Status
Reexam Preprocessing Completed - Released to Assigned GAU
Filed
Oct 20, 2026
Pre-Order Paper
Window open until about Nov 29, 2026
Last Updated
Oct 24, 2026
Examiner
Not assigned
Art Unit
Requester
Requester Law Firm
Not named in the record
Requested By
Third Party
Patent Owner(via USPTO assignment records)
Patent Owner Law Firm
Owner hasn't filed yet
Reexam History (11 events)
Oct 24, 2026FTFIFITF set to NO - revise initial setting
Oct 24, 2026RXNREQFDNotice of reexamination request filing date
Oct 24, 2026RXNREQAUNotice of assignment of reexamination request
Oct 24, 2026RXTTLRPTTitle Report
Oct 24, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 23, 2026PRXRParalegal Reexam Review Complete
Oct 20, 2026RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Oct 20, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 20, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Oct 20, 2026RXC/SRCertificate of Service
Oct 20, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
None found
Federal Circuit (CAFC)
None found
Terminal Disclaimer
Filed — ApprovedMar 12, 2018
Prosecution History
| Date | Code | Description |
|---|---|---|
| Mar 12, 2018 | P574 | PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED |
| Mar 12, 2018 | DIST | Terminal Disclaimer Filed |
Maintenance Fees
Grant
Aug 21, 2018
3.5-yr
Feb 21, 2022
Paid Feb 21, 2022
7.5-yr
Feb 21, 2026
11.5-yr
Feb 21, 2030
Expiry
Apr 28, 2037
Entity Status
Large Entity
Expires
Apr 28, 2037 (10.5 yr remaining)
Other
USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder Mailed
Assignments
AssignmentReel/Frame: 045631/0785Recorded: Apr 25, 2018
From
KYUNG SUK OHInventor
Jun 1, 2006
IAN P. SHAEFFERInventor
Jun 1, 2006
→
To
RAMBUS INC
AssignmentReel/Frame: 073085/0650Recorded: Oct 15, 2025
From
RAMBUS INC.
Sep 29, 2025
→
To
SIGNAL LLP