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Il-2Rbeta-Selective Agonists In Combination With An Anti-Ctla-4 Antibody Or An An Anti-Pd-1 Antibody

Patent No. EP3134123 (titled "Il-2Rbeta-Selective Agonists In Combination With An Anti-Ctla-4 Antibody Or An An Anti-Pd-1 Antibody") was filed by Nektar Therapeutics on Feb 20, 2015. The application was issued on Feb 17, 2021.

Patent Summary

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
GREINER	Nov 17, 2021	GREINER

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Feb 7, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 7, 2024
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Nov 9, 2023
(Electronic) Receipt
Nov 9, 2023
Advice of delivery
Nov 3, 2023
(Electronic) Receipt
Nov 3, 2023
Advice of delivery
Nov 3, 2023
Decision of the Opposition Division and instruction
Nov 3, 2023
Decision revoking the European patent
Nov 3, 2023
Decision revoking the European patent
Nov 3, 2023
Grounds for the decision (Annex) - opposition
Nov 3, 2023
Letter accompanying subsequently filed items
Nov 3, 2023
Means of redress
Nov 3, 2023
Transmittal of decision / summons - opposition
Nov 3, 2023
Transmittal of decision / summons - opposition
Sep 20, 2023
(Electronic) Receipt
Sep 20, 2023
Letter accompanying subsequently filed items
Sep 5, 2023
Notification concerning the date of oral proceedings
Sep 5, 2023
Notification concerning the date of oral proceedings
Jul 4, 2023
Brief communication - Opposition proceedings
Jul 3, 2023
(Electronic) Receipt
Jul 3, 2023
Letter accompanying subsequently filed items
Jul 3, 2023
Written submission in preparation to/during oral proceedings
Apr 19, 2023
(Electronic) Receipt
Apr 19, 2023
Notification concerning the date of oral proceedings
Apr 12, 2023
(Electronic) Receipt
Apr 12, 2023
Letter accompanying subsequently filed items
Apr 12, 2023
Notification concerning the date of oral proceedings
Apr 6, 2023
Annex to the communication - opposition
Apr 6, 2023
Notification concerning the date of oral proceedings
Apr 6, 2023
Notification concerning the date of oral proceedings
Apr 3, 2023
Brief communication - Opposition proceedings
Mar 28, 2023
(Electronic) Receipt
Mar 28, 2023
Letter accompanying subsequently filed items
Mar 28, 2023
Written submission in preparation to/during oral proceedings
Dec 9, 2022
Notification concerning the date of oral proceedings
Dec 9, 2022
Notification concerning the date of oral proceedings
Jul 22, 2022
(Electronic) Receipt
Jul 22, 2022
Advice of delivery
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Advice of delivery
Jul 20, 2022
Annex to the communication - opposition
Jul 20, 2022
Information concerning oral proceedings
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 20, 2022
Scanned annex to a communication - opposition procedure
Jul 20, 2022
Summons to attend oral proceedings
Jul 20, 2022
Summons to attend oral proceedings
Jul 20, 2022
Transmittal of decision / summons - opposition
Jul 20, 2022
Transmittal of decision / summons - opposition
Apr 14, 2022
Brief communication - Opposition proceedings
Apr 8, 2022
(Electronic) Receipt
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure
Apr 8, 2022
Auxiliary request during Opposition procedure - 01
Apr 8, 2022
Auxiliary request during Opposition procedure - 02
Apr 8, 2022
Auxiliary request during Opposition procedure - 03
Apr 8, 2022
Auxiliary request during Opposition procedure - 04
Apr 8, 2022
Auxiliary request during Opposition procedure - 05
Apr 8, 2022
Auxiliary request during Opposition procedure - 06
Apr 8, 2022
Auxiliary request during Opposition procedure - 07
Apr 8, 2022
Auxiliary request during Opposition procedure - 08
Apr 8, 2022
Citation in opposition procedure - 020
Apr 8, 2022
Citation in opposition procedure - 021
Apr 8, 2022
Citation in opposition procedure - 022
Apr 8, 2022
Citation in opposition procedure - 023
Apr 8, 2022
Citation in opposition procedure - 024
Apr 8, 2022
Consolidated list of cited opposition documents
Apr 8, 2022
Letter accompanying subsequently filed items
Apr 8, 2022
Main request during Opposition procedure
Apr 8, 2022
Main request during Opposition procedure
Apr 8, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 1, 2021
Communication of a notice of opposition and request to file observations
Dec 1, 2021
Notice of further oppositions to opponent(s)
Nov 23, 2021
Communication of a notice of opposition - first information to patent proprietor
Nov 17, 2021
(Electronic) Receipt
Nov 17, 2021
Citation in opposition procedure
Nov 17, 2021
Citation in opposition procedure
Nov 17, 2021
Citation in opposition procedure
Nov 17, 2021
Citation in opposition procedure - 001
Nov 17, 2021
Citation in opposition procedure - 002
Nov 17, 2021
Citation in opposition procedure - 003
Nov 17, 2021
Citation in opposition procedure - 004
Nov 17, 2021
Citation in opposition procedure - 005
Nov 17, 2021
Citation in opposition procedure - 006
Nov 17, 2021
Citation in opposition procedure - 007
Nov 17, 2021
Citation in opposition procedure - 008
Nov 17, 2021
Citation in opposition procedure - 009
Nov 17, 2021
Citation in opposition procedure - 010
Nov 17, 2021
Citation in opposition procedure - 011
Nov 17, 2021
Citation in opposition procedure - 012
Nov 17, 2021
Citation in opposition procedure - 013
Nov 17, 2021
Citation in opposition procedure - 014
Nov 17, 2021
Citation in opposition procedure - 015
Nov 17, 2021
Citation in opposition procedure - 016
Nov 17, 2021
Citation in opposition procedure - 017
Nov 17, 2021
Citation in opposition procedure - 018
Nov 17, 2021
Citation in opposition procedure - 019
Nov 17, 2021
Notice of opposition
Nov 17, 2021
Notice of opposition
Mar 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 9, 2021
Payment submission rejected
Jan 21, 2021
Decision to grant a European patent
Jan 14, 2021
Change to the inventor details
Dec 29, 2020
(Electronic) Receipt
Dec 29, 2020
Filing of the translations of the claims
Dec 29, 2020
French translation of claims
Dec 29, 2020
German translation of the claims
Dec 29, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Request concerning the applicant/representative
Aug 19, 2020
Bibliographic data of the European patent application
Aug 19, 2020
Communication about intention to grant a European patent
Aug 19, 2020
Intention to grant (signatures)
Aug 19, 2020
Text intended for grant (clean copy)
Aug 19, 2020
Text intended for grant (version for approval)
Jul 6, 2020
(Electronic) Receipt
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended description with annotations
Jul 6, 2020
Claims
Jul 6, 2020
Description
Jul 6, 2020
Letter accompanying subsequently filed items
Jul 6, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 5, 2020
Bibliographic data of the European patent application
Mar 5, 2020
Communication about intention to grant a European patent
Mar 5, 2020
Intention to grant (signatures)
Mar 5, 2020
Text intended for grant (clean copy)
Mar 5, 2020
Text intended for grant (version for approval)
Oct 21, 2019
Submission concerning representation
Jul 3, 2019
(Electronic) Receipt
Jul 3, 2019
Amended claims with annotations
Jul 3, 2019
Amended description with annotations
Jul 3, 2019
Claims
Jul 3, 2019
Description
Jul 3, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Reply to communication from the Examining Division
May 23, 2019
Communication of the registration of a transfer or change of name and/or address
Apr 25, 2019
Annex to the communication
Apr 25, 2019
Communication from the Examining Division
Mar 11, 2019
Submission concerning representation
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
Amended claims with annotations
Dec 13, 2018
Claims
Dec 13, 2018
Letter accompanying subsequently filed items
Dec 13, 2018
Reply to communication from the Examining Division
Aug 10, 2018
Annex to the communication
Aug 10, 2018
Communication from the Examining Division
Aug 6, 2018
Examination started
Jul 3, 2018
Submission concerning representation
Oct 5, 2017
(Electronic) Receipt
Oct 5, 2017
Letter accompanying subsequently filed items
Oct 5, 2017
Statement of non-availability of priority search results
Aug 25, 2017
Invitation to file a copy of search results(priority)
Jul 12, 2017
(Electronic) Receipt
Jul 12, 2017
Amended claims filed after receipt of (European) search report
Jul 12, 2017
Amended claims with annotations
Jul 12, 2017
Amendments received before examination
Jul 12, 2017
Letter accompanying subsequently filed items
Feb 1, 2017
Notification on forthcoming publication of bibliographic data
Jan 3, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 26, 2016
Communication to designated inventor
Sep 26, 2016
Communication to designated inventor
Sep 26, 2016
Communication to designated inventor
Sep 26, 2016
Communication to designated inventor
Sep 8, 2016
(Electronic) Receipt
Sep 8, 2016
Amended claims filed after receipt of (European) search report
Sep 8, 2016
Request for entry into the European phase
Sep 6, 2016
Copy of the international preliminary report on patentability
Jul 1, 2016
Information on entry into European phase
Sep 17, 2015
Priority document (electronically transmitted)
Sep 17, 2015
Priority document (electronically transmitted)
Aug 27, 2015
Copy of the international search report
Aug 27, 2015
Published international application - A1
Jun 26, 2015
Written opinion of the ISA, boxes No. I to VIII
Jun 26, 2015
Written opinion of the ISA, cover sheet
Jun 26, 2015
Written opinion of the ISA, supplemental box
May 1, 2015
Abstract
May 1, 2015
Claims
May 1, 2015
Description
May 1, 2015
Drawings
May 1, 2015
Submission concerning representation

EP3134123

NEKTAR THERAPEUTICS

Application Number: EP15721044A
Filing Date: Feb 20, 2015
Status: Revoked; Mar 8, 2024
Publication Date: Feb 17, 2021
External Links: Slate, Register , Google Patents