US PTAB Patent Cases
8,722 decisions indexed
Page 153 of 291 · 8,722 total
Garmin International, Inc. v.Cardiacsense LTD
The PTAB denied Dexcowin Global’s inter partes review petition against Aribex’s portable x‑ray device patent, finding no reasonable likelihood of success on any claim. The Board rejected anticipation and obviousness arguments centered on a continuous high‑voltage DC power limitation.
Digital Global Systems, Inc. v.DeepSig Inc.
Digital Global Systems seeks Director Review of the PTAB’s denial to institute an IPR on its AI‑driven radio‑signal patent. The petitioner argues the Board misread claim language, requiring a modeled signal, and that the Jüschke and Holt references satisfy the statutory standard.
Garmin International, Inc. v.Cardiacsense LTD
Garmin and CardiacSense have settled their IPR dispute over U.S. Patent 7,980,998 and jointly request the Board keep the settlement agreement confidential, effectively moving to terminate the proceeding.
Digital Global Systems, Inc. v.DeepSig Inc.
The USPTO denied Digital Global Systems' request for Director Review of the decision that refused to institute its IPR against DeepSig. The denial leaves the original institution denial in place.
Digital Global Systems, Inc. v.DeepSig Inc.
Digital Global Systems petitions the PTAB to invalidate DeepSig’s 11,777,540 patent, asserting that its AI‑driven radio‑predistortion claims are obvious over earlier disclosures by Jüschke, Holt, and Dzierwa. The petition outlines three statutory grounds under 35 U.S.C. §103 and urges institution of the review.
Garmin International, Inc. v.Cardiacsense LTD
Garmin has filed an IPR petition challenging Cardiacsense’s ’998 patent covering swimming‑watch technology. The petition alleges lack of written description for a compass and obviousness over multiple prior‑art references.
Green Revolution Cooling, Inc. v.Midas Green Technologies, LLC
Green Revolution Cooling petitions the PTAB to invalidate claims 1‑16 of U.S. Patent 10,405,457, arguing obviousness over Best‑2008 combined with Osada and Best‑2012, and asserting that discretionary denial is unwarranted.
Green Revolution Cooling, Inc. v.Midas Green Technologies, LLC
The Director denied the institution of an IPR for Midas Green Technologies against Green Revolution Cooling, citing Fintiv factors and concerns over parallel proceedings.
Green Revolution Cooling, Inc. v.Midas Green Technologies, LLC
Green Revolution Cooling, Inc. successfully secured institution at the PTAB against Midas Green Technologies, LLC regarding claims covering appliance immersion cooling systems. The Board found that the petitioner met the burden of proof for obviousness under 35 U.S.C. § 103 based on prior art references Best-2008 and Osada.
Garmin International, Inc. v.Cardiacsense LTD
Garmin International successfully navigated the initial stages of its IPR challenge against Cardiacsense LTD's '998 patent, establishing a reasonable likelihood of prevailing on several grounds. The Board found that certain claims were not entitled to an earlier effective filing date due to insufficient written description support for a compass feature in prior applications.
Digital Global Systems, Inc. v.DeepSig Inc.
The PTAB denied institution of an IPR challenge against DeepSig Inc.'s radio communication patent (11,777,540) filed by Digital Global Systems, citing insufficient evidence that the claims were obvious over prior art.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies (YMTC) filed an authorized response to Micron’s Director Review request, arguing the PTAB correctly upheld YMTC’s eligibility to pursue IPRs and rejected Micron’s Return Mail arguments. The Board is urged to deny Micron’s request for discretionary denial.
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
Micron has filed a Request for Director Review seeking to overturn the Board’s decision to institute an IPR against YMTC, arguing the Chinese state‑owned firm is not a “person” under 35 U.S.C. §311 and that the Board should have exercised discretionary denial under §314(a).
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
Micron’s request to overturn the institution of an IPR against Yangtze Memory Technologies was denied. The Board affirmed YMTC’s eligibility as a petitioner and found no RPI issues or grounds for discretionary denial.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
Micron has filed a Director Review request to overturn the PTAB’s institution of an IPR against its 3D NAND patent, arguing YMTC lacks standing and the Board should have exercised discretionary denial.
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
The PTAB granted a Director Review of the institution decision in Micron's IPR against Yangtze Memory, staying the proceedings while the Board reconsidered challenges related to foreign sovereign control and RPI disclosure.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
Court decision.
Azurity Pharmaceuticals, Inc. v.EXELIXIS, INC.
Azurity Pharmaceuticals has filed an IPR petition seeking cancellation of claims 1‑3 of Exelixis’s U.S. Pat. 11,298,349 covering oral cabozantinib (L)-malate formulations. The petition alleges anticipation by the earlier Wilson patent and obviousness over Brown, Kubo and Remington, while arguing that discretionary denial factors do not apply.
Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.
Innoscience seeks to invalidate all 17 claims of Infineon’s 8,686,562 patent covering III‑V semiconductor electrical contacts, arguing they are anticipated or obvious over four prior‑art references.
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies has filed an IPR petition against Micron’s 8,945,996 patent covering 3D NAND memory fabrication, asserting anticipation and obviousness over four prior‑art references and arguing that PTAB discretion does not apply.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies has filed an IPR petition challenging Micron's 3D NAND patent (US 10,872,903). The petition asserts anticipation and obviousness over Ahn, Ishikawa, and Fukuzumi prior art and argues that the Board should not exercise discretionary exclusions.
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.
Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.
The PTAB instituted the IPR challenge by Innoscience America against Infineon Technologies' patent covering semiconductor devices. The Board found a reasonable likelihood of anticipation for several claims over the prior art reference Usui, while also finding merit in the obviousness arguments.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies (YMTC) successfully petitioned to challenge Micron Technology's patent, leading the Board to institute the IPR. The petitioner argued that prior art disclosed or suggested key elements of flash memory technology. This decision allows YMTC to proceed with challenging claims related to semiconductor device structures.
YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.
The PTAB denied institution of an IPR challenge against Micron by Yangtze Memory Technologies because the Petitioner failed to satisfy its statutory duty to identify all Real Parties in Interest (RPIs).
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
The PTAB denied IPR petitions filed by Yangtze Memory Technologies (YMTC) against Micron. The denial was based not on patentability, but on YMTC's failure to satisfy its statutory duty to identify all Real Parties in Interest.
Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.
Yangtze Memory Technologies Company successfully convinced the PTAB to institute proceedings against Micron Technology for patent infringement. The Board found that Petitioner showed a reasonable likelihood of prevailing on at least one claim, despite arguments regarding foreign state actor status and RPI issues.
Google LLC et al. v.Mullen Industries LLC
The PTAB denied Google’s request to institute an IPR against Mullen Industries’ OLED display patent, citing overlapping district‑court litigation and weak petition merits. The Director’s discretionary denial under 35 U.S.C. § 314(d) was upheld.
Google LLC et al. v.Mullen Industries LLC
Google has filed a petition for rehearing after the PTAB Director denied institution of its IPR against Mullen Industries’ 2021 wireless‑location patent. The petition argues the denial misapplied Fintiv factors, ignored a Sotera stipulation, and relied on a rescinded guidance memo.
Google LLC et al. v.Mullen Industries LLC
The PTAB denied Samsung Display’s petition to review Pictiva’s ‘547 patent, finding no compelling unpatentability arguments and applying pre‑AIA §102(b) to deem the Igarashi reference prior art.
Dealing with a patent challenge?
Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.