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At the PTAB Blog

IPR and PGR Statistics for Final Written Decisions Issued in September and October 2025

December 19, 2025

Authored and Edited by Daniel F. Klodowski; Umber Aggarwal; Deena Kablaoui Lanier; Nicholas A. Eitsert; A. Sasha Hoyt; Elliot C. Cook

In September and October, the PTAB cancelled 1,143 (79.82%) instituted claims across 70 IPR and PGR Final Written Decisions, including decisions issued following remand from the Federal Circuit.  After review, 279 (19.48%) instituted claims survived. 

r 2025 - IPR and PGR Combined Results by Claim

For comparison, the cumulative average cancellation rate of instituted claims in IPR, CBM, and PGR Final Written Decisions is about 74%.

ults by Claim

On a per-case basis, no instituted or substitute claims survived in 43 (61.43%) decisions, all instituted claims survived in 14 (20.00%) decisions, and a mixed outcome occurred in 13 (18.57%) decisions.  A mixed outcome occurs where at least one instituted or substitute claim remains patentable, and at least one is cancelled, in a Final Written Decision. 

 Combined Results by Case

Through October 31, 2025, the PTAB has cumulatively granted 681 (15.46%) proposed substitute claims in motions to amend while denying 3,724 (84.54%) proposed substitute claims in IPRs. 

laim Disposition

The overall cumulative instituted claim survival rate in IPRs, CBMs, and PGRs through October 31, 2025, broken down by technology center, is as follows:

IPR, CBM, and PGR Instituted Claim Survival Rate by Technology Center

The cumulative number of Final Written Decisions through October 31, 2025, separated by technology center, is as follows:

Final Written Decisions by Tech Center

Additional cumulative statistics on the Board’s IPR, CBM, and PGR decisions, updated through October 31, 2025, are available here on the At the PTAB blog. 

Various other PTAB metrics collected and generated by Finnegan are reserved for the use of Finnegan and its clients.  Stay tuned to the At the PTAB Blog for the latest updates, analysis, and statistics on all aspects of PTAB practice.  Subscribe to receive notifications of new posts via email.

Related Practices

Patent Office Invalidation Proceedings

PTAB Invalidation Proceedings: IPR and PGR

Related Offices

Reston, VA

Washington, DC

Contacts

Daniel F. Klodowski
Partner
Washington, DC
+1 202 408 4216
Email
Umber Aggarwal
Associate
Reston, VA
+1 571 203 2423
Email
Deena Kablaoui Lanier
Associate
Washington, DC
+1 202 408 4115
Email
Nicholas A. Eitsert
Associate
Washington, DC
+1 202 408 4157
Email
A. Sasha Hoyt
Associate
Washington, DC
+1 202 408 4000
Email
Elliot C. Cook
Partner
Reston, VA
+1 571 203 2738
Email

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