Entegris, Inc. Inter Partes Review

Track this case

Case Number:

IPR2025-00267

Case Type:

IPR

Status:

Trial Instituted

Petitioner:

Entegris, Inc.

Patent Number:

11673903

  1. November 03, 2025

    Squires' First Orders Reject PTAB Petitions En Masse

    U.S. Patent and Trademark Office Director John Squires, true to his word, rejected 13 petitions for inter partes review with no explanation, furthering the administration's controversial push toward narrowing the Patent Trial and Appeal Board's place in patent litigation. 

  2. July 03, 2025

    Stewart Drops Mixed Bag Of Discretionary Denial Rulings

    Acting U.S. Patent and Trademark Office Director Coke Morgan Stewart has released 24 more discretionary denial decisions, more than half of which she cleared challenges to move forward through the Patent Trial and Appeal Board process.