US PTAB IP Litigation
8,574 annotated decisions
Page 189 of 358 · 8,574 total
patent
Google LLC et al. v.HEADWATER RESEARCH LLC
· IPR2026-00137
Google LLC filed a petition to institute an IPR against Headwater Research’s 9,647,918 patent, asserting that all 19 claims are obvious over a combination of prior‑art references. The petition seeks cancellation of the entire claim set.
patent
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00142
Apple has filed an IPR petition challenging all 47 claims of IngenioSpec’s ’104 patent covering hands‑free audio messaging. The petition alleges obviousness over multiple prior‑art references and seeks cancellation of the entire patent.
patent
Apple Inc. v.IngenioSpec, LLC
· IPR2026-00144
Apple has filed a petition for IPR of IngenioSpec’s U.S. Patent 8,582,789 covering a hearing‑enhancement system, seeking cancellation of all 76 challenged claims as obvious over Anderson and other prior‑art patents.
patent
Google LLC v.Sonos, Inc.
· IPR2026-00131
Google has filed an IPR petition seeking to invalidate Sonos’s multi‑speaker audio patent, arguing that the claims are obvious over existing Bluetooth speaker technologies. The petition requests institution of the review and cancellation of all challenged claims.
patent
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00134
Wabtec has filed an IPR petition challenging Railware’s RE 47835 patent covering railway block‑and‑unblock code systems. The petition asserts obviousness over the FRA‑Report and several secret‑code references.
patent
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00135
Wabtec has filed an IPR petition challenging Railware’s RE 49,115 patent. The petition asserts that claims 20‑36 are obvious over the FRA‑Report combined with secret‑code references. No discretionary denial is alleged.
patent
Cisco Systems, Inc. v.Dynamic Mesh Networks, Inc. d/b/a MeshDynamics
· IPR2026-00127
Cisco has filed an IPR petition seeking cancellation of 20 claims of MeshDynamics' ’762 VoIP mesh‑network patent, alleging obviousness over four prior‑art references. The petition includes claim constructions and requests the Board to institute review.
patent
Generac Power Systems, Inc. et al. v.Champion Power Equipment, Inc.
· IPR2025-01438
Generac and co‑petitioners seek IPR on Champion’s dual‑fuel generator patent, alleging obviousness and anticipation over DuroMax, DeVries, Nakafushi, Olmr and Fujisawa. They also dispute the patent owner’s claim construction of the selector switch.
patent
Medtronic, Inc. v.Moskowitz Family LLC
· IPR2026-00124
Medtronic has filed an IPR petition challenging claims 16 and 19 of a spinal fusion implant patent owned by Moskowitz Family LLC, asserting obviousness over earlier McLuen and Michelson disclosures. The petition seeks cancellation of the claims and highlights alleged concealment of prior art by the patent owner.
patent
Eoptolink Technology USA Inc. et al. v.Applied Optoelectronics, Inc.
· IPR2026-00123
Eoptolink has filed an IPR petition seeking cancellation of eight claims of Applied Optoelectronics’ ’887 patent, asserting that the claimed stepped‑profile substrate and edge‑mounted TOSA modules are anticipated or obvious over prior patents by Kuhara and Ho.
patent
Medtronic, Inc. v.Moskowitz Family LLC
· IPR2026-00121
Medtronic has filed an IPR petition seeking to invalidate 15 claims of the ’755 spinal implant patent, alleging that the claims are anticipated or obvious over prior art such as Schäfer, Yeh, Berry, and Suddaby. The petition contends the patent owner concealed key references during prosecution.
patent
Samsung Electronics Co., Ltd. et al. v.Network-1 Technologies, Inc.
· IPR2026-00117
Samsung has filed an IPR petition seeking cancellation of all 20 claims of Network‑1’s eUICC security patent, alleging obviousness over a combination of prior‑art references covering secure profile provisioning and IMSI encryption.
patent
Canadian Solar (USA) Inc. et al. v.First Solar, Inc.
· IPR2025-01432
Canadian Solar petitions the PTAB to invalidate claims 1‑8 of First Solar’s 9,130,074 patent, asserting that the claims are obvious over multiple pre‑2008 publications describing SIPOS emitters, oxide layers, and antireflective coatings.
patent
Meta Platforms, Inc. v.SitNet, LLC
· IPR2026-00112
Meta Platforms petitions the PTAB to invalidate SitNet’s ’463 patent covering situational networks, asserting that all 12 claims are obvious over prior‑art combinations of location‑based social networking technologies.
patent
Meta Platforms, Inc. v.SitNet, LLC
· IPR2026-00100
Meta Platforms petitions the PTAB to invalidate SitNet’s ’290 patent, asserting that all fourteen claims are obvious over six prior‑art references previously used in IPR2024‑00530.
patent
Amazon.com Services LLC et al. v.HEADWATER RESEARCH LLC
· IPR2026-00106
Amazon has filed an IPR petition seeking to invalidate 18 claims of Headwater's MMS‑related patent, asserting that the claims are obvious over a combination of 3GPP standards and multiple prior‑art patents. The petition lists 14 distinct grounds, each tying specific claim limitations to prior references.
patent
Meta Platforms, Inc. v.SitNet, LLC
· IPR2026-00101
Meta Platforms has filed an IPR petition seeking cancellation of all 18 claims of SitNet’s U.S. Patent 12,245,325. The petition argues that the claims are obvious over two prior‑art groupings—Amidon‑Issa and Wong‑Gogic‑Kraft—citing earlier IPR decisions that invalidated a related ’454 patent.
patent
Samsung Electronics Co., Ltd. et al. v.Zophonos Inc.
· IPR2026-00083
Samsung has filed an IPR petition seeking cancellation of all 20 claims of Zophonos’s ’906 audio‑control patent, asserting obviousness over multiple prior‑art references. The petition details how each claim is taught by combinations of DiCenso641, Smith, Holland, Warren, and Goldstein873.
patent
Samsung Electronics Co., Ltd. et al. v.Zophonos Inc.
· IPR2026-00085
Samsung has filed an IPR petition challenging 13 claims of Zophonos’s hearing‑protection patent, asserting that the claims are obvious over a combination of prior‑art references covering earpieces, wireless communication, and audio‑control interfaces.
patent
Samsung Electronics Co., Ltd. et al. v.Zophonos Inc.
· IPR2026-00084
Samsung has filed an IPR petition seeking cancellation of 29 claims of Zophonos’ ’736 audio‑control patent, asserting obviousness over multiple prior‑art references.
patent
Apple Inc. v.MessageLoud, Inc.
· IPR2025-01430
Apple has filed an IPR petition seeking cancellation of all 14 claims of MessageLoud’s ’964 patent, alleging obviousness over Boelter, Gruber and Polak. The petition argues that prior‑art systems already disclosed in‑vehicle message queuing, audio playback and user controls.
patent
Regions Bank v.United Services Automobile Association
· IPR2025-01356
Regions Bank has filed an IPR petition seeking cancellation of all 30 claims of US Patent 12,211,095, which covers mobile check‑deposit functionality. The petition alleges obviousness over multiple prior‑art references spanning mobile imaging, APIs, and OCR. The Board has yet to decide whether to institute the review.
patent
Apple Inc. v.MessageLoud, Inc.
· IPR2025-01429
Apple has filed an IPR petition seeking cancellation of all 24 claims of MessageLoud’s ’775 patent, arguing the claims are obvious over Boelter, Gruber, and Polak. The petition requests institution and cancellation of the claims.
patent
Apple Inc. v.MessageLoud, Inc.
· IPR2025-01426
Apple petitions an IPR to invalidate 25 claims of MessageLoud's 9,591,117 patent covering hands‑free message notification, citing Boelter, Gruber and Polak as prior art.
