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DOC/PTO RIN: 0651-AD89 Publication ID: 2026 
Title: ●Revision to Rules of Practice before the Patent Trial and Appeal Board 
Abstract:

The United States Patent and Trademark Office (USPTO) proposes revisions to the rules of practice before the Patent Trial and Appeal Board (PTAB) that the Director and, by delegation, the PTAB will use in instituting IPR.

 
Agency: Department of Commerce(DOC)  Priority: Substantive, Nonsignificant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Not subject to, not significant 
CFR Citation: 37 CFR 42   
Legal Authority: 35 U.S.C. 2(b)(2)    35 U.S.C. 3    35 U.S.C. 6    35 U.S.C. 21    35 U.S.C. 23    35 U.S.C. 41    35 U.S.C. 134 to135    35 U.S.C. 143    35 U.S.C. 153    35 U.S.C. 311 to 312    35 U.S.C. 314    35 U.S.C. 316    35 U.S.C. 318    35 U.S.C. 321 to 326    35 U.S.C. 328    Pub. L. 112-29    Pub. L. 112-274   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  10/17/2025  90 FR 48335   
Comment Period Extended  11/07/2025  90 FR 50492   
NPRM Comment Period End  11/17/2025 
Extended Comment Period End  12/02/2025 
Next Action Undetermined  To Be Determined 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Stacey White
Department of Commerce
Patent and Trademark Office
P.O. Box 1450,
Alexandria, VA 22313
Phone:571 272-9797
Email: stacey.white@uspto.gov