Status
Reexam Terminated - Request Denied in Group
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (21 events)
Aug 27, 2026MRTRMRX - Mail Termination of Reexam Proceedings
Jul 9, 2026MRIFDRX - Mail Incomplete Ex Parte Reexam Request (Filing Date vacated)
May 28, 2026RXC/SRCertificate of Service
May 5, 2026DOCKCase Docketed to Examiner in GAU
May 4, 2026MRXNReexamination Formalities Notice Mailed
May 4, 2026MRXNReexamination Formalities Notice Mailed
May 4, 2026COMPApplication Is Now Complete
May 1, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 30, 2026RXTTLRPTTitle Report
Apr 30, 2026RXRLFReExam Litigation Found
Apr 30, 2026RXNREQFDNotice of reexamination request filing date
Apr 30, 2026RXNREQAUNotice of assignment of reexamination request
Apr 30, 2026RXLITSRReexam Litigation Search Conducted
Apr 30, 2026PRXRParalegal Reexam Review Complete
Apr 30, 2026FTFIFITF set to NO - revise initial setting
Apr 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 29, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 29, 2026RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Apr 29, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 29, 2026RXC/SRCertificate of Service
Apr 29, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2020-00182IPR — Institution Denied
Petitioner
SFC Co., Ltd.
Petition Filed
Dec 2, 2019
Institution
Jun 2, 2020
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Jun 24, 2014
3.5-yr
Dec 24, 2017
Paid Dec 7, 2017
7.5-yr
Dec 24, 2021
Paid Nov 22, 2021
11.5-yr
Dec 24, 2025
Paid Nov 24, 2025
Expiry
Jul 27, 2030
Entity Status
Large Entity
Expires
Jul 27, 2030 (4.2 yr remaining)
Term Adjustment
+218 days (~0.6 yr)
Assignments
AssignmentReel/Frame: 025144/0260Recorded: Oct 15, 2010
From
ADAM FENNIMOREInventor
Apr 13, 2010
WEIYING GAOInventor
Mar 25, 2010
JR. MICHAEL HENRY HOWARDInventor
Apr 12, 2010
DANIEL DAVID LECLOUXInventor
Mar 30, 2010
HONG MENGInventor
Aug 3, 2010
JEFFREY A. MERLOInventor
Mar 26, 2010
NORA SABINA RADUInventor
Mar 26, 2010
VSEVOLOD ROSTOVTSEVInventor
Apr 1, 2010
YULONG SHENInventor
Mar 26, 2010
ERIC MAURICE SMITHInventor
Apr 12, 2010
WEISHI WUInventor
Mar 30, 2010
→
To
E. I. DU PONT DE NEMOURS AND COMPANY
AssignmentReel/Frame: 050150/0482Recorded: Aug 22, 2019
From
E. I. DU PONT DE NEMOURS AND COMPANY
Apr 11, 2019
→
To
LG CHEM, LTD.