Status
Reexamination Certificate Issued
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
USPC
D23Environmental Heating And Cooling; Fluid Handling And Sanitary Equipment
Reexam History (23 events)
Jul 21, 2026REEXInput Issue Number and Issue Date for Reexamination
Jun 14, 2026RXPUBSReexam Forwarded to Office of Publications
May 5, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Nov 19, 2025RXFWDXDate Forwarded to Examiner
Sep 17, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Sep 9, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Aug 13, 2025RXLITSRReexam Litigation Search Conducted
Aug 11, 2025DOCKCase Docketed to Examiner in GAU
Aug 11, 2025MRXNReexamination Formalities Notice Mailed
Aug 11, 2025COMPApplication Is Now Complete
Aug 11, 2025MRXNReexamination Formalities Notice Mailed
Aug 8, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Aug 8, 2025FTFSFITF set to YES - revise initial setting
Aug 8, 2025RXNREQFDNotice of reexamination request filing date
Aug 8, 2025RXNREQAUNotice of assignment of reexamination request
Aug 8, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Aug 6, 2025PRXRParalegal Reexam Review Complete
Aug 5, 2025WIDSInformation Disclosure Statement (IDS) Filed
Aug 5, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Aug 5, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Aug 5, 2025RXTTLRPTTitle Report
Aug 5, 2025RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Aug 5, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
None found
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
None found
Assignments
None found