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

Explore the PTAB proceeding IPR2025-01082 filed by Taiwan Semiconductor Manufacturing Company Limited on 2025-08-08. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01082

Filing Date

2025-08-08

Accorded Filing Date

2025-08-08

Institution Decision Date

2026-02-03

Last Modified Date

2026-07-20

Proceeding Type

IPR

Termination Date

2026-05-13

Trial Status

Terminated-Adverse Judgment

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Limited

Represented By

Lagerwall, Nicholaset 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 10708694

Respondent Patent Number 6888181

External Links

Espacenet

Google Patents

Respondent Inventor Wen-Shiang Liao 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

Adverse judgment: JUDGMENT Granting Request for Adverse Judgment After Institution of Trial 37 C.F.R. § 42.73(b) ADVRSJUDG

2026-05-13 FILING PARTY: BOARD

Download

Patent Owner's Request for Adverse Judgment OTHER

2026-04-28 FILING PARTY: PATENT OWNER

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2001

Ex. 2001 - 181 Patent Disclaimer Exhibit

2026-04-28 FILING PARTY: PATENT OWNER

Download

SCHEDULING ORDER ORDER

2026-02-09 FILING PARTY: BOARD

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Institution Decision: Grant DECISION

2026-02-03 FILING PARTY: BOARD

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

Proceeding Overview

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Limited

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

Adverse judgment: JUDGMENT Granting Request for Adverse Judgment After Institution of Trial 37 C.F.R. § 42.73(b) ADVRSJUDG

Patent Owner's Request for Adverse Judgment OTHER

Ex. 2001 - 181 Patent Disclaimer Exhibit

SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

ORDER Granting Motion for Entry of Protective Order 37 C.F.R. §§ 42.14, 42.54 ORDER

Email Correspondence Exhibit

Petitioner's Unopposed Motion for Entry of Protective Order MOTION

CNBC Transcript – US Commerce Secretary Howard Lutnick Exhibit

Declaration of Mr. Robert W. Bahr Exhibit

TSMC-Cadence Press Release Exhibit

NVIDIA and Oracle to Build US Department of Energy’s Largest AI Supercomputer for Scientific Discovery (October 28, 2025); available at https://nvidianews.nvidia.com/news/nvidia-oracle-us-department-of-energy-ai-supercomputer-scientific-discovery Exhibit

Decoding TSMC’s Contribution to the AI and 5G Ecosystem Exhibit

Yahoo! Finance Article on TSMC Fab 21 Exhibit

Alex He, In the Global AI Chips Race, China Is Playing Catch-Up (September 18, 2024) Exhibit

TSMC-Ansys Collaboration Press Release Exhibit

Kevin Zhai, The changing landscape of semiconductor manufacturing: why the health sector should care (June 11, 2023) Exhibit

Nasdaq – This 1 Number May Ensure TSMC’s Market Dominance Exhibit

NVIDIA Blackwell Architecture; The engine behind AI factories for the age of AI reasoning—now in full production.; available at https://www.nvidia.com/en-us/data-center/technologies/blackwell-architecture/ Exhibit

Another Historic Investment Secured Under President Trump Exhibit

TSMC’s Resurgence: What Lies Ahead for the Architect of AI Exhibit

’384 Patent Assignment to Marlin Exhibit

Decoding TSMC’s Contribution to the AI and 5G Ecosystem Exhibit

U.S. Pat. App. Publication No. 2004/0256647 (“Lee’647”) Exhibit

TSMC Technology Overview Exhibit

U.S. Pat. App. Publication No. 2004/0145019 (“Dakshina’019”) Exhibit

Removing Barriers to American Leadership in Artificial Intelligence Exhibit

Petitioner’s Opposition To Patent Owner’s Discretionary Denial Request RESPONSE

Email Correspondence Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

EX2102 Exhibit

EX2103 Exhibit

EX2101 Exhibit

EX2104 Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

U.S. Patent Application No. 10/227,068, as filed August 23, 2002 Exhibit

U.S. Patent No. 6,774,390 (Sugiyama) Exhibit

B. Doyle - Tri-Gate Fully-Depleted CMOS Transistors: Fabrication, Design Exhibit

Doyle - High Performance Fully-Depleted Tri-Gate CMOS Transistors Exhibit

U.S. Patent No. 7,045,401 (Lee) Exhibit

Prosecution File History, U.S. Patent No. 6,888,181 (Prosecution History) Exhibit

U.S. Patent No. 6,888,181 (the ’181 Patent) Exhibit

U.S. Patent No. 6,339,232 to Shinichi Takagi (Takagi) Exhibit

U.S. Pat. App. Publication No. 2004/0036126 (Chau) Exhibit

S. Wolf et al., Silicon Processing for the VLSI Era Volume 1 Exhibit

Declaration of Dr. Paul Braun Exhibit

U.S. Patent No. 6,803,631 (Dakshina-Murthy) Exhibit

Feng et al., BSIMSOI v.2.0 MOSFET Model – User’s Manual for BSIMDD2.0 Exhibit

U.S. Patent No. 5,461,250 to Burghartz et al. (Burghartz) Exhibit

Petition for Inter Parties Review PETITION

U.S. Patent No. 6,413,802 to Hu et al. (Hu) Exhibit

Liu; Flexible Threshold Voltage FinFETs with Independent Double Gates Exhibit

IEEE Electron mobilities and highfield drift velocities in strained silicon Exhibit

U.S. Pat. App. Publication No. 2004/0061178 (Lin) Exhibit

U.S. Pat. App. Publication No. 2005/0017377 (Joshi) Exhibit

Petitioner's Power of Attorney NOTICE