Semiconductor manufacturing — US PTAB Patent Cases
57 decisions indexed
Page 1 of 2 · 57 total
Entegris, Inc. v.--
Entegris has filed a PGR petition challenging U.S. Patent 12,347,711, which covers a wafer‑container gas diffusion device. The company alleges anticipation, obviousness, and indefiniteness over its own prior‑art references and seeks cancellation of all 31 claims.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
TSMC has filed an IPR petition seeking to invalidate all 11 claims of Marlin’s 2011 metal‑gate transistor patent, asserting anticipation and obviousness over multiple prior‑art references. The petition requests institution and cancellation of the claims.
Taiwan Semiconductor Manufacturing Company, Ltd. v.Advanced Integrated Circuit Process LLC
TSMC’s request for a Director review of the PTAB’s discretionary denial was rejected. The patent owner argues the Director correctly applied the law and that TSMC’s new‑fact and abuse‑of‑discretion theories lack merit.
Taiwan Semiconductor Manufacturing Company, Ltd. v.Advanced Integrated Circuit Process LLC
Court decision.
Taiwan Semiconductor Manufacturing Company, Ltd. v.Advanced Integrated Circuit Process LLC
The USPTO Director denied Taiwan Semiconductor Manufacturing’s request for review of the institution decisions in five related IPRs, keeping the institution denials against Advanced Integrated Circuit Process LLC in place.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Limited et al.
TSMC has filed an IPR petition challenging Marlin Semiconductor’s U.S. 7,547,584 patent covering dummy openings for charge‑damage reduction in dual‑damascene processing. The petition asserts obviousness over six prior‑art references and seeks cancellation of claims 1‑6.
Taiwan Semiconductor Manufacturing Company, Ltd. v.Advanced Integrated Circuit Process LLC
TSMC has filed an IPR petition seeking cancellation of 27 claims of a dual‑damascene interconnect patent, alleging anticipation and obviousness over multiple prior‑art references. The petition lists detailed grounds for each claim group and requests the Board to institute the review.
Taiwan Semiconductor Manufacturing Company, Ltd. v.Advanced Integrated Circuit Process LLC
TSMC has filed an IPR petition seeking cancellation of 21 claims of the ’623 patent, arguing that dummy‑via and dual‑damascene features were anticipated or obvious over multiple prior‑art references. The petition lists detailed grounds under §§102 and 103 and requests the Board to institute the review.
Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC
TSMC petitions the PTAB to invalidate 27 claims of a semiconductor interconnect patent, asserting that dummy‑via and dual‑damascene technologies were already disclosed in multiple prior‑art references. The petition targets claims covering dummy structures, dimensions, and interconnect layouts.
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. v.Advanced Integrated Circuit Process LLC
TSMC has filed an IPR petition challenging all seven claims of Advanced Integrated Circuit Process’s ’572 patent covering semiconductor interconnect fabrication. The petition relies on four prior‑art references to argue obviousness under 35 U.S.C. §103.
Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC
TSMC petitions the PTAB to institute an IPR against Advanced Integrated Circuit Process’s 7,632,751 patent, seeking cancellation of 20 claims covering dummy‑via dual‑damascene methods. The petition relies on multiple grounds of anticipation and obviousness under §§102 and 103.
United Microelectronics Corporation et al. v.Advanced Integrated Circuit Process LLC
United Microelectronics Corporation has filed an IPR petition challenging six claims of U.S. Patent 8,907,425, which covers stress‑relief structures for MISFETs. The petitioner asserts that combinations of known prior‑art references make the claims obvious under §103. No claim construction is required, and the petition seeks institution of the review.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
TSMC has filed an IPR petition seeking cancellation of all 22 claims of Marlin Semiconductor’s ’194 patent covering MOS transistor fabrication. The petition alleges anticipation and obviousness over three prior‑art references: Hoentschel262, Wang407, and Wang753.
Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.
Exhibit containing the final written decision outcomes for IPR2025-00879 involving TSMC and Marlin Semiconductor.
Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.
The PTAB upheld the Director’s discretionary denial of an IPR challenging Marlin Semiconductor’s 2015 metal‑oxide semiconductor transistor patent, citing settled expectations and a parallel ITC investigation. TSMC and Apple’s arguments about size and investment were deemed immaterial.
Taiwan Semiconductor Manufacturing Company, Ltd. et al. v.Marlin Semiconductor Ltd. et al.
The PTAB upheld the Director’s discretionary denial of an IPR against Marlin Semiconductor’s 2015 semiconductor patent, citing settled expectations and a parallel ITC case. Petitioners TSMC and Apple’s arguments about size and investment were deemed immaterial.
Taiwan Semiconductor Manufacturing Company Limited et al. v.Marlin Semiconductor Ltd. et al.
TSMC and Apple have filed a petition to invalidate Marlin Semiconductor’s ’473 MOS transistor patent, asserting that all ten claims are obvious over prior‑art references. The petition seeks institution of an IPR and argues against discretionary denial.
Taiwan Semiconductor Manufacturing Company Ltd. v.Advanced Integrated Circuit Process LLC
The USPTO Director denied TSMC’s request for Director Review of the PTAB’s decision denying institution of multiple IPRs covering semiconductor process patents. The denial leaves the institution decisions unchanged.
Taiwan Semiconductor Manufacturing Company Limited v.Advanced Integrated Circuit Process LLC
Advanced Integrated Circuit Process LLC submits an authorized response urging the Director to deny Taiwan Semiconductor Manufacturing Company's request for Director Review of a discretionary denial to institute an IPR on patent 8,198,686. The response rebuts the petitioner’s arguments on national security, settled expectations, duplication, and examiner error.
Taiwan Semiconductor Manufacturing Company Limited v.Advanced Integrated Circuit Process LLC
The USPTO denied Taiwan Semiconductor Manufacturing Company's request for Director Review of the institution denial in IPR2025-00682, leaving the earlier decision intact.
Taiwan Semiconductor Manufacturing Company Limited v.Advanced Integrated Circuit Process LLC
TSMC seeks a Director Review of the PTAB’s discretionary denial to institute an IPR against patent 8,907,425. The patent owner argues the denial was proper and TSMC’s request is procedurally defective. The review request remains pending.
Taiwan Semiconductor Manufacturing Company Limited v.Advanced Integrated Circuit Process LLC
PTAB issued a mixed final decision on TSMC’s challenge to patent 8907425, invalidating some claims while upholding others.
Taiwan Semiconductor Manufacturing Company Limited v.Advanced Integrated Circuit Process LLC
TSMC has filed an IPR petition against Advanced Integrated Circuit Process’s U.S. Patent 8,907,425 covering semiconductor devices. The petition asserts that claims 1‑15 are obvious over multiple prior‑art references and argues that discretionary denial is unwarranted.
SAMSUNG ELECTRONICS CO., LTD., et al. v.Sinotechnix LLC
Samsung and Sinotechnix have settled their dispute over U.S. Patent 7,951,626 and jointly moved to terminate the inter partes review, requesting that the settlement be kept confidential. The Board has not yet ruled on institution, so the motion is pending.
SAMSUNG ELECTRONICS CO., LTD., et al. v.Sinotechnix LLC
Samsung has filed an IPR petition seeking cancellation of six claims of the ’626 LED patent, arguing that the claims are anticipated or obvious over five prior‑art references. The petition also argues that discretionary factors favor institution.
United Microelectronics Corporation et al. v.Advanced Integrated Circuit Process LLC
United Microelectronics Corp. petitions the PTAB to invalidate five claims of Advanced Integrated Circuit Process’s 7,579,227 patent, alleging anticipation and obviousness based on multiple high‑k gate dielectric references.
Lam Research Corp. v.Inpria Corporation
Lam Research has filed an IPR petition challenging all 20 claims of Inpria's EUV lithography patent, asserting obviousness over multiple prior‑art references and indefiniteness issues. The petition seeks institution and cancellation of the claims.
Lam Research Corp. v.Inpria Corporation
Lam Research has filed an IPR petition seeking cancellation of all 20 claims of Inpria’s ’048 patent covering EUV photoresist deposition. The petition relies on obviousness and anticipation grounds over Meyers, Weidman, Berney, and Molloy, and raises a new‑matter issue. The Board must decide whether to institute the trial.
Entegris, Inc. v.Inpria Corporation
Entegris contests Inpria’s request for Director Review of the PTAB’s institution of an IPR, arguing that Lam Research is not a real party in interest and that Inpria’s claim‑construction arguments are untimely.
Entegris, Inc. v.Inpria Corporation
Inpria seeks director review to vacate the PTAB’s institution of an IPR against its ’903 patent, arguing Entegris failed the real‑party‑in‑interest test and that the Board’s claim construction conflicts with a Delaware court ruling.
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.