Pfizer Inc. Inter Partes Review

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Case Number:

IPR2026-00189

Case Type:

IPR

Status:

Trial Instituted

Petitioner:

Pfizer Inc.

Patent Number:

11058757

  1. May 27, 2026

    Squires Institutes 3 IPRs, Refuses Case With Limited Impact

    U.S. Patent and Trademark Office Director John Squires granted three petitions for inter partes review in his newest bulk order and broke down why he previously rejected CyberSecure IPS LLC's challenge to a Network Integrity Systems Inc. optical fibers monitoring patent.

  2. May 20, 2026

    Squires Institutes 5 Patent Reviews, Rejects 7 Others

    U.S. Patent and Trademark Office Director John Squires on Tuesday granted five requests for review of patents under the America Invents Act while turning down seven other petitions.