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

Explore the PTAB proceeding IPR2025-01484 filed by Taiwan Semiconductor Manufacturing Company Ltd. on 2025-08-29. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01484

Filing Date

2025-08-29

Accorded Filing Date

2025-08-29

Institution Decision Date

2026-01-09

Last Modified Date

2026-04-14

Proceeding Type

IPR

Termination Date

2026-01-09

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Ltd.

Represented By

Camarce, Christianet al

Patent Owner / Respondent

Marlin Semiconductor Limited 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 14512475

Respondent Patent Number 9786510

External Links

Espacenet

Google Patents

Respondent Inventor Wen-Jiun Shen 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

2026-04-14 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2026-04-13 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-09 FILING PARTY: BOARD

Download

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

2026-01-07 FILING PARTY: BOARD

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Petitioner's Unopposed Motion to Enter Modified Protective Order MOTION

2025-12-22 FILING PARTY: PETITIONER

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

Proceeding Overview

Parties & Counsel

Petitioner

Taiwan Semiconductor Manufacturing Company Ltd.

Represented By

Patent Owner / Respondent

Marlin Semiconductor Limited 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 OTHER

Director Discretionary Decision: Deny RESPONSE

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

Petitioner's Unopposed Motion to Enter Modified Protective Order MOTION

Email Correspondence Exhibit

EX2003 Exhibit

EX1020 - Torek Exhibit

EX1023 - Wann Chinese-counterpart publication Exhibit

Patent Owner's Preliminary Response POPR

EX1036 - UMC Litigation (DocketNavigator) Exhibit

EX1024 - Form 20-F (UMC FY2017) Exhibit

EX1041 - TSMC-Cadence Press Release Exhibit

EX1028 - Patent Assignment (510) Exhibit

EX1031 - CNBC Transcript Exhibit

EX1038 - U.S. Patent No. 8,214,007 (Baker) Exhibit

EX1030 - White House Another Historic Investment Exhibit

EX2001 Exhibit

EX1029 - 16-12nm Technology Exhibit

EX1032 - White House Removing Barriers Exhibit

EX1039 - April 29, 2019 IDS (U.S. Patent No. 11,309,423) Exhibit

EX1042 - TSMC’s Resurgence Exhibit

EX1022 - 915 CN Prosecution History Exhibit

EX1040 - TSMC-Ansys Collaboration Press Release Exhibit

EX1037 - Nasdaq (TSMC Market Dominance) Exhibit

EX1035 - Docket Report 1-25-cv-00215 Exhibit

EX1021 - Kim Exhibit

EX1033 - TSMC Annual Report (Excerpt) Exhibit

EX1025 - Marlin Litigation (DocketNavigator) Exhibit

EX1034 - Yahoo Finance (TSMC Arizona Fab Grand Opening) Exhibit

EX2002 Exhibit

Petitioner's Opposition to Discretionary Denial Brief RESPONSE

EX1026 - USPTO Assignment Record (510) Exhibit

EX1043 - Decoding TSMC’s Contribution to the AI and 5G Ecosystem Exhibit

EX1027 - 510 Patent Case Listing (DocketNavigator) Exhibit

EX2101 Exhibit

EX2104 Exhibit

EX2103 Exhibit

EX2102 Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Petition for Inter Partes Review PETITION

EX1016 - Tung (US20130200483A1) Exhibit

EX1009 - Colinge 2008 Exhibit

EX1001 - 510 Patent Exhibit

EX1011 - Choi 2002 Exhibit

EX1006 - Rachmady (US20100276756A1) Exhibit

EX1008 - Lin (US20140256093A1) Exhibit

EX1003 - Salahuddin Declaration Exhibit

EX1014 - Cheng (US20120068264A1) Exhibit

EX1002 - 510 File History Exhibit

EX1012 - Chen (US20130277759A1) Exhibit

EX1005 - Oh (US20130244392A1) Exhibit

EX1007 - Wann (US20130093026A1) Exhibit

EX1018 - Xiong (US20080303095A1) Exhibit

EX1019 - Guo 2005 Exhibit

EX1017 - Lee (US20130149826A1) Exhibit

Petitioner's Power of Attorney NOTICE

EX1004 - Salahuddin CV Exhibit

EX1013 - Akarvardar (US20160027895A1) Exhibit

EX1010 - Hu 2009 Exhibit

EX1015 - Chang 2011 Exhibit