Status
Determination - Reexamination Ordered
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (29 events)
Apr 21, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 6, 2026RXLITSRReexam Litigation Search Conducted
Mar 6, 2026RXRLFReExam Litigation Found
Mar 3, 2026RXC/SRCertificate of Service
Mar 3, 2026RXOSUB.RReexamination requested by third party requester
Mar 3, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 24, 2026MRXNReexamination Formalities Notice Mailed
Feb 24, 2026DOCKCase Docketed to Examiner in GAU
Feb 24, 2026DOCKCase Docketed to Examiner in GAU
Feb 24, 2026COMPApplication Is Now Complete
Feb 24, 2026DOCKCase Docketed to Examiner in GAU
Feb 24, 2026DOCKCase Docketed to Examiner in GAU
Feb 24, 2026MRXNReexamination Formalities Notice Mailed
Feb 23, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 23, 2026FTFIFITF set to NO - revise initial setting
Feb 22, 2026RXNREQFDNotice of reexamination request filing date
Feb 22, 2026RXNREQAUNotice of assignment of reexamination request
Feb 17, 2026RXC.ADCorrespondence Address Change
Feb 17, 2026PA..Change in Power of Attorney (May Include Associate POA)
Feb 11, 2026RXC/SRCertificate of Service
Feb 11, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Feb 4, 2026PRXRParalegal Reexam Review Complete
Feb 3, 2026RXC/SRCertificate of Service
Feb 3, 2026RXRLFReExam Litigation Found
Feb 3, 2026RXTTLRPTTitle Report
Feb 3, 2026RXOSUB.RReexamination requested by third party requester
Feb 3, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Feb 3, 2026RXLITSRReexam Litigation Search Conducted
Feb 3, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01305IPR — Discretionary Denial
Petitioner
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Petition Filed
Jul 15, 2025
Institution
Nov 20, 2025
Decision
Nov 20, 2025
Terminated
Nov 20, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Dec 11, 2012
3.5-yr
Jun 11, 2016
7.5-yr
Jun 11, 2020
Paid May 28, 2020
11.5-yr
Jun 11, 2024
Paid May 29, 2024
Expiry
Jun 8, 2031
Entity Status
Large Entity
Expires
Jun 8, 2031 (5.2 yr remaining)
Term Adjustment
+82 days (~0.2 yr)
Assignments
AssignmentReel/Frame: 052755/0917Recorded: May 27, 2020
From
PANASONIC CORPORATION
May 21, 2020
→
To
PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Name ChangeReel/Frame: 067711/0965Recorded: Jun 12, 2024
From
PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Mar 19, 2024
→
To
NUVOTON TECHNOLOGY CORPORATION JAPAN
AssignmentReel/Frame: 068118/0314Recorded: Jul 30, 2024
From
NUVOTON TECHNOLOGY CORPORATION JAPAN
Jul 30, 2024
→
To
ADVANCED INTEGRATED CIRCUIT PROCESS LLC