Industry Sector

Power electronics — US PTAB Patent Cases

11 decisions indexed

Page 1 of 1 · 11 total

patent · Mar 13, 2025

Innoscience America, Inc. et al. v.Infineon Technologies Austria AG

· IPR2025-00721

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).

patent · Mar 13, 2025

Innoscience America, Inc. et al. v.Infineon Technologies Austria AG

· IPR2025-00721

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).

patent · Aug 14, 2024

Anker Innovations Ltd. v.Powermat Technologies Ltd.

· IPR2024-00996

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.

patent · Jun 27, 2024

Hoymiles USA, Inc. et al. v.CyboEnergy, Inc.

· IPR2024-01106

Hoymiles USA challenges CyboEnergy’s grid-connected inverter patents under 35 U.S.C. § 103, arguing the claimed technology is obvious.

patent null · May 17, 2024

Reed Semiconductor Corporation v.Monolithic Power Systems, Inc.

· IPR2024-00871

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.

patent · May 6, 2024

Anker Innovations Limited v.Powermat Technologies Ltd.

· IPR2024-00994

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.

patent · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00704

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.

patent denied · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00704

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.

patent terminated or settled · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00705

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.

patent · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00705

Vicor and Delta Electronics filed a joint request to keep their IPR settlement agreement confidential under federal statutes.

patent · Mar 18, 2024

Monolithic Power Systems, Inc. v.Greenthread, LLC

· IPR2024-00551

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.

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