90/016,072FINING OF BOROALUMINO SILICATE GLASSES7,851,394Closed

Status

Request for Reexamination Denied

Filed

Mar 23, 2026

Last Updated

Jun 23, 2026

Art Unit

3991

Requester

Unknown

Requester Law Firm

Merchant & Gould, P.C.

Requested By

Third Party

Patent OwnerInferred

Corning Incorporated

Sector (CPC)

CChemistry & Materials
C03Glass & Ceramics
C03CGlass Compositions

USPC

501Compositions: Ceramic

Reexam History (24 events)

Jun 23, 2026MREXDRX - Mail Ex Parte Request for Reexamination Denied
Jun 17, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 15, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jun 15, 2026RXIDS.Information Disclosure Statement Filed
Jun 15, 2026RXC/SRCertificate of Service
Apr 2, 2026DOCKCase Docketed to Examiner in GAU
Mar 31, 2026MRXNReexamination Formalities Notice Mailed
Mar 31, 2026MRXNReexamination Formalities Notice Mailed
Mar 31, 2026COMPApplication Is Now Complete
Mar 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 30, 2026RXNREQFDNotice of reexamination request filing date
Mar 30, 2026RXNREQAUNotice of assignment of reexamination request
Mar 30, 2026FTFIFITF set to NO - revise initial setting
Mar 25, 2026RXRLFReExam Litigation Found
Mar 25, 2026RXLITSRReexam Litigation Search Conducted
Mar 24, 2026PRXRParalegal Reexam Review Complete
Mar 23, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 23, 2026RXTTLRPTTitle Report
Mar 23, 2026RXOSUB.RReexamination requested by third party requester
Mar 23, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 23, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 23, 2026RXC/SRCertificate of Service
Mar 23, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Mar 23, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-00439IPRDiscretionary Denial

Petitioner

Caihong Display Devices Co. Ltd.

Petition Filed

Jan 13, 2025

Institution

Jul 10, 2025

Decision

Jul 10, 2025

Terminated

Jul 10, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedJul 15, 2010

Prosecution History

DateCodeDescription
Aug 3, 2010P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 15, 2010DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Dec 14, 2010
3.5-yr
Jun 14, 2014
7.5-yr
Jun 14, 2018
Paid May 9, 2018
11.5-yr
Jun 14, 2022
Paid May 11, 2022
Expiry
Oct 7, 2026

Entity Status

Large Entity

Expires

Oct 7, 2026 (0.5 yr remaining)

Term Adjustment

+101 days (~0.3 yr)

Assignments

Jun 2006Jul 2006FiledADAM J.G. ELLISONCORNING INCORPORATED
AssignmentReel/Frame: 018028/0949Recorded: Jun 28, 2006

From

ADAM J.G. ELLISONInventor
Jun 22, 2006

To

CORNING INCORPORATED