Status
Non-Final Action Mailed
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (37 events)
Jul 20, 2026MR.NFRX - Mail Reexam Non-Final Action
Jul 8, 2026RXRLFReExam Litigation Found
Jul 8, 2026RXLITSRReexam Litigation Search Conducted
Jul 8, 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)
Feb 12, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 11, 2026IDSCInformation Disclosure Statement considered
Jan 22, 2026RXRLFReExam Litigation Found
Jan 22, 2026RXLITSRReexam Litigation Search Conducted
Jan 22, 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, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 11, 2026RXNREQFDNotice of reexamination request filing date
Jan 11, 2026RXNREQAUNotice of assignment of reexamination request
Jan 6, 2026RXRLFReExam Litigation Found
Jan 6, 2026RXLITSRReexam Litigation Search Conducted
Jan 6, 2026PRXRParalegal Reexam Review Complete
Jan 6, 2026FTFSFITF set to YES - revise initial setting
Dec 11, 2025RXTTLRPTTitle Report
Dec 3, 2025WIDSInformation Disclosure Statement (IDS) 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, 2025RXIDS.Information Disclosure Statement Filed
Dec 3, 2025RXC/SRCertificate of Service
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)
IPR2025-00865IPR — 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
Sep 29, 2015
3.5-yr
Mar 29, 2019
Paid Feb 14, 2019
7.5-yr
Mar 29, 2023
Paid Mar 22, 2023
11.5-yr
Mar 29, 2027
Expiry
Jun 6, 2033
Entity Status
Large Entity
Expires
Jun 6, 2033 (7.2 yr remaining)
Term Adjustment
+35 days (~0.1 yr)
Assignments
AssignmentReel/Frame: 030331/0282Recorded: May 2, 2013
From
CHIH-SEN HUANGInventor
Apr 25, 2013
CHING-WEN HUNGInventor
Apr 25, 2013
→
To
UNITED MICROELECTRONICS CORP.
AssignmentReel/Frame: 056991/0292Recorded: Jul 26, 2021
From
UNITED MICROELECTRONICS CORPORATION
Jun 18, 2021
→
To
MARLIN SEMICONDUCTOR LIMITED