Westinghouse Air Brake Technologies Corporation et al. Inter Partes Review

Track this case

Case Number:

IPR2026-00133

Case Type:

IPR

Status:

Discretionary Denial

Petitioner:

Westinghouse Air Brake Technologies Corporation et al.

Patent Number:

9,517,782

  1. May 18, 2026

    Train Co.'s Claim Construction Dodge Ended IPRs

    Westinghouse Air Brake Technologies Corp.'s attempt to rely on other parties' claim constructions doomed its challenges to Railware Inc. railway traffic control patents, according to U.S. Patent and Trademark Office Director John Squires.

  2. April 02, 2026

    Squires Gives Go-Ahead To 5 Patent Reviews, Denies 8

    In the latest order summarizing his decisions on requests for America Invents Act patent reviews, U.S. Patent and Trademark Office Director John Squires has granted five petitions and turned down eight others.