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Status

Determination - Reexamination Ordered

Filed

Oct 17, 2025

Last Updated

Jan 16, 2026

Art Unit

3993

Requester

Unknown

Requested By

Third Party

P.O. Law Firm

Volpe Koenig

Sector (CPC)

FMechanical Engineering
F01Engines & Turbines
F01MEngine Lubrication

USPC

123Internal-Combustion Engines

Reexam History (34 events)

Feb 24, 2026RXC/SRCertificate of Service
Feb 24, 2026R325D325D NOTICE OF RELATED OFFICE PROCEEDINGS
Feb 12, 2026RXPET.Receipt of Petition in a Reexam
Feb 12, 2026RXC/SRCertificate of Service
Jan 16, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 19, 2025RXC/SRCertificate of Service
Dec 17, 2025RXOPPPETReexam - Opposition filed in response to petition
Dec 17, 2025RXC/SRCertificate of Service
Dec 3, 2025RXPTGRReexam Petition Decision - Granted
Dec 3, 2025MRTGRRX - Mail Petition Decision - Granted
Nov 28, 2025RXPET.Receipt of Petition in a Reexam
Nov 28, 2025RXC/SRCertificate of Service
Nov 14, 2025RXPET.Receipt of Petition in a Reexam
Nov 14, 2025RXC/SRCertificate of Service
Nov 12, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Oct 30, 2025DOCKCase Docketed to Examiner in GAU
Oct 29, 2025MRXNReexamination Formalities Notice Mailed
Oct 29, 2025MRXNReexamination Formalities Notice Mailed
Oct 29, 2025COMPApplication Is Now Complete
Oct 28, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Oct 28, 2025RXTTLRPTTitle Report
Oct 28, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 28, 2025RXNREQFDNotice of reexamination request filing date
Oct 28, 2025RXNREQAUNotice of assignment of reexamination request
Oct 21, 2025RXRLFReExam Litigation Found
Oct 21, 2025RXLITSRReexam Litigation Search Conducted
Oct 21, 2025PRIRParalegal Reissue Review Complete
Oct 21, 2025FTFSFITF set to YES - revise initial setting
Oct 17, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 17, 2025RXOSUB.RReexamination requested by third party requester
Oct 17, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 17, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Oct 17, 2025RXC/SRCertificate of Service
Oct 17, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)