Status
Final Action Mailed
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (35 events)
Aug 10, 2026MRXFRRX - Mail Final Rejection
Jul 1, 2026RXC/SRCertificate of Service
Jul 1, 2026RXA...Response after Non-Final Action
Jun 24, 2026MREXNRX - Mail Examiner Interview Summary Record
Jun 12, 2026RXLET.Miscellaneous Incoming Letter
Jun 12, 2026RXC/SRCertificate of Service
May 1, 2026MR.NFRX - Mail Reexam Non-Final Action
Apr 17, 2026IDSCInformation Disclosure Statement considered
Mar 16, 2026RXFWDXDate Forwarded to Examiner
Mar 16, 2026RXC/SRCertificate of Service
Mar 13, 2026RXIDS.Information Disclosure Statement Filed
Mar 13, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 13, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jan 13, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 19, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Dec 11, 2025MRXNReexamination Formalities Notice Mailed
Dec 11, 2025COMPApplication Is Now Complete
Dec 11, 2025MRXNReexamination Formalities Notice Mailed
Dec 11, 2025DOCKCase Docketed to Examiner in GAU
Dec 10, 2025RXNREQAUNotice of assignment of reexamination request
Dec 10, 2025RXTTLRPTTitle Report
Dec 10, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 10, 2025RXNREQFDNotice of reexamination request filing date
Dec 9, 2025FTFIFITF set to NO - revise initial setting
Dec 9, 2025RXLITSRReexam Litigation Search Conducted
Dec 9, 2025PRXRParalegal Reexam Review Complete
Dec 9, 2025RXRLFReExam Litigation Found
Dec 3, 2025RXOSUB.RReexamination requested by third party requester
Dec 3, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 3, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 3, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 3, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Dec 3, 2025RXC/SRCertificate of Service
Dec 3, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 3, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-00864IPR — Discretionary Denial
Petitioner
Taiwan Semiconductor Manufacturing Company, Ltd. et al.
Petition Filed
Apr 17, 2025
Institution
Sep 3, 2025
Decision
Sep 3, 2025
Terminated
Sep 3, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Nov 10, 2015
3.5-yr
May 10, 2019
Paid Apr 9, 2019
7.5-yr
May 10, 2023
Paid May 3, 2023
11.5-yr
May 10, 2027
Expiry
Jul 24, 2034
Entity Status
Large Entity
Expires
Jul 24, 2034 (8.3 yr remaining)
Assignments
AssignmentReel/Frame: 033387/0695Recorded: Jul 24, 2014
From
CHIN-CHENG CHIENInventor
Jul 17, 2014
CHIN-FU LINInventor
Jul 17, 2014
CHIH-CHIEN LIUInventor
Jul 17, 2014
TENG-CHUN TSAIInventor
Jul 17, 2014
CHUN-YUAN WUInventor
Jul 17, 2014
→
To
UNITED MICROELECTRONICS CORP.
AssignmentReel/Frame: 056991/0292Recorded: Jul 26, 2021
From
UNITED MICROELECTRONICS CORPORATION
Jun 18, 2021
→
To
MARLIN SEMICONDUCTOR LIMITED