Status
Reexamination Certificate Issued
Requester
Unknown
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (26 events)
Dec 31, 2025REEXInput Issue Number and Issue Date for Reexamination
Oct 31, 2025RXPUBSReexam Forwarded to Office of Publications
Sep 30, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Aug 28, 2025RXPTDIReexam Petition Decision - Dismissed
Aug 28, 2025MRTDIRX - Mail Petition Decision - Dismissed
Jan 6, 2025RXFWDXDate Forwarded to Examiner
Nov 18, 2024RXPET.Receipt of Petition in a Reexam
Nov 18, 2024RXC/SRCertificate of Service
Oct 28, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Sep 30, 2024DOCKCase Docketed to Examiner in GAU
Sep 24, 2024MRXNReexamination Formalities Notice Mailed
Sep 24, 2024MRXNReexamination Formalities Notice Mailed
Sep 24, 2024COMPApplication Is Now Complete
Sep 23, 2024RXTTLRPTTitle Report
Sep 23, 2024RXNREQFDNotice of reexamination request filing date
Sep 23, 2024RXNREQAUNotice of assignment of reexamination request
Sep 23, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Sep 18, 2024FTFIFITF set to NO - revise initial setting
Sep 18, 2024RXLITSRReexam Litigation Search Conducted
Sep 18, 2024RXRLFReExam Litigation Found
Sep 18, 2024PRXRParalegal Reexam Review Complete
Sep 17, 2024RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Sep 17, 2024RXC/SRCertificate of Service
Sep 17, 2024RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Sep 17, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Sep 17, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
None found
Federal Circuit (CAFC)
None found
Terminal Disclaimer
Filed — ApprovedJul 24, 2020
Prosecution History
| Date | Code | Description |
|---|---|---|
| Jul 24, 2020 | P574 | PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED |
| Jul 24, 2020 | DIST | Terminal Disclaimer Filed |
Maintenance Fees
Grant
Sep 15, 2020
3.5-yr
Mar 15, 2024
Paid Mar 15, 2024
7.5-yr
Mar 15, 2028
11.5-yr
Mar 15, 2032
Expiry
Jan 17, 2040
Entity Status
Small Entity
Expires
Jan 17, 2040 (13.8 yr remaining)
Assignments
AssignmentReel/Frame: 052452/0671Recorded: Apr 21, 2020
From
DANIEL J. DA COSTAInventor
Aug 16, 2011
CARL L.G. HANSENInventor
Aug 3, 2011
CHARLES A. HAYNESInventor
Aug 15, 2011
JOHN W. SCHRADERInventor
Mar 8, 2011
ANUPAM SINGHALInventor
Aug 12, 2011
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To
THE UNIVERSITY OF BRITISH COLUMBIA