US PTAB Patent Cases
2,587 decisions indexed
Page 6 of 87 · 2,587 total
Juniper Networks, Inc. v.Monarch Networking Solutions LLC
Juniper Networks successfully petitioned to institute IPR against Monarch Networking Solutions LLC regarding packet switching claims (Claims 1 and 6). The Board found sufficient evidence of obviousness over combinations of prior art references, including Wainner/Bocci and Kamite/Bocci.
Western Digital Technologies, Inc. et al. v.Godo Kaisha IP Bridge 1
The PTAB found claims 1 and 2 unpatentable over the combination of Bowen and Parkin's prior art references. The Board concluded that combining these references taught all elements of the challenged claims, including a rationale for using amorphous, annealed CoFeB electrodes to achieve high TMR. Claims 3 and 4 were not found unpatentable.
Toyota Motor Corp. et al. v.Emerging Automotive LLC
The PTAB found that independent claim 10 and dependent claims 11, 13, 15, and 16 were anticipated by the prior art reference Xiao. While other combinations failed to meet obviousness standards due to insufficient rationale, the Board adopted a construction requiring a compatibility check during setting determination.
Luxottica of America Inc., et al. v.E-Vision Optics, LLC
The PTAB found all 26 challenged claims unpatentable based on obviousness (35 U.S.C. § 103). The Petitioner successfully demonstrated that the claimed features of smart eyewear were taught by combinations of prior art references, including Jannard, Rosenblatt, Chen, and Nielsen. This final decision significantly weakens the patent's validity in the wearable technology space.
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.
Texas Instruments Incorporated v.ParkerVision, Inc.
The PTAB found that dependent claims 19-21 were unpatentable over prior art references DeMaw and Macnally. The decision hinged on the petitioner's successful demonstration via computer simulation that routine circuit optimizations fell within the scope of the cited prior art.
Microchip Technology, Inc. v.Aptiv Technologies AG et al.
Microchip Technology successfully petitioned to institute trial on several claims of Aptiv Technologies' patent regarding USB Hub/Bridge Systems, overcoming initial objections from the Patent Owner. The Board adopted a judicial correction of Claim 13, revising 'hub' to 'host', which significantly shaped the scope of the dispute.
Samsung Electronics Co., Ltd. et al. v.Anonymous Media Research Holdings, LLC
Samsung Electronics' attempt to invalidate claims in the '849 patent failed at the PTAB. The Board denied institution, finding that the patent owner successfully established priority dating back to 2005, rendering the cited prior art ineffective against the challenged claims.
Google LLC v.Proxense, LLC
The PTAB found all 20 challenged claims unpatentable over various combinations of prior art references. The Board adopted the Petitioner's view that the terms used in the patent provided sufficiently definite structure and that the combination of existing technology rendered the claimed invention obvious.
Sony Interactive Entertainment Inc. et al. v.Resonant Systems, Inc.
Sony Interactive Entertainment's IPR challenge against Resonant Systems was denied by the PTAB, finding that Sony failed to demonstrate a reasonable likelihood of success on any challenged claim. The Board adopted the Patent Owner's view regarding the 'control component,' requiring an algorithmic structure for obviousness.
Amazon.com, Inc. et al. v.Nokia Technologies Oy
Amazon successfully challenged Nokia's video compression patent (8077991) in an IPR proceeding based on obviousness and anticipation grounds. The PTAB found a reasonable likelihood that Amazon would prevail, leading to the institution of trial on all contested claims.
Medtronic, Inc. v.Moskowitz Family LLC
The USPTO Board granted institution for IPR2026-00121, allowing Medtronic to challenge Moskowitz Family LLC's patent.
Wella Operations US LLC v.Olaplex, Inc.
The USPTO Office issued a notice detailing multiple institution decisions across various IPR and PGR proceedings.
Merck Sharp & Dohme LLC et al. v.The Johns Hopkins University
The PTAB issued a Final Written Decision finding multiple claims of the '975 patent unpatentable. The petitioner successfully demonstrated that the claimed methods and drug characteristics were anticipated (102) or rendered obvious (103) by prior art, primarily the MSI-H Study Record (MSR).
Monolithic Power Systems, Inc. v.Greenthread, LLC
Monolithic Power Systems challenged Greenthread's patent on obviousness (35 U.S.C. § 103) in a semiconductor device context. The Petitioner successfully argued that the claimed graded dopant profiles were rendered obvious by combinations of prior art references, leading to institution.
Abbott Diabetes Care Inc. et al. v.DexCom, Inc.
Abbott Diabetes Care Inc. successfully secured institutional status in an IPR against DexCom, Inc., regarding continuous glucose monitoring systems. The Board found sufficient evidence that prior art references anticipate or render obvious key claims related to transcutaneous sensors and drift profiles.
VIZIO, Inc. v.Multimedia Technologies Pte. Ltd.
The PTAB issued a Final Written Decision finding that all challenged claims (1-14) were patentable over the prior art. The Board adopted the Patent Owner's construction of key terms like 'based on,' requiring temporal dependency on currently displayed content.
DISH Network L.L.C. et al. v.Entropic Communications LLC
DISH Network L.L.C.'s attempt to invalidate 40 claims of Entropic Communications' patent (8363681) was denied by the PTAB. The Board found insufficient evidence that the claimed clock synchronization methods were obvious over prior art, including IEEE802.3ah and Shvodian.
Cox Communications, Inc. v.Entropic Communications LLC
Cox Communications' IPR challenge against Entropic Communications regarding network monitoring technology was denied by the PTAB. The Board found insufficient evidence to establish a reasonable likelihood of prevailing on grounds of obviousness over various prior art references.
Luxottica of America Inc. et al. v.E-Vision Optics, LLC
The PTAB found that the Petitioner successfully demonstrated unpatentability for a majority of challenged claims (Claims 1–9 and 12–19) based on anticipation and obviousness. The Board relied heavily on prior art references, notably Brunton, to establish these findings in the field of smart eyeglasses electronics integration.
Sony Corporation v.Optimum Imaging Technologies LLC
Sony Corporation successfully navigated the PTAB process, leading to the institution of IPR on all 27 challenged claims related to digital camera aberration correction. The Board found a reasonable likelihood that Sony's technology is unpatentable over prior art disclosures from Watanabe and others.
Samsung Electronics Co., Ltd. et al. v.Empire Technology Development LLC
The PTAB denied institution of an IPR challenging five claims related to channel estimation in MIMO systems. The Board found that the petitioner failed to demonstrate a reasonable likelihood of prevailing against obviousness grounds over multiple prior art references.
Cytek Biosciences, Inc. v.Beckman Coulter, Inc. et al.
The PTAB denied institution of a Post-Grant Review (PGR2025-00084) because the petitioner failed to demonstrate that any challenged patent claims were unpatentable.
Meta Platforms, Inc. v.Sitnet, LLC
The PTAB found that claims 12-21 of patent 8249932 were unpatentable under 35 U.S.C. § 103(a). The Petitioner successfully demonstrated obviousness by combining prior art references, specifically Amidon and Walsh, to teach the claimed targeted advertising system in situational networks.
Cisco Systems, Inc. v.Portsmouth Network Corporation
The PTAB rejected Cisco's IPR challenge against the '088 patent, finding no grounds for obviousness over prior art references Dziong and Sathyanath. The Board construed the key term "other connections" narrowly to mean established connections with allocated bandwidth, favoring the Patent Owner's interpretation.
VIZIO, Inc. v.Multimedia Technologies Pte. Ltd.
The PTAB found that multiple claims of the '805 patent were unpatentable based on obviousness (103), primarily over a combination of prior art references Melnychenko and Chen. Key claim constructions favored the Petitioner, particularly regarding 'pre-defined format' as merely an order of data/metadata.
Dyson Technology Limited et al. v.Omachron Intellectual Property Inc. et al.
Dyson Technology Limited successfully convinced the PTAB to institute trial against Omachron Intellectual Property regarding patent 10478030, which covers surface cleaning apparatus. The Board found sufficient evidence of anticipation and obviousness across multiple claims (1-13) based on prior art references including Peter, Neroni, and Butler.
BTL Industries, Inc. v.InMode Ltd.
The PTAB issued a final written decision rejecting all 58 claims of the patent owner's application. The Board found that the Petitioner failed to meet its burden of proof regarding obviousness over combinations of prior art references (Edwards, Mosher, Ingle, Ollivier).
Ericsson Inc. et al. v.XR COMMUNICATIONS LLC
The PTAB institution decision found a reasonable likelihood of prevailing for the Petitioner in its IPR against XR Communications LLC. The challenge focused on whether multi-beam directed signal systems were unpatentable under 35 U.S.C. § 103 using prior art references Agee and Butler.
ResMed Corp. v.Cleveland Medical Devices, Inc.
ResMed Corp. successfully petitioned for institution of its IPR against Cleveland Medical Devices, Inc.'s patent covering CPAP systems. The Board declined discretionary denial, finding that the petitioner adequately demonstrated a reasonable likelihood of prevailing on both 102 and 103 grounds.
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