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Status

Reexam Assigned to Examiner for Determination

Filed

Mar 23, 2026

Last Updated

Apr 2, 2026

Art Unit

3991

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Corning Incorporated

P.O. Law Firm

Unknown

Sector (CPC)

CChemistry & Materials
C03Glass & Ceramics
C03CGlass Compositions

USPC

501Compositions: Ceramic

Reexam History (19 events)

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)