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90/016,218DEUTERATED COMPOUNDS FOR ELECTRONIC APPLICATIONS8,759,818Closed

Status

Reexam Terminated - Request Denied in Group

Terminated without an SNQ decision. USPTO applies this status label to requests closed before a decision, as well as to denials.

Filed

Apr 29, 2026

Pre-Order Paper

Filed May 28, 2026

Last Updated

Aug 27, 2026

Art Unit

3991

Requester

Not yet available

Requester Law Firm

Not yet available

Requested By

Third Party

Patent Owner(via USPTO assignment records)

LG Chem, Ltd.

Patent Owner Law Firm

Not yet available

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10KOrganic Electric Devices

USPC

257Active Solid-State Devices (E.g., Transistors, Solid-State Diodes)

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, 2026COMPApplication Is Now Complete
May 4, 2026MRXNReexamination Formalities Notice Mailed
May 1, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
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 30, 2026RXTTLRPTTitle Report
Apr 29, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
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, 2026RXC/SRCertificate of Service
Apr 29, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 29, 2026WIDSInformation Disclosure Statement (IDS) Filed

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

2010201120122013201420152016201720182019FiledWEIYING GAOJEFFREY A. MERLONORA SABINA RADUYULONG SHENDANIEL DAVID LECLOUXWEISHI WUVSEVOLOD ROSTOVTSEVJR. MICHAEL HENRY HOWARDERIC MAURICE SMITHADAM FENNIMOREHONG MENGE. I. DU PONT DE NEMOURS AND COMPANYLG CHEM, LTD.
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.