US PTAB Patent Cases
8,574 decisions indexed
Page 234 of 286 · 8,574 total
Caption Health, Inc. et al. v.University of British Columbia
Caption Health, Inc.'s IPR challenge against the University of British Columbia's patent was denied by the PTAB. The Board found that the combination of prior art references failed to teach or suggest critical elements related to quality assessment in echocardiographic image analysis.
American Airlines, Inc. et al. v.Intellectual Ventures I LLC
American Airlines and Southwest Airlines failed to institute their IPR against Intellectual Ventures' patent, as the Board found they could not meet the burden of proof regarding claim construction and obviousness. The denial hinged on the Petitioner’s failure to clearly articulate how it would construe key indefinite terms in its petition.
TikTok Inc. v.DiStefano Website Innovations, LLC
Institution of IPR2025-01061 was granted by the USPTO, allowing the challenge to proceed despite a stay on related proceedings.
FreightCar America, Inc. v.National Steel Car Limited
The PTAB instituted review of IPR2025-01047 regarding the hopper car design patent (8132515). The Board found Petitioner demonstrated a reasonable likelihood of prevailing on all 44 challenged claims based on obviousness (§ 103).
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
The PTAB denied institution of an IPR challenge brought by Taiwan Semiconductor Manufacturing Company Ltd. against Marlin Semiconductor Ltd., finding the petitioner failed to demonstrate a reasonable likelihood of prevailing on the merits.
FreightCar America, Inc. v.National Steel Car Limited
FreightCar America, Inc. successfully challenged National Steel Car Limited's patent claims in an IPR proceeding. The Board found a reasonable likelihood of prevailing on independent claim 2 based on obviousness over prior art references. This decision keeps the dispute alive for trial on several key claims.
Samsung Electronics Co., Ltd. et al. v.Wilus Institute of Standards and Technology Inc.
Samsung Electronics successfully secured the institution of an IPR against Wilus Institute's patent, challenging claims related to OFDMA scheduling and parameter switching.
Samsung Electronics Co., Ltd. et al. v.Wilus Institute of Standards and Technology Inc.
Samsung successfully secured the institution of IPR against Wilus regarding a wireless communication patent, challenging claims 1-10 based on obviousness. The Board found sufficient evidence that Samsung could prevail.
Solventum Corporation v.Wound Healing Technologies Corp.
The PTAB granted institution for IPR2025-01042, allowing Solventum Corporation to challenge Wound Healing Technologies Corp.'s patent 10639404 after finding a reasonable likelihood of prevailing.
Geotab Inc. et al. v.Fractus, S.A.
The PTAB has instituted an IPR challenge against Fractus's patent covering antenna design/MFWD technology. Petitioner Geotab Inc. et al. asserted grounds of anticipation (102) and obviousness (103), challenging 20 claims based on prior art including Dou, Jing, and Baliarda-543. The Board found a reasonable likelihood of prevailing for the petitioner, moving forward with the trial preparation phase.
Geotab Inc. et al. v.Fractus, S.A.
The PTAB institution decision found a reasonable likelihood of prevailing for the petitioner in its challenge to patent 11031677, which covers multifunction wireless devices and antenna design. The grounds included anticipation (103) and written description/enablement issues related to prior art like Baliarda-543.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB institution decision in this IPR found that the petitioner met its burden of showing a reasonable likelihood of prevailing on at least claim 1. The dispute centers on obviousness (35 U.S.C. § 103) regarding medical devices used for aspirating clot material from blood vessels.
Samsung Electronics Co., Ltd. et al. v.CM HK LIMITED
Samsung Electronics successfully navigated a PTAB institution challenge against CM HK LIMITED regarding motion sensing technology. The Board found reasonable likelihood of prevailing on key claims based on obviousness (103).
Imperative Care, Inc. v.Inari Medical, Inc. et al.
Imperative Care successfully met the institution burden in its IPR against Inari Medical's '333 patent, establishing a reasonable likelihood of prevailing on key claims. The Board found that combining prior art references like Laub and Garrison renders the claimed thromboembolism treatment systems obvious under 103.
ROBE lighting s.r.o. v.Guangzhou Haoyang Electronic Co., Ltd.
ROBE lighting s.r.o. successfully petitioned to institute IPR against Guangzhou Haoyang Electronic Co., Ltd.'s patent, alleging anticipation and obviousness regarding light fixture sealing systems. The Board found a reasonable likelihood that the '373 patent is unpatentable based on prior art reference Jurik.
Google LLC v.Sandpiper CDN, LLC
Google LLC successfully convinced the PTAB that its claims against Sandpiper CDN, LLC were likely unpatentable under both anticipation (102) and obviousness (103). The Board granted trial, finding a reasonable likelihood of prevailing on multiple grounds.
Snap Inc. et al. v.Nokia Technologies Oy
The USPTO denied institution for several IPR petitions filed by Snap Inc. against Nokia Technologies Oy, meaning no trial will proceed.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
Imperative Care successfully challenged the patentability of Inari Medical's hemostasis valve claims before the PTAB, leading to institution on grounds of anticipation and obviousness. The Board focused heavily on claim construction, ultimately defining 'filament' as a flexible length of material necessary for the device function. This decision sets important precedent regarding functional limitations in medical device patents.
Samsung Electronics Co., Ltd. et al. v.Wilus Institute of Standards and Technology Inc.
Samsung Electronics Co., Ltd. successfully petitioned for institution in an IPR against Wilus Institute of Standards, challenging 14 claims related to LTE/5G signal processing. The Board found a reasonable likelihood that key claims are unpatentable based on prior art references like Josiam and Kim.
American Airlines, Inc. et al. v.Intellectual Ventures I LLC
The PTAB denied the IPR petition filed by American Airlines and Southwest Airlines against Intellectual Ventures I LLC, finding that the petitioner failed to establish a reasonable likelihood of prevailing. The Board specifically rejected arguments regarding obviousness over combinations of prior art references like Lawson, Tsutsumitake, and Choquier in the dynamic routing network space.
Samsung Electronics Co., Ltd. et al. v.Wilus Institute of Standards and Technology Inc.
The PTAB denied institution for Samsung's IPR against Wilus, citing the petitioner's failure to justify inconsistent claim construction arguments made in district court and before the Board.
Google LLC v.Sandpiper CDN, LLC
Google LLC successfully convinced the PTAB to institute IPR against Sandpiper CDN's patent 8478903, asserting that the core technology was obvious over prior art like Kenner.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
The Director denied the institution of IPR2025-00959, vacating a prior decision because Carbyne failed to explain inconsistencies in its claim construction arguments between district court and PTAB.
Straumann USA, LLC et al. v.Smart Denture Conversions, LLC.
Straumann USA, LLC successfully petitioned against Smart Denture Conversions, LLC's patent, leading to institution of IPR proceedings. The Board found a reasonable likelihood that claims are unpatentable under both anticipation (102) and obviousness (103).
Carbyne, Inc. et al. v.Tritech Software Systems et al.
Carbyne successfully instituted IPR proceedings against Tritech Software Systems regarding emergency SMS/geolocation technology. The Board found a reasonable likelihood of prevailing on multiple grounds of obviousness (103) over various combinations of prior art references, including Brooks and SARLOC.
Generac Power Systems, Inc. et al. v.Champion Power Equipment, Inc.
The Director denied institution of IPRs against Champion Power Equipment because Generac Power Systems presented inconsistent arguments regarding the claim terms 'desired pressure' and 'selector switch' in parallel litigation.
Generac Power Systems, Inc. et al. v.Champion Power Equipment, Inc.
Generac Power Systems successfully convinced the PTAB to institute IPR proceedings against Champion Power Equipment, Inc., regarding a dual-fuel generator control system. The Board found sufficient showing of obviousness and anticipation across multiple grounds using prior art references like DuroMax and De Vries.
AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.
AZURITY PHARMACEUTICALS successfully convinced the PTAB that multiple claims of Helsinn Healthcare's anti-emetic patent were unpatentable. The Board granted institution based on obviousness (103) over several prior art references, paving the way for a full trial.
AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.
AZURITY PHARMACEUTICALS successfully petitioned to institute IPR against Helsinn Healthcare's '515 patent covering anti-emetic agents. The Board found a reasonable likelihood of prevailing based on obviousness (103) and prior art, allowing the challenge to proceed.
AZURITY PHARMACEUTICALS, INC. v.Helsinn Healthcare S.A.
AZURITY PHARMACEUTICALS successfully convinced the PTAB to institute IPR proceedings against Helsinn Healthcare S.A.'s patent covering anti-emetic agents for oncology treatment. The Board found a reasonable likelihood that numerous claims would be unpatentable under 35 U.S.C. § 103 based on prior art references.
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