Microsoft Corporation Inter Partes Review

Track this case

Case Number:

IPR2026-00184

Case Type:

IPR

Status:

Trial Instituted

Petitioner:

Microsoft Corporation

Patent Number:

12231426

  1. Filed: December 30, 2025 00:00

    Coverage

    1. June 15, 2026

      Squires Rejects 7 AIA Cases, Explains Earlier Tesla Decision

      U.S. Patent and Trademark Office Director John Squires has granted five patent challenges and rejected seven others, and he also issued a decision Monday explaining why he allowed a group of Tesla petitions to go ahead to the merits stage of review.

    1 other articles on this case. View all »

    Stay ahead of the curve

    In the legal profession, information is the key to success. You have to know what’s happening with clients, competitors, practice areas, and industries. Law360 provides the intelligence you need to remain an expert and beat the competition.


    • Search PTAB cases and full-text documents.
    • Download filings with the U.S. Patent & Trademark Office’s Patent Trial & Appeal Board.
    • Set up alerts on new cases, follow ongoing cases, track new decisions and so much more!

    TRY LAW360 FREE FOR SEVEN DAYS