Industry Sector

Electrical engineering — US PTAB Patent Cases

16 decisions indexed

Page 1 of 1 · 16 total

patent denied · Oct 2, 2025

Murata Manufacturing Co., Ltd. et al. v.Georgia Tech Research Corporation

· IPR2025-00384

The USPTO Director denied Murata Manufacturing’s request for review of the PTAB’s decision not to institute an IPR against Georgia Tech’s patent. The denial hinged on untimely filing and discovery burdens.

patent · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

Google has filed an IPR petition seeking cancellation of all 15 claims of Valtrus’s ’967 patent covering redundant power supplies. The petition relies on anticipation by Zak and obviousness over Susong, Chang, and Edelen, and argues that discretionary denial is unwarranted.

patent · Feb 24, 2025

Anthony Inc. v.ControlTec, LLC

· IPR2025-00636

ControlTec requests the PTAB Director to overturn the institution of an IPR on its expired ’847 patent, arguing that the patent’s long life creates strong settled expectations and that the cited Carter reference was already deemed non‑material. The petition seeks discretionary denial under § 314(a).

patent · Jan 30, 2025

Anthony Inc. v.ControlTec, LLC

· IPR2025-00559

ControlTec, LLC seeks Director review to deny institution of an IPR against its 18‑year‑old anti‑sweat controller patent, arguing strong settled expectations and non‑material prior art.

patent denied · Oct 4, 2024

Texas Instruments Incorporated v.Greenthread, LLC

· IPR2024-00773

The USPTO denied Texas Instruments' request for Director Review of the Final Written Decisions in two IPRs involving a Greenthread patent on power management circuitry.

patent denied · Oct 4, 2024

Texas Instruments Incorporated v.Greenthread, LLC

· IPR2024-00772

The USPTO denied Texas Instruments’ request for Director Review of the Final Written Decisions in several IPRs involving Greenthread’s patent 10,734,481. The Board found no basis to overturn the earlier rulings.

patent denied · Sep 23, 2024

Menard, Inc. v.Signify Holdings B.V. et al.

· IPR2024-01469

The PTAB denied a request to vacate a Final Written Decision (FWD) because the Petitioner introduced new arguments regarding obviousness in its reply brief. The Board found that the initial petition lacked sufficient particularity to support the claims' unpatentability.

patent instituted · Aug 14, 2024

Anker Innovations Ltd. v.Powermat Technologies Ltd.

· IPR2024-00995

Anker Innovations Ltd. successfully convinced the PTAB to institute an IPR against Powermat Technologies Ltd.'s patent (9083204) covering Inductive Power Transfer technology. The Board found sufficient evidence of anticipation and obviousness over prior art references like Onishi, Purdy, Baarman392, and Tocci.

patent · May 13, 2024

Bizlink Technology, Inc., et al. v.Ander Power Products, Inc.

· IPR2024-00687

BizLink defends the PTAB’s finding that claims 1‑3 and 7‑12 of Anderson’s 8,808,017 patent are anticipated by the 1958 Winkler reference, urging the Director to deny the request for review.

patent instituted · May 13, 2024

Bizlink Technology, Inc., et al. v.Ander Power Products, Inc.

· IPR2024-00687

Bizlink Technology, Inc. petitioned the PTAB to challenge Anderson Power Products' patent (8808017), arguing that claims are unpatentable based on anticipation and obviousness. The petitioner cited multiple prior art references, including Winkler, Kataoka, Poliak, and The Handbook. The petition was instituted by the Board.

patent Final Written Decision · May 13, 2024

Bizlink Technology, Inc., et al. v.Ander Power Products, Inc.

· IPR2024-00687

The PTAB issued a Final Written Decision finding several claims unpatentable based on anticipation (102) and obviousness (103). The Board adopted specific claim constructions for 'insulating' as 'electrically insulating' and 'within' as 'on the inside of.'

patent instituted · May 6, 2024

Anker Innovations Limited v.Powermat Technologies Ltd.

· IPR2024-00994

Anker Innovations Limited successfully secured institution of its IPR against Powermat Technologies Ltd.'s patent (9048696) based on obviousness grounds. The Board found that the combination of prior art references, specifically Onishi and Flowerdew, provided a reasonable likelihood of prevailing for key claims in Inductive Power Transfer technology.

patent final · May 6, 2024

Anker Innovations Limited v.Powermat Technologies Ltd.

· IPR2024-00994

The PTAB issued a Final Written Decision finding that claims 1–7 and 9–14 were unpatentable over prior art references. The petitioner successfully demonstrated obviousness under 35 U.S.C. § 103, particularly regarding the combination of Onishi and Flowerdew for independent claim 1.

patent instituted · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00706

Vicor Corporation successfully petitioned the PTAB to challenge Delta Electronics' patent (US 10,877,534), leading to institution. The petition asserted multiple grounds of anticipation and obviousness based on combinations of prior art references like Vinciarelli-218, Zeng-014, Park, and Jun.

patent null · Mar 25, 2024

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00705

Vicor Corporation challenged Delta Electronics' '263 Patent in an IPR petition, asserting that claims 1-6 are anticipated (102) and obvious (103). The petitioner relies heavily on multiple combinations of prior art references, including Vinciarelli and Zeng patents, to demonstrate unpatentability.

patent Final Written Decision · Feb 8, 2024

LEDUP MANUFACTURING GROUP LTD. v.Seasonal Specialties, LLC

· IPR2024-01258

The Petitioner successfully demonstrated anticipation and obviousness for the majority of claims (1, 2, 4–7, 9–14) related to a resistor bypass circuit for LEDs. The Board found that prior art references disclosed all limitations or provided clear motivation for substitution in multiple instances.

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