Status
Non-Final Action Mailed
Requester
Unknown
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (32 events)
Aug 21, 2026MR.NFRX - Mail Reexam Non-Final Action
Aug 12, 2026RXRLFReExam Litigation Found
Aug 12, 2026RXLITSRReexam Litigation Search Conducted
Jul 9, 2026RXC/SRCertificate of Service
Jul 9, 2026RCCPRX - Concurrent Proceedings Notice
May 21, 2026RXFWDXDate Forwarded to Examiner
Apr 20, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 17, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Apr 17, 2026RXC.ADCorrespondence Address Change
Apr 10, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Mar 23, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Mar 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 3, 2026IDSCInformation Disclosure Statement considered
Jan 21, 2026DOCKCase Docketed to Examiner in GAU
Jan 20, 2026MRXNReexamination Formalities Notice Mailed
Jan 20, 2026MRXNReexamination Formalities Notice Mailed
Jan 20, 2026COMPApplication Is Now Complete
Jan 17, 2026RXTTLRPTTitle Report
Jan 17, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 17, 2026RXNREQFDNotice of reexamination request filing date
Jan 17, 2026RXNREQAUNotice of assignment of reexamination request
Dec 31, 2025RXRLFReExam Litigation Found
Dec 31, 2025RXLITSRReexam Litigation Search Conducted
Dec 31, 2025PRXRParalegal Reexam Review Complete
Dec 31, 2025FTFIFITF set to NO - revise initial setting
Dec 30, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 30, 2025RXOSUB.RReexamination requested by third party requester
Dec 30, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 30, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 30, 2025RXC/SRCertificate of Service
Dec 30, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 30, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2024-01241IPR — Terminated-Settled
Petitioner
Silicon Motion Inc. et al.
Petition Filed
Aug 9, 2024
Institution
Mar 5, 2025
Decision
Mar 14, 2025
Terminated
Mar 14, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Aug 18, 2015
3.5-yr
Feb 18, 2019
Paid Feb 18, 2019
7.5-yr
Feb 18, 2023
Paid Feb 20, 2023
11.5-yr
Feb 18, 2027
Expiry
Mar 31, 2034
Entity Status
Large Entity
Expires
Mar 31, 2034 (8 yr remaining)
Assignments
AssignmentReel/Frame: 032567/0453Recorded: Mar 31, 2014
From
SCOTT C. BESTInventor
Aug 19, 2004
→
To
RAMBUS INC.
AssignmentReel/Frame: 065229/0338Recorded: Oct 13, 2023
From
RAMBUS INC.
Sep 28, 2023
→
To
K.MIZRA LLC