Status
Request for Reexamination Denied
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (26 events)
Nov 21, 2025RXPET.Receipt of Petition in a Reexam
Nov 10, 2025MREXDRX - Mail Ex Parte Request for Reexamination Denied
Oct 28, 2025IDSCInformation Disclosure Statement considered
Oct 22, 2025MRXNReexamination Formalities Notice Mailed
Oct 22, 2025MRXNReexamination Formalities Notice Mailed
Oct 22, 2025COMPApplication Is Now Complete
Oct 21, 2025RXTTLRPTTitle Report
Oct 21, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 21, 2025RXNREQFDNotice of reexamination request filing date
Oct 21, 2025RXNREQAUNotice of assignment of reexamination request
Oct 21, 2025FTFSFITF set to YES - revise initial setting
Oct 21, 2025DOCKCase Docketed to Examiner in GAU
Oct 15, 2025RXOSUCOrig Req Receipt Corrected
Oct 9, 2025MRICRRX - Mail Notice of Incomplete Ex Parte Reexam Request
Oct 8, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Oct 8, 2025RXNREQFDNotice of reexamination request filing date
Oct 8, 2025RXNREQAUNotice of assignment of reexamination request
Oct 8, 2025RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Sep 30, 2025WIDSInformation Disclosure Statement (IDS) Filed
Sep 30, 2025WIDSInformation Disclosure Statement (IDS) Filed
Sep 30, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Sep 30, 2025RXOSUB.RReexamination requested by third party requester
Sep 30, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Sep 30, 2025RXIDS.Information Disclosure Statement Filed
Sep 30, 2025RXC/SRCertificate of Service
Sep 30, 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
Jul 17, 2018
3.5-yr
Jan 17, 2022
Paid Mar 7, 2022
7.5-yr
Jan 17, 2026
11.5-yr
Jan 17, 2030
Expiry
Oct 13, 2034
Entity Status
Small Entity
Expires
Oct 13, 2034 (8.6 yr remaining)
Term Adjustment
+368 days (~1.0 yr)
Other
USPTO Event: Maintenance Fee Reminder Mailed
Assignments
AssignmentReel/Frame: 051133/0086Recorded: Nov 27, 2019
From
WILLIAM CHRISTOPHER DUFFYInventor
Nov 27, 2019
→
To
DURASYSTEMS BARRIERS INC.
AssignmentReel/Frame: 068137/0383Recorded: Jul 31, 2024
From
DURASYSTEMS BARRIERS INC.
Jun 24, 2024
→
To
VAUGHANAIR CANADA ULC
OtherReel/Frame: 067944/0532Recorded: Jun 27, 2024
From
VAUGHANAIR CANADA ULC
Jun 24, 2024
→
To
M&T BANK