US PTAB Patent Cases
8,574 decisions indexed
Page 142 of 286 · 8,574 total
US Conec Ltd. v.Senko Advanced Components, Inc.
US Conec Ltd. and Senko Advanced Components have settled their IPR dispute over U.S. Patent 11,307,369. They jointly request the settlement be kept confidential and move to terminate the IPR.
Sarepta Therapeutics, Inc. et al. v.Genzyme Corporation et al.
Sarepta Therapeutics has filed an IPR petition challenging Genzyme’s ’894 patent covering analytical ultracentrifugation methods for AAV vectors. The petitioner asserts that the claims are obvious in view of long‑standing literature (de la Maza) and the Le Bec patent, combined with Sommer and Cole. The petition seeks institution and cancellation of claims 1‑7 and 10‑30.
Entegris, Inc. v.--
Entegris has filed a PGR petition challenging U.S. Patent 12,347,711, which covers a wafer‑container gas diffusion device. The company alleges anticipation, obviousness, and indefiniteness over its own prior‑art references and seeks cancellation of all 31 claims.
Eoptolink Technology USA Inc. et al. v.Applied Optoelectronics, Inc.
Eoptolink has filed an IPR petition seeking cancellation of all twelve claims of Applied Optoelectronics' 10,578,818 optical transceiver patent, asserting anticipation and obviousness over Wang, Koutrokois, and Tsai references.
Apple Inc. v.IngenioSpec, LLC
Apple has filed an IPR petition seeking to invalidate all 25 claims of IngenioSpec’s ’599 patent covering wireless audio eyeglasses, arguing the claims are obvious over several prior‑art patents and lack a valid priority date.
Amazon.com Services LLC et al. v.HEADWATER RESEARCH LLC
Amazon has filed an IPR petition seeking to invalidate 15 claims of Headwater’s 9,615,192 patent covering a message‑link server for MMS. The petition relies on a broad set of prior‑art references, arguing that the claimed features are obvious. No Board decision has been issued yet.
Magnolia Medical Technologies, Inc. v.Kurin, Inc.
Magnolia Medical Technologies petitions the PTAB to invalidate claims 1‑24 of Kurin’s blood‑sample optimization device, asserting that the Bullington800 publication (alone and combined with Brancazio and Liu) anticipates or makes the claims obvious. The petition seeks institution and cancellation of all challenged claims.
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
TSMC and Apple have filed an IPR petition challenging MYW Semitech’s 11,538,763 chip‑package patent, asserting that all 23 claims are obvious over multiple prior‑art references. The petition seeks to invalidate the patent before the PTAB.
Merck Sharp & Dohme LLC v.Surrozen Operating, Inc. et al.
Merck has filed a post‑grant review petition challenging U.S. Patent 12,297,278 covering broad tetravalent Wnt‑surrogate antibodies. The petition asserts lack of written description, enablement, indefiniteness, and anticipation by the Garcia publication.
Google LLC v.SoundClear Technologies LLC et al.
Google has filed an IPR petition seeking to invalidate claims 1‑7 of SoundClear’s ’675 patent, arguing they are obvious over multiple prior‑art references. The petition outlines seven distinct obviousness grounds and argues against discretionary denial.
Bicara Therapeutics, Inc. v.The John Hopkins University et al.
Bicara Therapeutics has filed a PTAB Post‑Grant Review petition seeking cancellation of all nine claims of Johns Hopkins' 2025 antibody‑fusion protein patent, alleging lack of written description, lack of enablement, and improper claim dependency.
Viance, LLC v.Koppers Performance Chemicals, Inc.
Viance, LLC has filed a post‑grant review petition seeking cancellation of all 27 claims of Koppers' wood preservative patent (US 12,370,716), alleging lack of written description and that the claims are anticipated or obvious over multiple prior‑art references.
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
TSMC and Apple have filed an IPR petition challenging 27 claims of MYW Semitech’s chip‑package patent. The petition alleges obviousness over several prior‑art references covering interposer and bump technologies.
GE Healthcare Ltd. et al. v.The Johns Hopkins University et al.
GE Healthcare petitions to invalidate Johns Hopkins’s 11,938,201 patent covering FAP‑targeting radiopharmaceuticals, arguing that claims 1‑3 are obvious over US‑633, US‑121, Meletta and Jansen references.
Bird Buddy, Inc. v.Perkins, Frederick
Bird Buddy files an IPR petition challenging six claims of its ‘242 smart bird‑feeder patent, asserting that all claim elements are disclosed in earlier bird‑feeder and electronics references.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
TSMC has filed an IPR petition seeking cancellation of all 22 claims of Marlin Semiconductor’s ’194 patent covering MOS transistor fabrication. The petition alleges anticipation and obviousness over three prior‑art references: Hoentschel262, Wang407, and Wang753.
Taiwan Semiconductor Manufacturing Company Limited v.Marlin Semiconductor Ltd. et al.
TSMC has filed a petition to invalidate Marlin Semiconductor’s 9,318,609 FinFET patent, asserting that all ten claims are anticipated or obvious over earlier TSMC patents and related publications. The petition lists multiple grounds under §§102 and 103, relying on Xu, Ching, and Huang references.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Limited et al.
TSMC has filed an IPR petition against Marlin Semiconductor’s U.S. Pat. 7,288,822, asserting that all fourteen claims are unpatentable. The petition relies on five prior‑art references to argue obviousness and anticipation under §§ 102 and 103.
Paragon 28, Inc. v.TREACE MEDICAL CONCEPTS, INC.
Paragon 28, an affiliate of Zimmer Biomet, petitions the PTAB to invalidate all 30 claims of Treace’s ’481 bunion‑correction patent, asserting that the claimed methods are obvious over multiple prior‑art surgical references.
National Beef Packing Company, LLC v.Institute for Environmental Health, Inc.
National Beef Packing and Institute for Environmental Health settled their inter partes review of U.S. Patent 7,534,584. The Board terminated the proceeding without a merits decision, granting confidentiality for the settlement.
NRG Energy, Inc. et al. v.Malikie Innovations Ltd.
Vivint Smart Home and NRG Energy have filed an IPR petition seeking to invalidate all twenty claims of Malikie Innovations’ ’756 patent covering IoT software‑update control, citing obviousness over the Storto and Won publications.
Paragon 28, Inc. v.TREACE MEDICAL CONCEPTS, INC.
Paragon 28 seeks to invalidate all 30 claims of Treace's bunion‑correction patent, alleging lack of written description, enablement, and obviousness over prior‑art guides and textbooks.
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
Westinghouse (Wabtec) petitions the PTAB to invalidate Railware’s 9,517,782 patent covering a railway block‑release system, arguing the claims are obvious over public FRA reports and several secret‑code patents.
Eoptolink Technology USA Inc. et al. v.Applied Optoelectronics, Inc.
Eoptolink has filed an IPR petition seeking cancellation of claims 1‑9 and 15‑19 of Applied Optoelectronics’ ’890 patent, asserting anticipation and obviousness based on Takashi, Sato, and Ho references. The petition emphasizes that the claimed TOSA features were known in the industry prior to filing.
Taiwan Semiconductor Manufacturing Company Ltd. et al. v.MYW Semitech, LLC
TSMC and Apple have filed an IPR petition challenging U.S. Patent 11,107,768, asserting that all 28 claims are obvious over multiple prior‑art references covering chip‑package technology.
Atossa Therapeutics, Inc. v.Jina Pharmaceuticals, Inc.
Atossa Therapeutics has filed a Post‑Grant Review petition challenging Jina Pharmaceuticals’ 2025 patent on an endoxifen method for bipolar I disorder. The petition alleges lack of written description, enablement, indefiniteness, and anticipation by prior‑art Ahmad 2016. The case is pending institution.
Xingmai Innovation Technology (Suzhou) Co., Ltd. d/b/a Beatbot, Beatbot Technology (USA) Co., Ltd. et al. v.AIPER GLOBAL PTE. LTD.
Beatbot seeks a post‑grant review of U.S. Patent 12,221,196 covering a pool‑cleaning robot with buoyancy‑control features. The petition alleges obviousness over multiple prior‑art references and indefiniteness of key claim terms. The Board must decide whether to institute the review.
Univacco Technology Inc. v.LEONHARD KURZ Stiftung & Co., KG
Univacco Technology Inc. has filed a Post‑Grant Review petition seeking cancellation of 20 claims of the ‘935 decorative‑foil patent, alleging lack of enablement, insufficient written description, and indefiniteness. The petition relies on extensive expert analysis of the patent’s functional language and missing test protocols.
Samsung Electronics Co., Ltd. et al. v.Network-1 Technologies, Inc.
Samsung has filed an IPR petition seeking cancellation of all 20 claims of Network‑1’s U.S. Patent 11,606,204, alleging obviousness over a suite of prior‑art references covering mobile authentication and key‑exchange techniques.
Terumo BCT, Inc. v.Haemonetics Corporation
Terumo BCT has filed an IPR petition challenging all 30 claims of Haemonetics’ plasma‑collection patent, arguing they are obvious over the Lavender and Fletcher‑Haynes systems (and Min for a subset). The petition relies on detailed algorithmic comparisons and cites §103 unpatentability.
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