Executive Summary
A PTAB memorandum issued on July 29, 2025 instructs panels to resolve all petition‑raised grounds in a single final written decision for IPR and PGR cases lacking an oral hearing, aiming for streamlined rulings.
Related Cases
Linkplay Technology Inc. et al.vsSonos, Inc.
Linkplay Technology has filed an IPR petition seeking cancellation of all 20 claims of Sonos’s ’357 patent, alleging anticipation and obviousness over Richenstein, Chatterton, the MOST‑2.0 spec, and RFC1889. The petition argues that discretionary denial does not apply and requests institution of the review.
Taiwan Semiconductor Manufacturing Company Ltd.vsAdvanced Integrated Circuit Process LLC
TSMC has filed an IPR petition challenging all 14 claims of U.S. Pat. 8,884,373, asserting that the dual‑gate semiconductor device claims are obvious over Tamaki, Igarashi, and Sumi publications and their combinations. The petition argues the examiner erred by ignoring relevant prior‑art disclosures.
SAMSUNG ELECTRONICS CO., LTD. et al.vsiCashe, Inc.
The USPTO Director denied Samsung's petitions for review of the institution decisions in seven IPRs, including the case covering patent 11,270,174. The denial leaves the institution decisions unchanged.
Dr. Squatch, LLCvsThe Procter & Gamble Company
Procter & Gamble has filed a Request for Director Review seeking reversal of a PTAB decision that found its natural deodorant patent obvious. The company challenges the Board’s claim construction, motivation to combine prior art, and the petitioner’s failure to disclose real parties in interest.
Honda Motor Co., Ltd. et al.vsInfogation Corp.
Honda and Infogation settled their dispute, prompting the PTAB to dismiss IPR2024-01160 before institution. The Board granted the joint motion to dismiss and ordered the settlement kept confidential.
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