90/014,390HYDROPHILIC LINKERS AND THEIR USES FOR CONJUGATION OF DRUGS TO A CELL BINDING MOLECULES10,131,682Closed
Status
Reexamination Certificate Issued
Requester
Unknown
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (45 events)
Apr 25, 2024C.ADBCorrespondence Address Change
Jan 1, 2021CCRDYApplication ready for PDX access by participating foreign offices
Dec 31, 2020REEXInput Issue Number and Issue Date for Reexamination
Dec 1, 2020RXPUBSReexam Forwarded to Office of Publications
Nov 30, 2020RXLET.Miscellaneous Incoming Letter
Nov 30, 2020MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Nov 5, 2020RXLITSRReexam Litigation Search Conducted
Nov 3, 2020RXC/SRCertificate of Service
Nov 3, 2020RXAAF.Response to Final Filed (or Ready for Examiner Action)
Oct 29, 2020MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Oct 21, 2020IDSCInformation Disclosure Statement considered
Oct 20, 2020RXAAF.Response to Final Filed (or Ready for Examiner Action)
Oct 20, 2020RXC/SRCertificate of Service
Oct 1, 2020WIDSInformation Disclosure Statement (IDS) Filed
Oct 1, 2020RXIDS.Information Disclosure Statement Filed
Sep 28, 2020MRXFRRX - Mail Final Rejection
Sep 26, 2020RXTTLRPTTitle Report
Sep 10, 2020IDSCInformation Disclosure Statement considered
Aug 24, 2020MREXNRX - Mail Examiner Interview Summary Record
Aug 13, 2020WIDSInformation Disclosure Statement (IDS) Filed
Aug 13, 2020RXIDS.Information Disclosure Statement Filed
Aug 12, 2020RXA...Response after Non-Final Action
Aug 12, 2020RXC/SRCertificate of Service
Jun 12, 2020MR.NFRX - Mail Reexam Non-Final Action
Feb 6, 2020RXFWDXDate Forwarded to Examiner
Dec 24, 2019NRX.Notice of Reexam Published in Official Gazette
Nov 27, 2019MREXORX - Mail Ex Parte Request for Reexamination Granted
Nov 13, 2019IDSCInformation Disclosure Statement considered
Nov 8, 2019MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Nov 5, 2019RXDOCKReexam Assigned to Examiner for Determination
Nov 5, 2019DOCKCase Docketed to Examiner in GAU
Oct 25, 2019MRXNReexamination Formalities Notice Mailed
Oct 25, 2019MRXNReexamination Formalities Notice Mailed
Oct 24, 2019RXNREQAUNotice of assignment of reexamination request
Oct 24, 2019FTFIFITF set to NO - revise initial setting
Oct 24, 2019RXNREQFDNotice of reexamination request filing date
Oct 24, 2019RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 22, 2019RXLITSRReexam Litigation Search Conducted
Oct 22, 2019PRXRParalegal Reexam Review Complete
Oct 16, 2019BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Oct 16, 2019RXIDS.Information Disclosure Statement Filed
Oct 16, 2019RXC/SRCertificate of Service
Oct 16, 2019WIDSInformation Disclosure Statement (IDS) Filed
Oct 16, 2019RXOSUB.RReexamination requested by third party requester
Oct 16, 2019RXOSUBReceipt of Original Ex Parte Reexam Request
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2022-01531IPR — Final Written Decision
Petitioner
SynAffix B.V.
Petition Filed
Feb 9, 2023
Institution
Aug 30, 2024
Decision
Aug 26, 2025
Terminated
Aug 26, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Nov 20, 2018
3.5-yr
May 20, 2022
Paid May 4, 2022
7.5-yr
May 20, 2026
11.5-yr
May 20, 2030
Expiry
Dec 2, 2035
Entity Status
Small Entity
Expires
Dec 2, 2035 (9.7 yr remaining)
Term Adjustment
+250 days (~0.7 yr)
Assignments
AssignmentReel/Frame: 040979/0303Recorded: Dec 15, 2016
From
R. YONGXIN ZHAOInventor
Dec 15, 2016
→
To
HANGZHOU DAC BIOTECH CO., LTD.