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Status

Determination - Reexamination Ordered

Filed

Dec 4, 2025

Last Updated

Feb 24, 2026

Art Unit

2934(Design)

Requester

Xixian Zhong

Requester Law Firm

KA Filing, LLC

Requested By

Third Party

P.O. Law Firm

Bryan Liang

USPC

D23Environmental Heating And Cooling; Fluid Handling And Sanitary Equipment

Reexam History (21 events)

Feb 24, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 30, 2026IDSCInformation Disclosure Statement considered
Dec 11, 2025DOCKCase Docketed to Examiner in GAU
Dec 9, 2025COMPApplication Is Now Complete
Dec 9, 2025MRXNReexamination Formalities Notice Mailed
Dec 9, 2025MRXNReexamination Formalities Notice Mailed
Dec 8, 2025RXNREQAUNotice of assignment of reexamination request
Dec 8, 2025RXNREQFDNotice of reexamination request filing date
Dec 8, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 8, 2025RXTTLRPTTitle Report
Dec 8, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Dec 4, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Dec 4, 2025RXC/SRCertificate of Service
Dec 4, 2025RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Dec 4, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 4, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 4, 2025FTFSFITF set to YES - revise initial setting
Dec 4, 2025PRXRParalegal Reexam Review Complete
Dec 4, 2025RXIDS.Information Disclosure Statement Filed
Dec 4, 2025RXLITSRReexam Litigation Search Conducted
Dec 4, 2025WIDSInformation Disclosure Statement (IDS) Filed