Status
Reexamination Certificate Issued
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (50 events)
Feb 20, 2026REEXInput Issue Number and Issue Date for Reexamination
Feb 5, 2026RXRLFReExam Litigation Found
Feb 5, 2026RXPUBSReexam Forwarded to Office of Publications
Feb 5, 2026RXLITSRReexam Litigation Search Conducted
Jan 14, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Dec 31, 2025RXRLFReExam Litigation Found
Dec 31, 2025RXLITSRReexam Litigation Search Conducted
Dec 29, 2025IDSCInformation Disclosure Statement considered
Nov 24, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 24, 2025RXLET.Miscellaneous Incoming Letter
Nov 24, 2025RXIDS.Information Disclosure Statement Filed
Nov 24, 2025RXC/SRCertificate of Service
Nov 24, 2025RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Nov 24, 2025RXA...Response after Non-Final Action
Nov 6, 2025MREXNRX - Mail Examiner Interview Summary Record
Sep 24, 2025MRXG.RX - Mail Extension of Time Period for Response Granted
Sep 15, 2025RXRQ/TRequest for Extension of Time
Sep 15, 2025RXC/SRCertificate of Service
Aug 22, 2025MR.NFRX - Mail Reexam Non-Final Action
Jun 18, 2025RXPTDIReexam Petition Decision - Dismissed
Jun 18, 2025MRTDIRX - Mail Petition Decision - Dismissed
Jan 10, 2025DOCKCase Docketed to Examiner in GAU
Nov 19, 2024RXFWDXDate Forwarded to Examiner
Sep 19, 2024DOCKCase Docketed to Examiner in GAU
Sep 13, 2024RXOPPPETReexam - Opposition filed in response to petition
Sep 13, 2024RXC/SRCertificate of Service
Aug 30, 2024RXPET.Receipt of Petition in a Reexam
Aug 30, 2024RXC/SRCertificate of Service
Aug 26, 2024DOCKCase Docketed to Examiner in GAU
Jul 1, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
May 22, 2024PA..Change in Power of Attorney (May Include Associate POA)
May 20, 2024RXPA..Change in Power of Attorney (May Include Associate POA)
May 20, 2024RXC/SRCertificate of Service
Apr 15, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Apr 10, 2024MRXNReexamination Formalities Notice Mailed
Apr 10, 2024MRXNReexamination Formalities Notice Mailed
Apr 10, 2024DOCKCase Docketed to Examiner in GAU
Apr 9, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 9, 2024RXNREQFDNotice of reexamination request filing date
Apr 9, 2024RXNREQAUNotice of assignment of reexamination request
Apr 8, 2024RXRLFReExam Litigation Found
Apr 8, 2024RXLITSRReexam Litigation Search Conducted
Apr 5, 2024RXTTLRPTTitle Report
Apr 5, 2024RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Apr 5, 2024FTFSFITF set to YES - revise initial setting
Apr 4, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Apr 4, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 4, 2024RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Apr 4, 2024RXIDS.Information Disclosure Statement Filed
Apr 4, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2023-00587IPR — Institution Denied
Petitioner
Zhuhai CosMX Battery Co., Ltd.
Petition Filed
Feb 24, 2023
Institution
Sep 22, 2023
Decision
Sep 22, 2023
Terminated
Sep 22, 2023
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Mar 30, 2021
3.5-yr
Sep 30, 2024
Paid Sep 18, 2024
7.5-yr
Sep 30, 2028
11.5-yr
Sep 30, 2032
Expiry
Sep 7, 2038
Entity Status
Large Entity
Expires
Sep 7, 2038 (12.5 yr remaining)
Term Adjustment
+79 days (~0.2 yr)
Assignments
AssignmentReel/Frame: 046171/0539Recorded: Jun 22, 2018
From
XINGHUA TAOInventor
Jun 5, 2018
ZENGBIN WEIInventor
Jun 5, 2018
JIANJIAN YIInventor
Jun 5, 2018
XINZHI ZHANGInventor
Jun 5, 2018
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To
NINGDE AMPEREX TECHNOLOGY LIMITED