexamination Request Was Filed under 35 U.S.C. 302 for a Patent

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

This page consolidates and annotates all enforceable requirements under MPEP § 2232.01, 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.

Determining if a Reexamination Request Was Filed under 35 U.S.C. 302 for a Patent

This section addresses Determining if a Reexamination Request Was Filed under 35 U.S.C. 302 for a Patent. Contains: 2 permissions.

Key Rules

Topic

Ex Parte Reexamination Request

1 rules
MPEP GuidancePermittedAlways
[mpep-2232-01-b11962afecfd470dc57b4c93]
Methods to Determine Reexamination Request Filing
Note:
Patent Center and Patent Data Portal (PDP) on the USPTO intranet can be used to check if a reexamination request has been filed for a specific patent.

Both the Internet (using Patent Center) and the USPTO intranet (using Patent Data Portal (PDP)) can be accessed to determine if a reexamination request has been filed for a particular patent.

Jump to MPEP SourceEx Parte Reexamination RequestEx Parte ReexaminationExaminer Action Status Tracking
Topic

Examiner Action Status Tracking

1 rules
MPEP GuidancePermittedAlways
[mpep-2232-01-176f639c4089195f9ea2b2b1]
Access to Patent Data Portal Required for Office Personnel
Note:
Office personnel must access the Patent Data Portal through the Business Units section on the USPTO intranet site.

– From the USPTO intranet site https://ptoweb.uspto.gov, Office personnel can click on "Business Units" and then “Patent Data Portal”.

Jump to MPEP SourceExaminer Action Status TrackingEx Parte Reexamination RequestEx Parte Reexamination

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