Power electronics — US PTAB Patent Cases
22 decisions indexed
Page 1 of 1 · 22 total
Generac Power Systems, Inc. v.PSLC LLC
Generac Power Systems petitions the PTAB to invalidate PSLC’s ’857 microgrid load‑control patent, asserting that the claims are obvious over a combination of prior‑art references covering frequency‑based load shedding.
Innoscience America, Inc. et al. v.Infineon Technologies Austria AG
Innoscience seeks to invalidate all 17 claims of Infineon’s GaN power transistor patent, arguing that the claims are obvious over a combination of Nega, Roberts, Otremba and Liu references. The petition also challenges discretionary denial under §314(a) and §325(d).
Innoscience America, Inc. et al. v.Infineon Technologies Austria AG
Innoscience America petitions the PTAB to invalidate all 17 claims of Infineon's GaN transistor packaging patent, arguing obviousness over multiple prior‑art references and challenging a discretionary denial under §314(a).
Monolithic Power Systems, Inc. v.Reed Semiconductor Corp.
Monolithic Power Systems filed an IPR petition seeking to invalidate four claims of Reed Semiconductor’s ’955 patent as obvious over multiple prior‑art references.
Anker Innovations Ltd. v.Powermat Technologies Ltd.
Anker Innovations Ltd. has filed an IPR challenging Powermat Technologies Ltd.'s patent covering Inductive Power Transfer technology. The petition asserts that several claims are unpatentable based on anticipation and multiple combinations of obviousness involving prior art references.
Anker Innovations Ltd. v.Powermat Technologies Ltd.
Anker Innovations challenges Powermat Technologies' patent 9,083,204 regarding inductive charging technology. The petition asserts that the claims are anticipated or rendered obvious by various prior art references, including Onishi and Purdy.
Hoymiles USA, Inc. et al. v.CyboEnergy, Inc.
Hoymiles USA challenges CyboEnergy’s grid-connected inverter patents under 35 U.S.C. § 103, arguing the claimed technology is obvious.
Reed Semiconductor Corporation v.Monolithic Power Systems, Inc.
Reed Semiconductor Corporation challenged Monolithic Power Systems' '608 Patent, asserting that claims related to bootstrap refresh control circuits for DC-DC voltage converters are invalid under 35 U.S.C. §§ 102 and 103. The petitioner relies heavily on prior art references, including TI data sheets and patents by Galinski, Li, and Wong, to demonstrate anticipation and obviousness.
Anker Innovations Limited v.Powermat Technologies Ltd.
Anker Innovations Limited challenged U.S. Patent No. 9,048,696 in the PTAB, asserting that the claims related to inductive power transfer systems are obvious under 35 U.S.C. § 103. The petition combines multiple prior art references (Onishi, Flowerdew, Partovi, Baarman392, Tocci) to demonstrate predictability in alignment and frequency modulation technology.
Vicor Corporation v.Delta Electronics, Inc.
Vicor Corporation requests Director Review of PTAB’s denial to institute an IPR against Delta Electronics’ 10,877,534 patent covering stacked power converters. The petition argues the Board improperly relied on expert testimony about heat‑dissipation without objective evidence, contrary to prior art.
Vicor Corporation v.Delta Electronics, Inc.
The USPTO denied Vicor Corporation’s request for Director Review of the institution decisions in IPR2024-00706, leaving the denial of institution intact.
Vicor Corporation v.Delta Electronics, Inc.
Vicor Corporation has filed a Director Review request challenging the Board’s denial to institute an IPR on Delta Electronics’ 10,877,534 patent covering stacked power converters. The petitioner contends the Board relied on unsupported expert testimony contrary to prior art.
Vicor Corporation v.Delta Electronics, Inc.
Vicor Corporation filed a Request for Director Review after the PTAB refused to institute an IPR against Delta Electronics’ power‑converter patent. The petition argues that petitioners should be allowed to rely on the patent owner’s infringement claim constructions, even if they disagree with them, citing a split among PTAB panels.
Vicor Corporation v.Delta Electronics, Inc.
The USPTO denied Vicor Corporation's request for Director Review of the decision denying institution of IPR2024-00704 concerning Delta Electronics' patent 8,711,580. No further substantive rulings on claim patentability were made.
Vicor Corporation v.Delta Electronics, Inc.
Vicor seeks Director Review after the PTAB denied institution of its IPR, contending the denial was improper because it hinged on the patent owner’s claim construction.
Vicor Corporation v.Delta Electronics, Inc.
Vicor and Delta Electronics have settled their dispute over U.S. Patent 9,819,263 and jointly moved to terminate the inter partes review. The motion cites 35 U.S.C. §317 and emphasizes that no merits have been decided.
Vicor Corporation v.Delta Electronics, Inc.
The PTAB denied Vicor Corporation’s request for Director review of the institution decisions in IPR2024-00706 and IPR2024-00715, leaving the earlier institution denial in place.
Vicor Corporation v.Delta Electronics, Inc.
Vicor and Delta Electronics filed a joint request to keep their IPR settlement agreement confidential under federal statutes.
Vicor Corporation v.Delta Electronics, Inc.
Vicor Corporation challenged Delta Electronics' patent (8711580) in the PTAB, arguing that the resonant converter technology is obvious based on prior art publications. The petitioner successfully secured institution under §325(d) and §314(a), advancing its challenge to the Patent Owner.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Greenthread has filed a Notice of Appeal to the Federal Circuit challenging the PTAB’s finding that multiple claims of U.S. Patent 10,510,842 are obvious. The appeal focuses on alleged errors in obviousness analysis and claim construction.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Greenthread, LLC has filed a notice of appeal to the Federal Circuit challenging the PTAB’s finding that multiple claims of U.S. Patent 10,734,481 are obvious. The appeal focuses on alleged errors in claim construction, obviousness analysis, and consideration of secondary factors.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Greenthread files a Notice of Appeal to the Federal Circuit challenging the PTAB’s finding that 20 claims of its power‑management patent are obvious. The appeal focuses on alleged errors in obviousness analysis and claim construction.
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