Status
Response after Non-Final Action Entered (or Ready for Examiner Action)
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (35 events)
Aug 18, 2026MREXNRX - Mail Examiner Interview Summary Record
Aug 17, 2026RXLET.Miscellaneous Incoming Letter
Aug 17, 2026RXC/SRCertificate of Service
Aug 17, 2026RXA...Response after Non-Final Action
Jun 16, 2026MR.NFRX - Mail Reexam Non-Final Action
Jun 4, 2026IDSCInformation Disclosure Statement considered
May 14, 2026RXFWDXDate Forwarded to Examiner
Mar 30, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 30, 2026RXLET.Miscellaneous Incoming Letter
Mar 30, 2026RXIDS.Information Disclosure Statement Filed
Mar 30, 2026RXC/SRCertificate of Service
Mar 19, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 18, 2026RXC.ADCorrespondence Address Change
Mar 11, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Jan 28, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 15, 2026IDSCInformation Disclosure Statement considered
Jan 12, 2026MRXNReexamination Formalities Notice Mailed
Jan 12, 2026MRXNReexamination Formalities Notice Mailed
Jan 12, 2026DOCKCase Docketed to Examiner in GAU
Jan 12, 2026COMPApplication Is Now Complete
Jan 11, 2026RXTTLRPTTitle Report
Jan 11, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 11, 2026RXNREQFDNotice of reexamination request filing date
Jan 11, 2026RXNREQAUNotice of assignment of reexamination request
Jan 11, 2026RXC/SRCertificate of Service
Jan 7, 2026RXRLFReExam Litigation Found
Jan 7, 2026RXLITSRReexam Litigation Search Conducted
Jan 7, 2026PRXRParalegal Reexam Review Complete
Jan 7, 2026FTFIFITF set to NO - revise initial setting
Jan 3, 2026RXIDS.Information Disclosure Statement Filed
Dec 3, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 3, 2025RXOSUB.RReexamination requested by third party requester
Dec 3, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
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)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-00879IPR — Discretionary Denial
Petitioner
Taiwan Semiconductor Manufacturing Company Limited 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
Jul 28, 2015
3.5-yr
Jan 28, 2019
Paid Dec 6, 2018
7.5-yr
Jan 28, 2023
Paid Jan 19, 2023
11.5-yr
Jan 28, 2027
Expiry
Jul 15, 2034
Entity Status
Large Entity
Expires
Jul 15, 2034 (8.3 yr remaining)
Assignments
AssignmentReel/Frame: 033309/0116Recorded: Jul 15, 2014
From
LUNG-EN KUOInventor
Jul 8, 2010
PO-CHAO TSAOInventor
Jul 8, 2010
MING-TE WEIInventor
Jul 8, 2010
WEN-CHEN WUInventor
Jul 8, 2010
→
To
UNITED MICROELECTRONICS CORP.
AssignmentReel/Frame: 056991/0292Recorded: Jul 26, 2021
From
UNITED MICROELECTRONICS CORPORATION
Jun 18, 2021
→
To
MARLIN SEMICONDUCTOR LIMITED