Status
Request for Reexamination Denied
Requester
Unknown
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (26 events)
May 21, 2026MREXDRX - Mail Ex Parte Request for Reexamination Denied
Apr 29, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 24, 2026DOCKCase Docketed to Examiner in GAU
Mar 23, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 23, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 23, 2026RXC/SRCertificate of Service
Mar 20, 2026MRXNReexamination Formalities Notice Mailed
Mar 20, 2026MRXNReexamination Formalities Notice Mailed
Mar 20, 2026COMPApplication Is Now Complete
Mar 19, 2026RXTTLRPTTitle Report
Mar 19, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 19, 2026RXNREQFDNotice of reexamination request filing date
Mar 19, 2026RXNREQAUNotice of assignment of reexamination request
Mar 18, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 13, 2026RXRLFReExam Litigation Found
Mar 13, 2026RXLITSRReexam Litigation Search Conducted
Mar 13, 2026PRXRParalegal Reexam Review Complete
Mar 13, 2026FTFIFITF set to NO - revise initial setting
Mar 12, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 12, 2026RXOSUB.RReexamination requested by third party requester
Mar 12, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 12, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 12, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 12, 2026RXC/SRCertificate of Service
Mar 12, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Mar 12, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01453IPR — Discretionary Denial
Petitioner
SK hynix Inc.
Petition Filed
Aug 25, 2025
Institution
Dec 18, 2025
Decision
Dec 18, 2025
Terminated
Dec 18, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Mar 19, 2013
3.5-yr
Sep 19, 2016
7.5-yr
Sep 19, 2020
Paid Aug 27, 2020
11.5-yr
Sep 19, 2024
Paid May 16, 2024
Expiry
Nov 9, 2031
Entity Status
Large Entity
Expires
Nov 9, 2031 (5.6 yr remaining)
Term Adjustment
+107 days (~0.3 yr)
Assignments
AssignmentReel/Frame: 026869/0683Recorded: Sep 8, 2011
From
YUKIMASA HAMAMOTOInventor
Jun 17, 2011
MASAHIRO TOKIInventor
Jun 17, 2011
→
To
PANASONIC CORPORATION
AssignmentReel/Frame: 053570/0429Recorded: Aug 24, 2020
From
PANASONIC CORPORATION
Aug 17, 2020
→
To
PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Name ChangeReel/Frame: 066849/0802Recorded: Mar 20, 2024
From
PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Sep 2, 2020
→
To
NUVOTON TECHNOLOGY CORPORATION JAPAN
AssignmentReel/Frame: 067184/0869Recorded: Apr 22, 2024
From
NUVOTON TECHNOLOGY CORPORATION JAPAN
Mar 25, 2024
→
To
ADVANCED MEMORY TECHNOLOGIES LLC