Status
Determination - Reexamination Ordered
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (25 events)
Aug 7, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 14, 2026MRILDRX - Mail Improper Letter Destroyed
Jun 26, 2026RXPET.Receipt of Petition in a Reexam
Jun 26, 2026RXC/SRCertificate of Service
Jun 12, 2026RXC/SRCertificate of Service
May 29, 2026MRXNReexamination Formalities Notice Mailed
May 29, 2026MRXNReexamination Formalities Notice Mailed
May 29, 2026DOCKCase Docketed to Examiner in GAU
May 29, 2026COMPApplication Is Now Complete
May 28, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 28, 2026RXNREQFDNotice of reexamination request filing date
May 28, 2026RXNREQAUNotice of assignment of reexamination request
May 27, 2026RXTTLRPTTitle Report
May 18, 2026RXRLFReExam Litigation Found
May 18, 2026RXLITSRReexam Litigation Search Conducted
May 18, 2026PRXRParalegal Reexam Review Complete
May 18, 2026FTFIFITF set to NO - revise initial setting
May 13, 2026WIDSInformation Disclosure Statement (IDS) Filed
May 13, 2026RXRLFReExam Litigation Found
May 13, 2026RXOSUB.RReexamination requested by third party requester
May 13, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 13, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 13, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 13, 2026RCCPRX - Concurrent Proceedings Notice
May 13, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2024-01427IPR — Institution Denied
Petitioner
Par-Kan Company, LLC et al.
Petition Filed
Sep 11, 2024
Institution
Mar 19, 2025
Decision
Mar 19, 2025
Terminated
Mar 19, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Aug 29, 2017
3.5-yr
Feb 28, 2021
Paid Feb 18, 2021
7.5-yr
Feb 28, 2025
Paid Feb 13, 2025
11.5-yr
Feb 28, 2029
Expiry
Nov 28, 2035
Entity Status
Large Entity
Expires
Nov 28, 2035 (9.5 yr remaining)
Term Adjustment
+305 days (~0.8 yr)
Assignments
AssignmentReel/Frame: 035341/0879Recorded: Apr 6, 2015
From
BRIAN JAMES PETERSENInventor
Feb 23, 2015
DAVID RICHARD SMITHInventor
Feb 23, 2015
→
To
UNVERFERTH MANUFACTURING COMPANY, INC.