US PTAB Patent Cases
8,574 decisions indexed
Page 175 of 286 · 8,574 total
REC Solar Holdings AS et al. v.Maxeon Solar PTE. Ltd.
REC Solar Holdings has petitioned the PTAB to invalidate claims 9‑20 of Maxeon’s 8,878,053 solar‑cell patent, asserting obviousness over prior art such as Froitzheim, Gan, Kwark and related publications.
Google LLC v.VirtaMove, Corp.
Google has filed an IPR petition seeking cancellation of all 18 claims of VirtaMove’s ’058 patent, arguing that the claims are obvious over the Callender patent and that discretionary denial is unwarranted.
Google LLC v.TJTM Technologies, LLC
Google has filed an IPR petition seeking cancellation of all nine claims of TJTM Technologies’ ’853 patent, which covers a mobile‑device “inactive mode” for reducing driver distraction. The petition relies on obviousness over Cazanas, Frye, and Zhou and argues there is no basis for discretionary denial.
Apple Inc. v.--
Apple has filed an IPR petition seeking to invalidate claims 1‑9 of Proxense’s ’989 patent covering smartphone biometric authentication, arguing obviousness over multiple prior‑art references and that discretionary denial is unwarranted.
Xencor, Inc. v.Merus N.V.
Xencor, Inc. has filed an IPR petition seeking to invalidate Merus N.V.'s U.S. Patent No. 9,358,286 covering bispecific antibodies. The petition alleges anticipation and obviousness over prior art references Lazar, Arathoon, and Cabrera, and argues against discretionary denial.
International Business Machines Corp. v.VirtaMove, Corp.
IBM has filed a petition for inter partes review of VirtaMove’s U.S. Patent 7,784,058, asserting that the claims are obvious over prior art relating to shared libraries and OS kernel functions. The petition details two grounds of obviousness and argues against discretionary denial.
Apple Inc. v.ImberaTek, LLC
Apple has filed an IPR petition seeking to invalidate ImberaTek’s ’201 patent on embedding components in a baseboard, asserting that the claim is anticipated or obvious over six prior‑art references. The petition argues that the Board should not deny institution and that all Fintiv factors favor proceeding.
Samsara Inc. v.Motive Technologies, Inc.
Samsara has filed an IPR petition challenging Motive Technologies’ camera‑calibration patent, arguing that six grounds of obviousness under §103 render claims 1‑7 unpatentable.
Yealink (USA) Network Technology Co., Ltd. and Yealink Network Technology Co., Ltd. v.Barco N.V.
Yealink has filed an IPR petition seeking cancellation of all 31 claims of Barco’s 2024 video‑conferencing patent, arguing obviousness over multiple prior‑art references and examiner error.
Analog Devices, Inc. et al. v.Number 14 B.V.
Analog Devices has filed a petition to cancel Number 14 B.V.’s 7,812,665 op‑amp offset‑calibration patent, asserting that the claims are obvious over multiple prior‑art references. The petition also argues that discretionary denial is improper.
REC Solar Holdings AS et al. v.Maxeon Solar PTE. Ltd.
REC Solar seeks cancellation of claims 9‑12 of Maxeon’s 8,222,516 solar‑cell patent, asserting obviousness over several prior‑art references and invoking collateral estoppel from earlier PTAB rulings.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology has filed an IPR petition seeking to invalidate Stratasys' 3D‑printing patent covering RFID‑based material tagging, arguing obviousness over multiple prior‑art references and urging institution of the review.
Apple Inc. v.Proxense, LLC
Apple has filed an IPR petition challenging all 20 claims of Proxense’s ’188 patent, asserting obviousness over multiple prior‑art references and arguing that discretionary denial is unwarranted.
Samsung Electronics Co., Ltd. et al. v.Anonymous Media Research Holdings, LLC
Samsung Electronics has filed an IPR petition seeking cancellation of all 17 claims of the ’911 patent, alleging obviousness over Steuer and Eldering references and lack of written‑description support for video‑data features.
Samsung Electronics Co. Ltd. et al. v.Mobile Data Technologies LLC
Samsung has filed an IPR petition challenging Mobile Data Technologies' 9,032,039 patent covering network‑based content management. The petition alleges obviousness over several pre‑2002 web and mobile references and argues discretionary denial is improper.
Axon Enterprise, Inc. et al. v.Airspace Systems, Inc.
Axon and Dedrone have filed an IPR petition seeking cancellation of nine claims of Airspace Systems' UAV‑defense patent, arguing obviousness over four prior‑art references. The petition also argues that institution is proper under the Fintiv factors.
Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.
Shenzhen Tuozhu Technology has filed an IPR petition seeking to invalidate Stratasys’s 3‑D‑printer force‑detection patent (US 9,168,698) on multiple obviousness grounds, citing Warren, Eshed, Calderon, RepRap forum disclosures, and Napadensky. The petition also addresses discretionary issues under §§ 325(d) and 314(a).
Google LLC v.VirtaMove, Corp.
Google has filed an IPR petition seeking cancellation of all 34 claims of VirtaMove’s ’814 patent, asserting that the claims are obvious over a combination of prior‑art references (Schmidt‑479, Tormasov, Calder, and Schmidt‑629) under §103. The petition also argues that discretionary denial is unwarranted.
Sandisk Technologies, Inc. et al. v.Polaris PowerLED Technologies, LLC
Sandisk and Western Digital have petitioned the PTAB to institute an IPR against Polaris PowerLED’s ’346 patent, asserting that its parity‑generation claims are obvious over multiple prior‑art references. The petition argues that the claimed on‑the‑fly techniques and command distribution were well‑known and that discretionary denial is not warranted.
Samsung Electronics Co., Ltd. et al. v.HEADWATER RESEARCH LLC
Samsung has filed an IPR petition seeking to invalidate Headwater Research's U.S. Patent 11,096,055 covering automated device provisioning and activation. The petition alleges obviousness over multiple prior‑art references and argues against discretionary denial. The case is pending before the PTAB.
Yangtze Memory Technologies Company, Ltd. et al. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies petitions the PTAB to institute an IPR against Micron's 3D NAND patent, arguing that all challenged claims are anticipated or obvious over prior art by Lee, Freeman, and Lim. The petition also asserts that discretionary denial does not apply.
Padagis US LLC et al. v.Neurelis, Inc.
Padagis US LLC seeks IPR cancellation of Neurelis' 8,895,546 patent covering intranasal benzodiazepine solutions, arguing obviousness over Gwozdz and Meezan and invoking collateral estoppel from a prior IPR.
Webgroup Czech Republic, a.s. et al. v.DISH Technologies L.L.C. et al.
WebGroup Czech Republic challenges DISH's adaptive‑bitrate streaming patent, asserting that 27 claims are obvious over earlier streaming patents and standards. The petition seeks institution of an IPR, arguing strong merits and favorable discretionary factors.
ZEPP HEALTH CORPORATION v.Worcester Polytechnic Institute
Zepp Health petitions the PTAB to institute an IPR and invalidate all 20 claims of Worcester Polytechnic’s ‘362 patent covering PPG motion‑artifact detection, citing obviousness over Chon ‘947, Mollerus, and Simon. The petitioner also argues that discretionary denial is inappropriate under §314(a) and §325(d).
Samsung Electronics Co., Ltd. et al. v.Optimum Imaging Technologies LLC
Samsung has filed an IPR petition challenging all 30 claims of Optimum Imaging’s ’266 digital‑camera patent, asserting obviousness over multiple pre‑AIA references and arguing that discretionary denial is unwarranted.
LG Electronics, Inc. et al. v.Maxell, LTD.
LG Electronics petitions the PTAB to invalidate Maxell’s U.S. Patent 10,244,284 covering a display apparatus and video processing method, arguing that claims 18‑20 are obvious over a combination of prior‑art references involving dual‑radio devices, Bluetooth, WLAN, and related standards.
Samsung Electronics Co., Ltd. et al. v.Four Batons Wireless, LLC
Samsung has filed an IPR petition seeking to invalidate claims 1‑8 and 10‑19 of Four Batons Wireless’s 8,239,671 patent. The petition relies on obviousness over three prior‑art references—Sood, Aboba, and Lee—and includes claim‑construction arguments for the term “key binding blob.”
Samsung Electronics Co., Ltd. et al. v.Four Batons Wireless, LLC
Samsung has filed an IPR petition seeking cancellation of 19 claims of Four Batons Wireless’s ’348 patent covering silent proactive handoff. The petition relies on obviousness over Hsu and three additional references and argues that discretionary factors favor institution.
ZEPP HEALTH CORPORATION v.Worcester Polytechnic Institute
Zepp Health petitions the PTAB to institute an IPR against Worcester Poly's 9,713,428 patent covering wearable physiological monitoring, arguing the claims are obvious over multiple prior‑art references.
Wiz, Inc. v.Orca Security Ltd.
Wiz, Inc. has filed an IPR petition seeking institution of a challenge to all 34 claims of Orca Security’s cloud‑snapshot patent, asserting obviousness over multiple prior‑art references.
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