US PTAB Patent Cases
2,587 decisions indexed
Page 7 of 87 · 2,587 total
Juniper Networks, Inc. v.Monarch Networking Solutions LLC
Juniper Networks challenges Monarch Networking Solutions' '844 patent, arguing that the claimed IPv4/IPv6 transition technology is obvious. The petition asserts that prior art references Li and Li-2 combine to teach the method of constructing an IPv6 address using a port number for multiplexing.
Shopify Inc. v.DKR Consulting LLC
The PTAB denied Shopify Inc.'s request to institute IPR against DKR Consulting LLC's '995 patent. The denial was based on administrative efficiency, as a District Court had already ruled all challenged claims invalid under 35 U.S.C. § 101.
Digital Global Systems, Inc. v.DeepSig, Inc.
Digital Global Systems successfully secured the institution of IPR against DeepSig's patent (11,018,704) over radio signal distortion correction claims, setting up a major technical dispute in cellular communications.
Good Sportsman Marketing, LLC v.--
Good Sportsman Marketing challenged Hangzhou ZH Tech's patent (11736855) in PGR, alleging obviousness and indefiniteness across 19 claims. The Board instituted the petition, finding a likelihood that at least one claim is unpatentable based on prior art combinations.
Samsung Electronics America, Inc. et al. v.Cobblestone Wireless LLC
The PTAB institution decision found a reasonable likelihood of success for Samsung Electronics America, Inc. in challenging Cobblestone Wireless LLC's patent (7924802). The Board preliminarily determined that the preamble 'in a wireless communication channel' is not limiting, allowing the IPR to proceed on grounds of obviousness (103) and anticipation (102).
Teladoc Health, Inc. v.Data Health Partners, Inc.
The PTAB issued a Final Written Decision finding that numerous claims of the patent were unpatentable based on obviousness. The Petitioner successfully demonstrated that various combinations of prior art references rendered the claimed features predictable to one skilled in the art.
Ericsson Inc. et al. v.XR COMMUNICATIONS LLC
The PTAB issued a Final Written Decision rejecting the petitioner's contentions that the patent was unpatentable over Agee or in combination with Butler. The Board found Petitioner failed to meet its burden of proof, specifically regarding how prior art disclosed critical signal processing limitations.
fuboTV Media Inc. et al. v.DISH Technologies L.L.C. et al.
Petitioner successfully demonstrated that all 16 claims of the '564 patent are unpatentable over prior art, primarily Leaning. The Board construed 'continuous playback' to mean no interruption occurs between files during a rate shift, finding this limitation was taught by Leaning.
Adobe Inc. v.Jaffe, Jonathan
Adobe Inc. successfully convinced the PTAB to institute an IPR against Jonathan E. Jaffe regarding image integrity patents (6757828). The Board found a reasonable likelihood of prevailing on obviousness over prior art, specifically Glass et al., leading to trial preparation.
Taiwan Semiconductor Manufacturing Company Limited v.Marlin Semiconductor Ltd. et al.
The Patent Trial and Appeal Board granted institution for multiple IPRs involving Taiwan Semiconductor Manufacturing Company Limited against Marlin Semiconductor Ltd., allowing the merits phase to proceed.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications, LLC filed a Petition challenging the validity of Entropic Communications' patent (US 11399206) in an IPR proceeding. The petitioner argues that the claimed wideband receiver methods are anticipated or rendered obvious by various prior art combinations.
BESTWAY (USA), INC. et al. v.Intex Marketing Ltd. et al.
Bestway challenged Intex's patent, but the PTAB denied institution because Intex had statutorily disclaimed all claims. The Board also declined to enter an adverse judgment against Intex.
Samsung Display Co., Ltd. et al. v.Pictiva Displays International Ltd.
Samsung Display Co., Ltd.'s IPR petition against Pictiva Displays International Ltd. was denied by the PTAB. The Board found that the petition lacked compelling merits and determined the dispute was better suited for District Court resolution due to complex claim construction issues.
Microsoft Corporation v.Proxense, LLC
The PTAB issued a Final Written Decision finding all 29 challenged claims unpatentable over the prior art. The Board found that Burger teaches limitations of Claim 1 across various transaction types, and combining Burger with Robinson or Orsini renders dependent claims obvious.
Ilooda Co., Ltd. et al. v.Serendia, LLC
Ilooda Co. challenges Serendia's patent (10869812) in an IPR based on anticipation and obviousness, focusing on microneedling technology. The petitioner argues that prior art references like Mehta render multiple claims unpatentable through various combinations of elements.
fuboTV Media Inc. et al. v.DISH Technologies L.L.C. et al.
The PTAB found that all 21 challenged claims of DISH Technologies L.L.C. were unpatentable by a preponderance of the evidence. The Board determined that prior art, specifically Leaning and Gamble, taught or rendered the claimed Adaptive Bitrate Streaming (ABR) technology obvious.
Apple Inc. v.Varia Holdings LLC
The PTAB found all 39 claims of patent 8127984 unpatentable under 35 U.S.C. § 103(a). The Board concluded that the claimed 'functional emulation' was obvious when combining prior art references like Willgert and Mooney.
Microsoft Corporation v.Proxense, LLC
Microsoft Corporation successfully petitioned for IPR against Proxense, LLC's patent (8646042) based on obviousness grounds. The Board granted institution after finding a reasonable likelihood of prevailing on multiple combinations of prior art references.
Shopify Inc. v.DKR Consulting LLC
Shopify's IPR challenge against DKR Consulting was denied by the PTAB. The Board cited a district court ruling that found all challenged claims invalid under Section 101, prioritizing administrative efficiency.
R.J. Reynolds Vapor Company et al. v.Healthier Choices Management Corp.
R.J. Reynolds Vapor Company successfully petitioned to institute IPR against Healthier Choices Management Corp.'s electronic cigarette patent (9538788), arguing the claims are obvious in light of prior art.
Alamar Biosciences, Inc. v.Olink Proteomics AB et al.
Alamar Biosciences challenged Olink Proteomics' patent on grounds of obviousness (103), leading the PTAB to institute proceedings for claims 1-20. The Board found sufficient evidence that at least some claimed inventions are unpatentable, initiating a trial phase.
Microsoft Corporation v.Proxense, LLC
Microsoft Corporation successfully convinced the PTAB that its biometric authentication claims were not obvious over prior art, leading to the institution of the IPR. The Board found a reasonable likelihood of prevailing on at least one challenged claim, allowing the case to proceed to trial.
Dental Imaging Technologies Corporation et al. v.3Shape A/S
Dental Imaging Technologies Corporation's IPR petition against 3Shape A/S was denied institution by the PTAB. The Board found that despite some arguments, the similarities to prior proceedings and resource constraints warranted denial under discretionary authority.
Azurity Pharmaceuticals, Inc. v.EXELIXIS, INC.
Azurity Pharmaceuticals failed to convince the PTAB that EXELIXIS's drug formulation patent was unpatentable, resulting in a denial of institution for IPR2025-00210. The Board rejected anticipation arguments based on prior art family relationships and dismissed obviousness claims regarding impurity control.
Google LLC v.DH International Ltd.
The PTAB issued a Final Written Decision finding that all 20 claims of the '294 patent were unpatentable over prior art references Mooney and Lee. The Board successfully construed key terms like 'activation cue' functionally, agreeing that a quality Bluetooth signal satisfies this requirement.
VIZIO, Inc. v.Multimedia Technologies Pte. Ltd.
VIZIO challenges Multimedia Technologies' patent via an IPR petition, asserting multiple grounds of obviousness (103). The challenger combines several prior art references—including Melnychenko and Chen—to argue that the claimed metadata management features are predictable to a POSITA.
Arla Foods amba v.Leprino Foods Company et al.
The PTAB granted institution for IPR2025-01199 involving Arla Foods amba and Leprino Foods Company et al., allowing the challenger to proceed with challenging patent 11825860.
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
The Board granted institution for the IPR against XiFi Networks' patent 11849337, allowing Samsung Electronics to proceed with its challenge, though the trial is currently stayed.
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
The Board granted institution for the IPR against XiFi Networks' patent 11818591, allowing Samsung to proceed with its challenge. The trial is currently stayed pending review by the Director.
Samsung Electronics Co., Ltd. et al. v.XiFi Networks R&D, Inc.
The USPTO granted institution for IPR2025-01205, allowing the challenge to proceed despite a stay pending related Director Reviews.
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