Industry Sector

Semiconductors — US PTAB Patent Cases

205 decisions indexed

Page 3 of 7 · 205 total

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00864

The PTAB upheld its discretionary denial of an IPR petition against Marlin Semiconductor's FinFET patent, citing settled expectations and a parallel ITC investigation. The petitioner's request for Director review was rejected.

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00879

The USPTO denied Director Review requests for four IPR institution decisions, including the challenge to Patent 9,093,473 owned by Marlin Semiconductor. Petitioners Taiwan Semiconductor and Apple’s bid to overturn the institution denial was rejected.

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00848

The USPTO denied the Director Review requests filed by TSMC and Apple challenging the denial to institute IPR2025-00848 against Marlin Semiconductor's patent.

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00865

TSMC and Apple attempted to overturn USPTO denials of institution for Marlin Semiconductor patents, but the Board denied their Director Review requests, leaving the institution decisions intact.

patent · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00864

TSMC seeks Director review of a PTAB decision that denied institution of an IPR challenging Marlin Semiconductor's 2015 FinFET patent. The petition emphasizes national‑security stakes, settled expectations, and alleged examiner errors. It also argues the ITC shutdown changes the Fintiv calculus.

patent · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00848

The Board notified the parties that Director Review requests have been filed for IPR2025-00848 and IPR2025-00879. The Patent Owner may respond within five business days with a brief limited to the raised issues, and no new evidence is allowed.

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00864

The PTAB denied the petition for Director Review of the institution decisions in four IPRs involving Taiwan Semiconductor and Apple versus Marlin Semiconductor. The denial leaves the original institution outcomes unchanged.

patent · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00848

TSMC seeks Director review of the PTAB’s denial to institute an IPR against Marlin Semiconductor’s 2018 semiconductor‑device patent, citing national‑security, public‑interest, and material‑error concerns. The petition argues the shutdown‑induced delay in the ITC makes referral essential.

patent denied · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00848

The PTAB upheld the Director’s discretionary denial of an IPR petition against Marlin Semiconductor’s ’880 patent, citing settled expectations and a parallel ITC case. The Petitioners’ arguments about size and investment were deemed immaterial.

patent · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00848

TSMC and Apple have filed a petition to invalidate Marlin Semiconductor's FinFET patent, arguing that the claims are obvious in view of multiple prior‑art references. The petition seeks institution of an IPR covering claims 1‑12.

patent · Apr 17, 2025

Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.

· IPR2025-00865

TSMC and Apple have filed a petition to institute an IPR against Marlin Semiconductor’s ’747 patent covering FET manufacturing methods. They argue the claims are anticipated or obvious over multiple prior‑art references and that discretionary denial is unwarranted.

patent · Apr 16, 2025

Advanced Micro Devices, Inc. v.Advanced Cluster Systems, Inc.

· IPR2025-00863

AMD filed a request for rehearing after the PTAB Deputy Director denied institution of its IPR, arguing that its Instinct™ AI chips are vital to U.S. national security and AI competitiveness. The petition seeks reversal of the denial and referral to a merits panel.

patent denied · Apr 16, 2025

Advanced Micro Devices, Inc. v.Advanced Cluster Systems, Inc.

· IPR2025-00862

AMD’s petition for rehearing of the USPTO’s discretionary denial in IPR2025-00862 was denied. The Board upheld the original decision denying institution of the challenge against Advanced Cluster Systems’ patent.

patent · Apr 16, 2025

Advanced Micro Devices, Inc. v.Advanced Cluster Systems, Inc.

· IPR2025-00862

AMD filed a request for rehearing after the PTAB Deputy Director denied institution of its IPR, arguing that its Instinct AI chips are vital to U.S. national security and public health. The petition seeks reversal of the denial and referral to a merits panel.

patent denied · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00831

The USPTO Director denied TSMC's request for review of the office's refusal to institute five IPRs against Advanced Integrated Circuit Process patents, leaving the institution decisions unchanged.

patent denied · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00831

TSMC’s request for a Director‑review of an inter‑ partes review was denied, leaving Advanced Integrated Circuit Process’s semiconductor process patent intact. The Board affirmed the Director’s discretionary denial based on lack of persuasive justification and potential duplication with district‑court litigation.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00830

Exhibit 1106 compiles PTAB final decision outcomes for TSMC, highlighting that many of its IPRs resulted in all claims being deemed unpatentable.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00829

TSMC seeks PTAB reversal of a Director’s discretionary denial, arguing that national‑security, settled expectations, and examiner errors justify instituting an IPR against patent 7,923,764.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00828

Exhibit 1106 lists PTAB outcomes for TSMC-related IPRs, including the 2025 IPR2025-00828 concerning patent 7,579,227.

patent denied · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00828

The USPTO Director denied TSMC’s request for review of the PTAB’s decision not to institute an IPR against Advanced Integrated Circuit Process’s patent, leaving the institution denial in place.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00831

Court decision.

patent denied · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00830

The USPTO Director denied Taiwan Semiconductor Manufacturing Company's request for Director Review of the PTAB's institution denial for patent 8,253,180. The denial applies uniformly across five related IPRs.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00831

TSMC has filed a Director Review Request seeking reversal of a discretionary denial that blocked its challenge to U.S. Patent 8,587,076. The petition emphasizes national‑security stakes, settled expectations, and alleged examiner errors. The PTAB has yet to rule on the request.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00830

TSMC seeks PTAB reversal of a Director’s discretionary denial of an IPR against its 28nm‑3nm process patents, arguing national‑security stakes, settled expectations, and material examiner errors. The petition cites extensive prior art to show lack of patentability under §§102 and 103.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00829

TSMC seeks Director Review of a discretionary denial of an IPR on a semiconductor patent. The patent owner argues the denial was proper and the petition defective. The Board’s decision remains pending.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00828

Advanced Integrated Circuit Process LLC opposes Taiwan Semiconductor Manufacturing Co.'s request for a Director review of U.S. Patent 7,579,227, arguing the Board correctly exercised discretionary denial. The response highlights procedural deficiencies, meritless new‑facts claims, and unsupported national‑security arguments.

patent · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00828

TSMC filed a Director Review Request asking the PTAB to overturn a discretionary denial and refer its challenge to the ‘227 patent to a merits panel, citing national security, settled expectations, and material errors in issuance.

patent mixed - some claims cancelled, some upheld · Apr 15, 2025

Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC

· IPR2025-00829

In IPR2025-00829, the PTAB issued a final written decision finding at least one claim of U.S. Patent 7,923,764 unpatentable. The challenger TSMC and patent owner Advanced Integrated Circuit Process LLC presented arguments under §§102/103, resulting in a mixed outcome.

patent · Mar 28, 2025

Intel Corporation v.Advanced Cluster Systems, Inc.

· IPR2025-00794

Intel seeks rehearing after the PTAB Director denied institution of IPR2025‑00794, arguing that a recent $8.9 billion U.S. government investment makes its Xeon chips a national‑security priority and that the denial misapprehended this.

patent · Mar 28, 2025

Intel Corporation v.Advanced Cluster Systems, Inc.

· IPR2025-00795

Intel filed a request for rehearing after the PTAB Director denied institution of IPR2025‑00795, arguing that a recent $8.9 billion U.S. government investment makes its Xeon processors vital to national security. The petition contends the Director misapprehended the briefing and seeks referral to a merits panel.

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