Status
Determination - Reexamination Ordered
Requester
Unknown
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (20 events)
Aug 27, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 16, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 15, 2026DOCKCase Docketed to Examiner in GAU
Jun 15, 2026COMPApplication Is Now Complete
Jun 15, 2026MRXNReexamination Formalities Notice Mailed
Jun 15, 2026MRXNReexamination Formalities Notice Mailed
Jun 12, 2026FTFIFITF set to NO - revise initial setting
Jun 12, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 10, 2026RXNREQFDNotice of reexamination request filing date
Jun 10, 2026RXNREQAUNotice of assignment of reexamination request
Jun 5, 2026RXTTLRPTTitle Report
Jun 5, 2026PRXRParalegal Reexam Review Complete
May 31, 2026RXLITSRReexam Litigation Search Conducted
May 29, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 29, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
May 29, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
May 29, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 29, 2026RXC/SRCertificate of Service
May 29, 2026RXOSUB.RReexamination requested by third party requester
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01452IPR — Discretionary Denial
Petitioner
SK hynix Inc.
Petition Filed
Aug 29, 2025
Institution
Jan 9, 2026
Decision
Jan 9, 2026
Terminated
Jan 9, 2026
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Aug 17, 2010
3.5-yr
Feb 17, 2014
7.5-yr
Feb 17, 2018
Paid Feb 1, 2018
11.5-yr
Feb 17, 2022
Paid Feb 2, 2022
Expiry
Jun 12, 2028
Entity Status
Large Entity
Expires
Jun 12, 2028 (2.1 yr remaining)
Term Adjustment
+147 days (~0.4 yr)
Assignments
AssignmentReel/Frame: 021034/0634Recorded: Jun 3, 2008
From
SEIJI YAMAHIRAInventor
Jan 7, 2008
→
To
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Name ChangeReel/Frame: 021897/0516Recorded: Nov 20, 2008
From
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Oct 1, 2008
→
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