90/014,598BRANCHED POLYMERS8,809,453Closed

Status

Reexamination Certificate Issued

Filed

Oct 26, 2020

Last Updated

Jan 10, 2022

Art Unit

3991

Requester

Unknown

Requester Law Firm

Barnes & Thornburg, LLP

Requested By

Third Party

Patent OwnerInferred

Nektar Therapeutics

P.O. Law Firm

Unknown

Sector (CPC)

CChemistry & Materials
C08Polymers
C08GMacromolecular Condensation Polymers

USPC

525Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series

Reexam History (44 events)

Feb 9, 2022CDENPost Issue Communication - Certificate of Correction Denied
Jan 26, 2022RXLET.Miscellaneous Incoming Letter
Jan 26, 2022RXC/SRCertificate of Service
Jan 20, 2022EIDS.Electronic Information Disclosure Statement
Jan 20, 2022EIDS.Electronic Information Disclosure Statement
Jan 11, 2022CCRDYApplication ready for PDX access by participating foreign offices
Jan 10, 2022REEXInput Issue Number and Issue Date for Reexamination
Jan 6, 2022RXLET.Miscellaneous Incoming Letter
Jan 6, 2022RXC/SRCertificate of Service
Dec 21, 2021RXPUBSReexam Forwarded to Office of Publications
Dec 16, 2021MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Dec 6, 2021RXRLFReExam Litigation Found
Dec 6, 2021RXLITSRReexam Litigation Search Conducted
Dec 3, 2021IDSCInformation Disclosure Statement considered
Oct 6, 2021WIDSInformation Disclosure Statement (IDS) Filed
Oct 6, 2021RXLET.Miscellaneous Incoming Letter
Oct 6, 2021RXIDS.Information Disclosure Statement Filed
Oct 6, 2021RXC/SRCertificate of Service
Oct 6, 2021RXA...Response after Non-Final Action
Aug 6, 2021MR.NFRX - Mail Reexam Non-Final Action
Mar 9, 2021RXFWDXDate Forwarded to Examiner
Dec 29, 2020NRX.Notice of Reexam Published in Official Gazette
Dec 23, 2020MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 8, 2020RXC/SRCertificate of Service
Dec 7, 2020RCCPRX - Concurrent Proceedings Notice
Nov 9, 2020DOCKCase Docketed to Examiner in GAU
Nov 5, 2020RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 5, 2020RXNREQFDNotice of reexamination request filing date
Nov 5, 2020RXNREQAUNotice of assignment of reexamination request
Nov 5, 2020MRXNReexamination Formalities Notice Mailed
Nov 5, 2020MRXNReexamination Formalities Notice Mailed
Nov 5, 2020FTFIFITF set to NO - revise initial setting
Nov 4, 2020RXRLFReExam Litigation Found
Nov 4, 2020RXLITSRReexam Litigation Search Conducted
Nov 4, 2020MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Oct 27, 2020PRXRParalegal Reexam Review Complete
Oct 26, 2020RXTTLRPTTitle Report
Oct 26, 2020RXRLFReExam Litigation Found
Oct 26, 2020RXPA..Change in Power of Attorney (May Include Associate POA)
Oct 26, 2020RXOSUB.RReexamination requested by third party requester
Oct 26, 2020RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 26, 2020RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Oct 26, 2020RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Oct 26, 2020BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2019-01396IPRInstitution Denied

Petitioner

NOF CORPORATION et al.

Petition Filed

Jul 25, 2019

Institution

Feb 10, 2020

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedMar 28, 2014

Prosecution History

DateCodeDescription
Mar 31, 2014P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Mar 28, 2014DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Aug 19, 2014
3.5-yr
Feb 19, 2018
Paid Jan 17, 2018
7.5-yr
Feb 19, 2022
Paid Jan 13, 2022
11.5-yr
Feb 19, 2026
Expiry
Apr 18, 2033

Entity Status

Large Entity

Expires

Apr 18, 2033 (7.1 yr remaining)

Assignments

May 2013Jun 2013Jul 2013Aug 2013FiledNEKTAR THERAPEUTICSWELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENTWELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENTReleaseNEKTAR THERAPEUTICSSecurity InterestTC LENDING, LLC, AS COLLATERAL AGENTRelease
OtherReel/Frame: 031217/0776Recorded: Sep 16, 2013

From

NEKTAR THERAPEUTICS
Aug 27, 2013

To

WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT

ReleaseReel/Frame: 036876/0130Recorded: Oct 14, 2015

From

WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Oct 5, 2015

To

NEKTAR THERAPEUTICS

Security InterestReel/Frame: 036796/0562Recorded: Oct 6, 2015

From

NEKTAR THERAPEUTICS
Oct 5, 2015

To

TC LENDING, LLC, AS COLLATERAL AGENT

ReleaseReel/Frame: 053180/0009Recorded: Apr 17, 2020

From

TC LENDING, LLC, AS COLLATERAL AGENT
Apr 13, 2020

To

NEKTAR THERAPEUTICS