Taiwan Semiconductor Manufacturing Company Ltd. vs. Marlin Semiconductor Ltd. et al.

Explore the PTAB proceeding IPR2026-00261 filed by Taiwan Semiconductor Manufacturing Company Ltd. on 2026-02-13. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00261

Filing Date

2026-02-13

Accorded Filing Date

2026-02-13

Institution Decision Date

2026-07-14

Last Modified Date

2026-08-18

Proceeding Type

IPR

Termination Date

2026-07-14

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Ltd.

Represented By

Renner, W. Karlet al

Patent Owner / Respondent

Marlin Semiconductor Ltd. et al.

Represented By

Meunier, Williamet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 12198128

Respondent Patent Number 7888195

External Links

Espacenet

Google Patents

Respondent Inventor Chien-Ting Lin et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

3 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name NORTH AMERICA INTELLECTUAL PROPERTY CORPORATION

Customer Number 27765

Address 5F., NO.389, FUHE RD., YONGHE DIST., NEW TAIPEI CITY, 234645, TAIWAN

Attorney / Agent Information

Reg #	Name	Phone
41526	Winston Hsu	302-729-1562
66781	Xuan Zhang	626-628-7931
67314	Roger Chen	886-927-877-517

Proceeding Documents

Notice: refund approved NOTICE

2026-08-18 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-08-12 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-07-14 FILING PARTY: BOARD

Download

1038

“IPValue Affiliate Licenses Samsung to Marlin Semiconductor Patent Portfolio" Exhibit

2026-05-26 FILING PARTY: PETITIONER

Download

1044

J. Klearman, “Decoding TSMC’s Contribution to the AI and 5G Ecosystem,” Nov. 20, 2024 Exhibit

2026-05-26 FILING PARTY: PETITIONER

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Taiwan Semiconductor Manufacturing Company Ltd. vs. Marlin Semiconductor Ltd. et al.

Proceeding Overview

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Ltd.

Represented By

Patent Owner / Respondent

Marlin Semiconductor Ltd. et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

“IPValue Affiliate Licenses Samsung to Marlin Semiconductor Patent Portfolio" Exhibit

J. Klearman, “Decoding TSMC’s Contribution to the AI and 5G Ecosystem,” Nov. 20, 2024 Exhibit

Director John A. Squires, Memorandum on Additional Discre-tionary Institution Considerations – U.S. Manufacturing and Small Business Use of AIA Proceedings (March 11, 2026) Exhibit

“IPValue Affiliate Licenses Samsung to Marlin Semiconductor Patent Portfolio,” IPValue Exhibit

R. O’Brien, “Trump on China – Putting America First,” Exhibit

Declaration of Robert W. Bahr Exhibit

Google Patents – U.S. Pub. No. US 2005/0233527 available at https://patents.google.com/patent/US20050233527A1/en?oq= US20050233527 Exhibit

Jeremy Bowman, Nasdaq, This 1 Number May Ensure TSMC’s Market Dominance, The Motley Fool Exhibit

IPValue.com Portfolios Webpage, available at https://www.ipvalue.com/portfolios Exhibit

Google Patents – U.S. Pub. No. US 2007/0138559 available at https://patents.google.com/patent/US20070138559A1/en?oq= US20070138559 Exhibit

“CNBC Transcript: United States Commerce Secretary How-ard Lutnick Speaks with CNBC’s Brian Sullivan on ‘The Ex-change’ Today" Exhibit

TSMC Arizona Economic Impact, available at https://www.tsmc.com/static/abouttsmcaz/index.htm (last ac-cessed April 12, 2026) Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Patent Assignment Abstract of Title for the ’195 Patent Exhibit

Taiwan Semiconductor Manufacturing Company Ltd., 7nm Technology Exhibit

Certain Foreign-Fabricated Semiconductor Devices, Products Containing the Same, and Components Thereof, Inv. No. 337-TA1443, Doc ID 843707 Exhibit

Greater Phoenix Semiconductor Ecosystem February 2025 Report, available at https://www.gpec.org/industries-operations/industries-in-greater-phoenix/semiconductors Exhibit

VectorCapital.com IPValue Management Investment Case Study Webpage, available at https://www.vectorcapital.com/investments/case-study/ipvalue-management (last accessed April 22, 2026) Exhibit

“Ansys Strengthens Collaboration with TSMC on Advanced Node Processes Certification and 3D-IC Multiphysics Design Solutions.,” Published Apr. 23, 2025 Exhibit

TSMC Annual Report 2024 (Excerpts), Exhibit

VectorCapital.com About Webpage, available at https://www.vectorcapital.com/about (last accessed April 22, 2026) Exhibit

“Another Historic Investment Secured Under President Trump,” The White House, Published Mar. 3, 2025, Exhibit

Responses of John A. Squires to Senate Judiciary Comm. Questions for the Record (May 28, 2025), available at https://www.judiciary.senate.gov/imo/media/doc/2025-05-21_qfrresponses_squires.pdf Exhibit

“Removing Barriers to American Leadership in Artificial Intelligence,” The White House", Published Jan. 23, 2025 Exhibit

TSMC-Cadence Press Release, Published Apr. 24, 2025 Exhibit

Russ Wiles, US Commerce Secretary Visits TSMC Complex in Phoenix as Work on Third Fab Starts, Arizona Republic (April 30, 2025) Exhibit

Ex 2002 Peter Van Zant Microchip Fabrication 4th Edition Exhibit

Patent Owner's Preliminary Response POPR

Ex 2003 CV_J. McAlexander Exhibit

Ex 2001 2026-05-26 IPR2026-00261 '195 McAlexander Declaration Exhibit

Ex. 2102 Ranked_Semiconductor Foundries by Revenue Share Exhibit

Ex. 2106 chips-design-manufacturing-fact-sheet Exhibit

Ex. 2103 US7888195B2 - Metal gate transistor and method for fabricating the same - Google Patents Exhibit

Ex. 2101 Foundries to Grow Faster than Integrated Circuits in 2016 Exhibit

Ex. 2108 samsung-factsheet-chips-122024-final Exhibit

Ex. 2104 2026-04-24 IPR2026-00261 '195 Ahern Declaration Exhibit

Ex. 2105 Memo fr J. Squires to all PTAB Users (Mar. 11, 2026) Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

Ex. 2109 Samsung CHIPS Act Grant Brings Its Leading Edge Plus R&D To Texas Exhibit

Ex. 2107 US Semiconductor Manufacturing _ CHIPS and Science Act _ Intel® Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

U.S. Pub. No. 2008/0265322 (“Lin”) Exhibit

Declaration of June Ann Munford Exhibit

Excerpts from the Prosecution History of the ’195 Patent Exhibit

Hofstein et al. Exhibit

U.S. Pat. No. 7,211,869 (“Chan”) Exhibit

Wang et al., Chemical Mechanical Polishing for Selective CVD-W Exhibit

U.S. Pat. No. 6,573,134 (“Ma”) Exhibit

U.S. Pub. 2005/0233527 (“Brask”) Exhibit

Mistry et al. Exhibit

A. Chatterjee et al. Exhibit

U.S. Pub. No. 2007/0037343 (“Colombo”) Exhibit

U.S. Patent No. 7,888,195 Exhibit

U.S. Pat. No. 7,390,709 (“Doczy ’709”) Exhibit

U.S. Patent No. 7,176,090 (“Brask ’090”) Exhibit

U.S. Pub. 2006/0180851 (“Lee”) Exhibit

Amazawa et al. Exhibit

U.S. Pub. 2006/0278934 (“Nagahama”) Exhibit

U.S. Pub. No. 7,208,361 (“Shah”) Exhibit

U.S. Pub. 2009/0315124 (“Chen”) Exhibit