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Status

Reexamination Certificate Issued

Filed

Jun 30, 2025

Last Updated

Apr 16, 2026

Art Unit

3993

Requester

Ruiwen Zhu

Requester Law Firm

Dragon Sun Law Firm, P.C.

Requested By

Third Party

P.O. Law Firm

Fox Rothschild, LLP

Sector (CPC)

ALife Sciences & Consumer
A61Medical & Pharmaceutical
A61CDentistry

USPC

15Brushing, Scrubbing, And General Cleaning

Reexam History (39 events)

Apr 16, 2026REEXInput Issue Number and Issue Date for Reexamination
Mar 24, 2026RXPUBSReexam Forwarded to Office of Publications
Feb 19, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Jan 7, 2026RXLITSRReexam Litigation Search Conducted
Jan 7, 2026RXRLFReExam Litigation Found
Dec 30, 2025MREXNRX - Mail Examiner Interview Summary Record
Dec 29, 2025RXC/SRCertificate of Service
Dec 29, 2025RCCPRX - Concurrent Proceedings Notice
Dec 29, 2025RXA...Response after Non-Final Action
Dec 29, 2025RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Nov 25, 2025MR.NFRX - Mail Reexam Non-Final Action
Nov 3, 2025IDSCInformation Disclosure Statement considered
Oct 10, 2025RXLET.Miscellaneous Incoming Letter
Oct 10, 2025RXIDS.Information Disclosure Statement Filed
Oct 10, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 8, 2025RXLITSRReexam Litigation Search Conducted
Oct 8, 2025RXFWDXDate Forwarded to Examiner
Oct 8, 2025RXRLFReExam Litigation Found
Aug 18, 2025RXLET.Miscellaneous Incoming Letter
Aug 18, 2025RCCPRX - Concurrent Proceedings Notice
Aug 4, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 28, 2025IDSCInformation Disclosure Statement considered
Jul 10, 2025DOCKCase Docketed to Examiner in GAU
Jul 10, 2025MRXNReexamination Formalities Notice Mailed
Jul 10, 2025COMPApplication Is Now Complete
Jul 10, 2025MRXNReexamination Formalities Notice Mailed
Jul 9, 2025RXNREQAUNotice of assignment of reexamination request
Jul 9, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 9, 2025FTFSFITF set to YES - revise initial setting
Jul 9, 2025RXNREQFDNotice of reexamination request filing date
Jul 2, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jul 2, 2025RXTTLRPTTitle Report
Jun 30, 2025RXC/SRCertificate of Service
Jun 30, 2025RXLET.Miscellaneous Incoming Letter
Jun 30, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jun 30, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 30, 2025RXIDS.Information Disclosure Statement Filed
Jun 30, 2025RXOSUB.RReexamination requested by third party requester
Jun 30, 2025WIDSInformation Disclosure Statement (IDS) Filed