Status
Determination - Reexamination Ordered
Requester
Unknown
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Unknown
Reexam History (23 events)
Aug 13, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 20, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Jul 20, 2026RXC/SRCertificate of Service
Jul 8, 2026DOCKCase Docketed to Examiner in GAU
Jul 7, 2026MRXNReexamination Formalities Notice Mailed
Jul 7, 2026COMPApplication Is Now Complete
Jul 7, 2026MRXNReexamination Formalities Notice Mailed
Jul 6, 2026RXNREQFDNotice of reexamination request filing date
Jul 6, 2026RXNREQAUNotice of assignment of reexamination request
Jul 6, 2026FTFIFITF set to NO - revise initial setting
Jul 6, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 30, 2026RXLITSRReexam Litigation Search Conducted
Jun 30, 2026PRXRParalegal Reexam Review Complete
Jun 30, 2026RXRLFReExam Litigation Found
Jun 30, 2026RXTTLRPTTitle Report
Jun 22, 2026RXTTLRPTTitle Report
Jun 19, 2026RXC/SRCertificate of Service
Jun 19, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jun 19, 2026RXOSUB.RReexamination requested by third party requester
Jun 19, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 19, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jun 19, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 19, 2026RXOSUBReceipt 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
Grant
Feb 3, 2015
3.5-yr
Aug 3, 2018
Paid Jul 16, 2018
7.5-yr
Aug 3, 2022
Paid Jul 20, 2022
11.5-yr
Aug 3, 2026
Expiry
Mar 21, 2033
Entity Status
Large Entity
Expires
Mar 21, 2033 (6.7 yr remaining)
Term Adjustment
+463 days (~1.3 yr)
Assignments
AssignmentReel/Frame: 027385/0523Recorded: Dec 14, 2011
From
CHRISTIAN NICHOLSONInventor
Dec 14, 2011
SAGE F. SMITHInventor
Dec 14, 2011
→
To
CATERPILLAR INC.
AssignmentReel/Frame: 029415/0119Recorded: Dec 6, 2012
From
CATERPILLAR INC.
Nov 29, 2012
→
To
CATERPILLAR SARL
AssignmentReel/Frame: 029415/0144Recorded: Dec 6, 2012
From
CATERPILLAR INC.
Nov 29, 2012
→
To
CATERPILLAR SARL
AssignmentReel/Frame: 074141/0104Recorded: Mar 20, 2026
From
CATERPILLAR SARL
Mar 19, 2026
→
To
CATERPILLAR INC.