US PTAB Patent Cases
5,620 decisions indexed
Page 16 of 188 · 5,620 total
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
Samsung has filed an IPR petition seeking cancellation of 16 claims of Maxell’s U.S. 12,160,681 patent covering a wireless video‑transmitter system. The petition relies on five grounds of anticipation and obviousness using four prior‑art references.
Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.
The PTAB granted institution for IPR2025-01310 involving Samsung and Maxell. The Board found that the petitioner demonstrated a reasonable likelihood of prevailing on at least one challenged claim.
Atossa Therapeutics, Inc. v.Jina Pharmaceuticals, Inc.
Atossa Therapeutics and Jina Pharmaceuticals settled their PTAB post‑grant review before trial, leading to a joint motion that terminated the proceeding. The settlement agreement is to remain confidential per the parties' request.
Atossa Therapeutics, Inc. v.Jina Pharmaceuticals, Inc.
Atossa Therapeutics and Jina Pharmaceuticals have filed a joint request to keep their settlement agreement confidential and to terminate the pending post‑grant review of U.S. Patent No. 12,245,997. The parties cite statutory confidentiality protections and seek to keep the settlement separate from the PTAB file.
Atossa Therapeutics, Inc. v.Jina Pharmaceuticals, Inc.
Atossa Therapeutics and Jina Pharmaceuticals have settled their dispute over U.S. Patent 12,245,997 and filed a joint motion to terminate the post‑grant review. The motion relies on 35 U.S.C. § 327(a) and cites Board precedent for terminating settled proceedings.
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.
Halozyme, Inc. v.Alteogen Inc.
Halozyme has filed an IPR petition seeking cancellation of all 15 claims of Alteogen’s 2025 ‘638 patent covering a temperature‑shift method for producing recombinant hyaluronidase PH20. The petition relies on obviousness over prior art Wei and Zmuda, with a second ground adding Wei 2013.
Meta Platforms, Inc. v.SitNet, LLC
Meta Platforms successfully challenged all twenty claims of SitNet’s ’682 patent covering a situational network and roll‑call system. The Board held the claims obvious over the Burfeind and Crowley references under 35 U.S.C. §103. No claim construction was required.
Meta Platforms, Inc. v.SitNet, LLC
Meta Platforms successfully challenged SitNet’s ’932 patent covering situational‑network advertising. The PTAB found all ten challenged claims (12‑21) unpatentable under 35 U.S.C. § 103, citing obviousness over Amidon, Walsh, Shahine, and Jones. The decision finalizes the institution and cancellation of the claims.
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.
Merck Sharp & Dohme LLC v.Halozyme, Inc. et al.
Merck has filed a post‑grant review petition challenging Halozyme’s U.S. Patent 12,371,685 covering modified PH20 hyaluronidase proteins, asserting lack of written description and enablement.
Medtronic, Inc. v.Moskowitz Family LLC
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.
Medtronic, Inc. v.Moskowitz Family LLC
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.
Meta Platforms, Inc. v.SitNet, LLC
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.
Amazon.com Services LLC et al. v.HEADWATER RESEARCH LLC
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.
Medtronic, Inc. v.Moskowitz Family LLC
The USPTO granted institution for IPR2026-00124, allowing Medtronic to proceed with challenging Moskowitz Family LLC's patent.
Meta Platforms, Inc. v.SitNet, LLC
The USPTO denied institution for IPR2026-00112 after reviewing the merits, finding that Meta Platforms failed to show a reasonable likelihood of prevailing against SitNet's patent.
American Airlines, Inc. et al. v.Intellectual Ventures II LLC
The PTAB denied American Airlines and Southwest Airlines’ petition to institute an IPR against Intellectual Ventures’ ’326 patent covering high‑data‑rate multi‑channel WLAN. The Board found no reasonable likelihood of success on any of the 18 challenged claims.
Tesla, Inc. v.Perceptive Automata LLC
Tesla has filed an IPR petition seeking cancellation of all 23 claims of Perceptive Automata’s autonomous‑vehicle patent, asserting that the claims are obvious over prior‑art machine‑learning and sensor‑fusion publications such as Djuric, Zhu, Cox, and Ross.
Amazon Web Services, Inc. et al. v.Ziklag IP LLC
Amazon Web Services has filed an IPR petition challenging 12 claims of a 2001 music‑distribution patent, asserting that the claims are obvious in view of earlier cable‑distribution patents (Yurt and Logan). The petition seeks cancellation of the claims under 35 U.S.C. §103.
Fortinet, Inc. v.Netskope, Inc.
Fortinet has filed an IPR petition against Netskope’s ’336 patent covering network‑access redirection. The challenger contends that all 20 claims are anticipated or obvious over Subbiah and, for dependent claims, over Hinton and Crandell. Fortinet seeks institution and cancellation of the claims.
Generac Power Systems, Inc. v.PSLC LLC
Generac Power Systems has filed an IPR petition seeking to invalidate 27 claims of U.S. Patent 11,967,857 covering backup‑power load control. The petition relies on obviousness over a combination of four prior‑art references and defines key terms to support its position.
Cisco Systems, Inc. v.Dynamic Mesh Networks, Inc.
Cisco Systems has filed an IPR petition seeking to invalidate Dynamic Mesh Networks' 8,520,691 patent covering a structured wireless mesh network. The petition alleges obviousness over five prior‑art references and requests the Board to institute a trial and cancel the claims.
Tesla, Inc. v.Perceptive Automata LLC
The PTAB granted institution for IPR2025-01577 involving Tesla and Perceptive Automata LLC. The Board found that the petitioner had a reasonable likelihood of prevailing on at least one challenged claim.
Hisense USA Corp. et al. v.Light Guide Innovations LLC
Hisense has filed an IPR petition seeking cancellation of 22 claims of Light Guide Innovations' U.S. Patent 8,408,778 covering LED backlighting technology. The petition alleges obviousness over a combination of prior art references such as Asada, Kinoshita, Ashdown, Cho and Dejima. The Board has yet to decide whether to institute the review.
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
The PTAB denied XiFi Networks’ request for Director Review to overturn the institution of Samsung’s Wi‑Fi patent, finding no good cause for a deadline extension and insufficient explanation of differing claim constructions.
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
XiFi Networks seeks an out‑of‑time Director Review to vacate the institution of eleven IPRs and PGRs against Samsung, arguing that Samsung’s contradictory claim‑construction positions in district court and before the PTAB violate recent Revvo precedent.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC
BOE Technology and Paneltouch Technologies have settled IPR2025-01245. The parties filed a joint motion to keep the settlement agreement confidential and separate from the public docket.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC
BOE Technology Group and Paneltouch Technologies have settled their dispute over U.S. Patent 9,250,758. The parties filed a joint motion to terminate the IPR proceeding, citing the settlement and judicial economy.
BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC
BOE Technology Group and Paneltouch Technologies settled their IPR dispute over U.S. Patent 8,803,836. The Board granted a joint motion to terminate the three inter partes review proceedings and kept the settlement agreement confidential.
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