US PTAB Patent Cases
5,620 decisions indexed
Page 19 of 188 · 5,620 total
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.
Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.
Samsung Electronics has filed an IPR petition seeking to invalidate Cerence’s U.S. Patent 7,680,334 covering handwriting‑recognition methods. The petition argues the claims are obvious over a combination of prior‑art references and requests the Board to institute the review.
Google LLC v.SoundClear Technologies LLC et al.
Google filed an IPR petition challenging all 20 claims of SoundClear's 9,031,259 patent covering noise‑reduction apparatuses, asserting obviousness over several prior‑art references and seeking institution of the review.
Yealink (USA) Network Technology Co., Ltd. and Yealink Network Technology Co., Ltd. v.Barco N.V.
Yealink has filed an IPR petition against Barco’s 2024 video‑conferencing patent, asserting that the claims are obvious over earlier web‑conferencing systems such as Beel, Dinka, Van de Laar, and Kaplan. The petition argues the examiner missed material prior art and erred in patentability analysis.
Murata Manufacturing Co., Ltd. et al. v.Georgia Tech Research Corporation
Murata has filed an IPR petition seeking to invalidate claims 1‑2 and 4‑20 of U.S. Patent 7,489,914 on the basis of obviousness over prior art references Yeh, Dalmia, and Hashemi. The petition argues no discretionary denial factors apply and requests institution of the trial.
Murata Manufacturing Co., Ltd. et al. v.Georgia Tech Research Corporation
Murata has filed an IPR petition challenging 19 claims of Georgia Tech’s 7,489,914 patent covering multi‑band RF transceivers. The challenger argues the claims are obvious over a combination of four prior‑art references and seeks institution of the review.
Google LLC v.SoundClear Technologies LLC et al.
Google has filed a petition for inter partes review of SoundClear’s 9,070,374 patent covering a simplex communication apparatus with visual feedback. The petition argues that all claims are obvious over IBM, Kale, and Li prior art and seeks institution of the IPR.
Axon Enterprise, Inc. et al. v.Airspace Systems, Inc.
Axon and Dedrone have filed an IPR petition seeking to invalidate Airspace Systems’ U.S. Patent 10,249,199 covering UAV discrimination and countermeasure technology. The petition alleges obviousness over multiple prior‑art references and requests institution of the proceeding.
Samsung Electronics Co., Ltd. et al. v.HEADWATER RESEARCH LLC
Samsung has filed an IPR petition challenging 15 claims of Headwater Research’s ’510 patent on the basis that a combination of prior‑art references makes the claims obvious under §103. The petition also argues that discretionary denial is unwarranted and that the proceeding should be instituted.
Neurocrine Biosciences, Inc. v.Spruce Biosciences, Inc.
The PTAB denied institution of a PGR for Neurocrine against Spruce because the patent owner had disclaimed all challenged claims.
Yealink (USA) Network Technology Co., Ltd. and Yealink Network Technology Co., Ltd. v.Barco N.V.
Yealink Network Technology Co., Ltd. successfully convinced the PTAB to institute IPR proceedings against Barco N.V.'s patent, arguing obviousness under 35 U.S.C. § 103. The Board found sufficient evidence of obviousness over Beel and Dinka for at least one claim, leading to a trial date.
Axon Enterprise, Inc. et al. v.Airspace Systems, Inc.
The PTAB granted institution of IPR for Axon Enterprise against Airspace Systems, challenging claims 1-9 of U.S. Patent No. 10,249,199 B2 based on obviousness over prior art (Whitmarsh).
Eunsung Global Corp. v.HydraFacial LLC et al.
HydraFacial and Eunsung Global settled their IPR dispute before the Board could institute a trial. The joint motion to terminate was granted, and the settlement agreement was kept confidential.
Eunsung Global Corp. v.HydraFacial LLC et al.
Eunsung Global Corp. requests Director Review of the PTAB's denial to institute an IPR against HydraFacial's hydrodermabrasion patent, arguing errors in Fintiv factor analysis and emphasizing efficiency. The Board had denied institution under 35 U.S.C. § 314(a).
LG Electronics, Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell have settled their dispute over U.S. Patent 8,736,729 and jointly moved to terminate the inter partes review.
Eunsung Global Corp. v.HydraFacial LLC et al.
Eunsung Global and HydraFacial filed a joint motion to terminate IPR2025-00445 after reaching a settlement that resolves all disputes over U.S. Patent 9,550,052. The Board has not issued a final decision, and the parties request dismissal of the proceeding.
LG Electronics, Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell settled their dispute over U.S. Patent 8,736,729, leading the PTAB to dismiss the IPR before it was instituted.
Eunsung Global Corp. v.HydraFacial LLC et al.
Eunsung Global and HydraFacial jointly filed a motion asking the PTAB to keep their settlement agreement confidential and separate from the patent file, invoking 35 U.S.C. § 317. The request emphasizes protection of settlement amounts and private banking information.
MOTORTECH GmbH et al. v.--
MOTORTECH filed an unopposed motion asking the PTAB to treat its settlement with Altronic as business‑confidential information and keep it separate from the IPR record. The motion cites 35 U.S.C. § 317(b) and seeks limited access to the settlement documents.
MOTORTECH GmbH et al. v.--
MotorTech and Altronic have settled their dispute, prompting an unopposed motion to terminate the pending IPR on patent 7,401,603. The Board is asked to end the proceeding under 35 U.S.C. § 317.
LG Electronics, Inc. et al. v.Maxell, LTD.
LG Electronics and Maxell have reached a settlement in IPR2025-00444 and jointly moved to terminate the proceeding, requesting that the settlement be treated as business confidential information under statutory authority.
MOTORTECH GmbH et al. v.--
MotorTech and Altronic settled their IPR dispute before trial, resulting in the Board terminating the proceeding and keeping the settlement confidential.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
Zhuhai CosMX Battery seeks to invalidate Ningde Amperex’s 2023 lithium‑ion battery separator patent by alleging obviousness over multiple prior‑art references. The petition requests the PTAB to institute an IPR under Section 325(d).
MOTORTECH GmbH et al. v.--
Motortech has filed an IPR petition seeking cancellation of all 16 claims of U.S. Patent 7,401,603 covering capacitive discharge ignition systems. The petition argues obviousness over a 1992 research disclosure combined with prior patents Grather and Lepley‑I, and disputes any discretionary denial.
ResMed Corp. v.Cleveland Medical Devices, Inc.
ResMed has filed a petition for inter partes review seeking to invalidate claims 15‑29 of Cleveland Medical Devices’ ’333 patent covering networked CPAP therapy. The petition alleges obviousness over a combination of prior‑art references Toge, Kumar, Norman and Burton. No secondary considerations are offered and the Board is asked to institute the review.
Eunsung Global Corp. v.HydraFacial LLC et al.
Eunsung Global Corp. has filed an IPR petition seeking cancellation of all 17 claims of HydraFacial's microdermabrasion console patent, alleging obviousness over multiple prior‑art references. The petition argues the examiner never considered the cited combinations and that discretionary denial is unwarranted.
ResMed Corp. v.Cleveland Medical Devices, Inc.
ResMed has filed a petition for inter partes review of Cleveland Medical Devices’ ’029 PAP‑therapy patent, asserting that all 19 claims are obvious over prior‑art PAP devices and telemedicine systems.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
Zhuhai CosMX Battery Co., Ltd. successfully demonstrated a reasonable likelihood of success in its IPR against Ningde Amperex Technology Ltd.'s patent, focusing on obviousness under 35 U.S.C. § 103. The Board found that the petitioner adequately showed Murakami discloses key features and that combinations with Beard and Akiike were motivated and predictable.
ResMed Corp. v.Cleveland Medical Devices, Inc.
ResMed Corp. successfully convinced the PTAB to institute IPR proceedings against Cleveland Medical Devices regarding a patent covering sleep disorder treatment/CPAP systems. The Board found that ResMed demonstrated a reasonable likelihood of prevailing on Grounds 1-3, which centered on obviousness (35 U.S.C. § 103).
SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD. v.Wacom Co. Ltd.
Shenzhen Qianfenyi petitions the PTAB to invalidate Wacom’s 2018 stylus patent, asserting that its tilt‑detection claims are obvious over prior‑art Yoshida combined with either Ikeda or Iguchi. The petition lists two 35 U.S.C. §103 grounds covering 21 claims.
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