AT&T Services Inc. et al. v. ASUS Technology Licensing Inc.

TikTok Inc. et al.vsCellspin Soft, Inc.

TikTok Inc. challenged Cellspin Soft, Inc.'s patent (US 11659381) in a Petition, arguing that the claims are obvious over combinations of prior art references including Hiroishi, Kahn, and Bluetooth. The PTAB found sufficient grounds for institution, noting that both discretionary tests favored proceeding with the case.

Vertiv CorporationvsValtrus Innovations Ltd.

Vertiv seeks IPR cancellation of Valtrus’s ’277 data‑center cooling patent, asserting that all 21 claims are anticipated by Nakanishi and Bishop and obvious over their combination.

Uber Technologies, Inc.vsEnvosys, LLC

The PTAB denied institution of the IPR petition filed by Uber Technologies against Envosys, LLC, finding that the challenged claims were obvious over prior art. The Board rejected Petitioner's arguments regarding combining references to teach location tracking and geographic boundary disclosure.

Stingray Group Inc. et al.vsHernandez-Mondragon, Edwin et al.

An email from the PTAB Director informs parties of Director Review requests for IPR2025-00349, -00350, and -00351, outlining a five‑page, five‑day response limit and prohibiting new evidence.

POSCO Co., Ltd. et al.vsARCELORMITTAL

POSCO has filed an IPR petition challenging all 30 claims of ArcelorMittal’s 2021 steel‑coating patent, asserting anticipation and obviousness over multiple prior‑art references. The petition seeks cancellation of the claims and argues that discretionary denial is unwarranted.