Status
Reexam Assigned to Examiner for Determination
Requester
Unknown
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (21 events)
Jul 16, 2026COMPApplication Is Now Complete
Jul 16, 2026DOCKCase Docketed to Examiner in GAU
Jul 16, 2026MRXNReexamination Formalities Notice Mailed
Jul 16, 2026MRXNReexamination Formalities Notice Mailed
Jul 15, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 15, 2026RXNREQFDNotice of reexamination request filing date
Jul 15, 2026RXNREQFDNotice of reexamination request filing date
Jul 15, 2026RXTTLRPTTitle Report
Jul 9, 2026FTFSFITF set to YES - revise initial setting
Jul 9, 2026RXRLFReExam Litigation Found
Jul 9, 2026RXLITSRReexam Litigation Search Conducted
Jul 9, 2026PRXRParalegal Reexam Review Complete
Jul 8, 2026RXO_40.CReceipt of Corrected Orig. Ex Parte Request Less Than 40 Pages- Rule 1.20(c )(1)
Jul 7, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jul 7, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jul 7, 2026RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Jul 7, 2026RXOSUB.RReexamination requested by third party requester
Jul 7, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jul 7, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jul 7, 2026RXC/SRCertificate of Service
Jul 7, 2026RXC/M.Certificate of Mailing
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
Dec 25, 2018
3.5-yr
Jun 25, 2022
Paid Apr 29, 2022
7.5-yr
Jun 25, 2026
Paid Jul 14, 2026
11.5-yr
Jun 25, 2030
Expiry
Dec 12, 2037
Entity Status
Large Entity
Expires
Dec 12, 2037 (11.4 yr remaining)
Assignments
AssignmentReel/Frame: 044359/0078Recorded: Dec 12, 2017
From
RONGTU LIUInventor
Dec 1, 2017
FUXING LUInventor
Dec 1, 2017
→
To
XIAMEN PVTECH CO., LTD.