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Status

Determination - Reexamination Ordered

Filed

Jan 28, 2026

Last Updated

Apr 6, 2026

Art Unit

3993

Requester Law Firm

Unknown

Requested By

Third Party

Patent Owner

Unknown

Sector (CPC)

FMechanical Engineering
F04Pumps & Compressors
F04DNon-Positive-Displacement Pumps

USPC

313Electric Lamp And Discharge Devices

Reexam History (21 events)

Feb 10, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Feb 5, 2026MRXNReexamination Formalities Notice Mailed
Feb 5, 2026MRXNReexamination Formalities Notice Mailed
Feb 5, 2026DOCKCase Docketed to Examiner in GAU
Feb 5, 2026COMPApplication Is Now Complete
Feb 4, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 4, 2026RXNREQFDNotice of reexamination request filing date
Feb 4, 2026RXNREQAUNotice of assignment of reexamination request
Feb 4, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Feb 1, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jan 31, 2026RXLITSRReexam Litigation Search Conducted
Jan 31, 2026PRXRParalegal Reexam Review Complete
Jan 31, 2026FTFSFITF set to YES - revise initial setting
Jan 28, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 28, 2026RXOSUB.RReexamination requested by third party requester
Jan 28, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 28, 2026RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Jan 28, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jan 28, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jan 28, 2026RXC/SRCertificate of Service
Jan 28, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)