Status
Reexamination Certificate Issued
Requester (Patent Owner)Inferred
Requested By
Patent Owner
P.O. Law Firm
Reexam History (27 events)
Jan 9, 2026REEXInput Issue Number and Issue Date for Reexamination
Dec 1, 2025RXPUBSReexam Forwarded to Office of Publications
Nov 12, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Oct 15, 2025RXRLFReExam Litigation Found
Oct 15, 2025RXLITSRReexam Litigation Search Conducted
Oct 14, 2025RXFWDXDate Forwarded to Examiner
Aug 12, 2025MR.NFRX - Mail Reexam Non-Final Action
Jul 23, 2025RXFWDXDate Forwarded to Examiner
Jul 3, 2025RXWVSTWaiver of owners statement in ex parte
May 15, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
May 7, 2025MREXNRX - Mail Examiner Interview Summary Record
May 6, 2025MRXNReexamination Formalities Notice Mailed
May 6, 2025MRXNReexamination Formalities Notice Mailed
May 6, 2025COMPApplication Is Now Complete
May 5, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 5, 2025RXNREQFDNotice of reexamination request filing date
May 5, 2025RXNREQAUNotice of assignment of reexamination request
May 5, 2025DOCKCase Docketed to Examiner in GAU
Apr 30, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Apr 30, 2025RXTTLRPTTitle Report
Apr 30, 2025RXRLFReExam Litigation Found
Apr 30, 2025RXLITSRReexam Litigation Search Conducted
Apr 30, 2025PRXRParalegal Reexam Review Complete
Apr 30, 2025FTFSFITF set to YES - revise initial setting
Apr 29, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 29, 2025RXO_40Receipt of Orig. Ex Parte Reexam Request Less Than 40 Pages-Rule 1.20(c )(1)
Apr 29, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
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
Grant
Jan 24, 2023
3.5-yr
Jul 24, 2026
7.5-yr
Jul 24, 2030
11.5-yr
Jul 24, 2034
Expiry
Oct 11, 2041
Entity Status
Small Entity
Expires
Oct 11, 2041 (15.5 yr remaining)
Term Adjustment
+467 days (~1.3 yr)
Assignments
AssignmentReel/Frame: 053100/0125Recorded: Jul 1, 2020
From
MICHAEL JAY CALAMANInventor
Jul 19, 2018
TIMOTHY E. CURTISInventor
Jul 19, 2018
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To
4 C'S SPRAY EQUIPMENT RENTAL, LLC