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Status

Non-Final Action Mailed

Filed

Oct 28, 2025

Last Updated

Mar 27, 2026

Art Unit

3991

Requester

Unknown

Requested By

Third Party

Sector (CPC)

CChemistry & Materials
C01Inorganic Chemistry
C01BNon-metallic Elements

USPC

252Compositions

Reexam History (23 events)

Mar 27, 2026MR.NFRX - Mail Reexam Non-Final Action
Feb 23, 2026RXFWDXDate Forwarded to Examiner
Dec 18, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 6, 2025IDSCInformation Disclosure Statement considered
Nov 4, 2025MRXNReexamination Formalities Notice Mailed
Nov 4, 2025MRXNReexamination Formalities Notice Mailed
Nov 4, 2025DOCKCase Docketed to Examiner in GAU
Nov 4, 2025COMPApplication Is Now Complete
Nov 3, 2025RXTTLRPTTitle Report
Nov 3, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 3, 2025RXNRQRECNotice of reexamination request received
Nov 3, 2025RXNREQAUNotice of assignment of reexamination request
Nov 3, 2025RXLITSRReexam Litigation Search Conducted
Nov 3, 2025PRXRParalegal Reexam Review Complete
Nov 3, 2025FTFSFITF set to YES - revise initial setting
Oct 28, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 28, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 28, 2025RXOSUB.RReexamination requested by third party requester
Oct 28, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 28, 2025RXLET.Miscellaneous Incoming Letter
Oct 28, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Oct 28, 2025RXC/SRCertificate of Service
Oct 28, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)