Il-21 Antagonists

Patent No. EP2567973 (titled "Il-21 Antagonists") was filed by Zymogenetics on Nov 28, 2006. The application was issued on May 14, 2014.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
ELI LILLY	Feb 13, 2015	KENT

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

Jul 21, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 21, 2017
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 18, 2017
Termination of the opposition proceedings with revocation of patent
Apr 12, 2017
(Electronic) Receipt
Apr 12, 2017
Advice of delivery
Apr 12, 2017
Advice of delivery
Apr 12, 2017
Advice of delivery
Apr 12, 2017
Letter accompanying subsequently filed items
Apr 7, 2017
Acknowledgement of a document
Apr 7, 2017
Acknowledgement of a document
Apr 7, 2017
Annex to the communication - opposition
Apr 7, 2017
Decision of the Opposition Division and instruction
Apr 7, 2017
Decision revoking the European patent
Apr 7, 2017
Grounds for the decision (Annex) - opposition
Apr 7, 2017
Internal form - Opposition/addressees
Apr 7, 2017
Internal form - Opposition/addressees
Apr 7, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 7, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 7, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 7, 2017
Provision of a copy of the minutes - opposition procedure
Mar 21, 2017
Information about the result of oral proceedings
Feb 27, 2017
Brief communication - Opposition proceedings
Feb 27, 2017
Brief communication - Opposition proceedings
Feb 21, 2017
(Electronic) Receipt
Feb 21, 2017
(Electronic) Receipt
Feb 21, 2017
Auxiliary request during Opposition procedure
Feb 21, 2017
Letter accompanying subsequently filed items
Feb 21, 2017
Letter accompanying subsequently filed items
Feb 21, 2017
Letter regarding the opposition procedure (no time limit)
Feb 21, 2017
Letter regarding the opposition procedure (no time limit)
Feb 21, 2017
Main request during Opposition procedure
Feb 21, 2017
Non-patent literature cited during the opposition procedure
Jan 23, 2017
Brief communication - Opposition proceedings
Jan 17, 2017
(Electronic) Receipt
Jan 17, 2017
Letter accompanying subsequently filed items
Jan 17, 2017
Letter regarding the opposition procedure (no time limit)
Dec 1, 2016
Brief communication - Opposition proceedings
Nov 24, 2016
(Electronic) Receipt
Nov 24, 2016
Citation in opposition procedure
Nov 24, 2016
Citation in opposition procedure
Nov 24, 2016
Citation in opposition procedure
Nov 24, 2016
Citation in opposition procedure
Nov 24, 2016
Letter accompanying subsequently filed items
Nov 24, 2016
Letter regarding the opposition procedure (no time limit)
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Oct 12, 2016
Brief communication - Opposition proceedings
Oct 6, 2016
(Electronic) Receipt
Oct 6, 2016
Letter accompanying subsequently filed items
Oct 6, 2016
Letter regarding the opposition procedure (no time limit)
Jun 30, 2016
(Electronic) Receipt
Jun 30, 2016
Advice of delivery
Jun 30, 2016
Advice of delivery
Jun 30, 2016
Letter accompanying subsequently filed items
Jun 22, 2016
Acknowledgement of a document
Jun 22, 2016
Acknowledgement of a document
Jun 22, 2016
Annex to the communication - opposition
Jun 22, 2016
Information concerning oral proceedings
Jun 22, 2016
Preparation for oral proceedings
Jun 22, 2016
Scanned annex to a communication - opposition procedure
Jun 22, 2016
Summons to attend oral proceedings
Jun 22, 2016
Summons to attend oral proceedings
Nov 30, 2015
Brief communication - Opposition proceedings
Nov 24, 2015
(Electronic) Receipt
Nov 24, 2015
Amended claims with annotations
Nov 24, 2015
Amended claims with annotations
Nov 24, 2015
Amended claims with annotations
Nov 24, 2015
Auxiliary request during Opposition procedure
Nov 24, 2015
Auxiliary request during Opposition procedure
Nov 24, 2015
Auxiliary request during Opposition procedure
Nov 24, 2015
Citation in opposition procedure
Nov 24, 2015
Citation in opposition procedure
Nov 24, 2015
Citation in opposition procedure
Nov 24, 2015
Citation in opposition procedure
Nov 24, 2015
Letter accompanying subsequently filed items
Nov 24, 2015
Non-patent literature cited during the opposition procedure
Nov 24, 2015
Patent document cited during the opposition procedure
Nov 24, 2015
Reply of the patent proprietor to the notice(s) of opposition
Nov 24, 2015
Reply of the patent proprietor to the notice(s) of opposition
Sep 2, 2015
Brief communication - Opposition proceedings
Sep 2, 2015
Grant of extension of time limit (opposition procedure)
Aug 26, 2015
(Electronic) Receipt
Aug 26, 2015
Letter accompanying subsequently filed items
Aug 26, 2015
Request for extension of time limit
Jul 17, 2015
Brief communication - Opposition proceedings
Jul 17, 2015
Grant of extension of time limit (opposition procedure)
Jul 10, 2015
(Electronic) Receipt
Jul 10, 2015
Letter accompanying subsequently filed items
Jul 10, 2015
Request for extension of time limit
Mar 24, 2015
Communication of a notice of opposition and request to file observations
Mar 24, 2015
Notice of further oppositions to opponent(s)
Mar 12, 2015
Communication of a notice of opposition - first information to patent proprietor
Feb 13, 2015
(Electronic) Receipt
Feb 13, 2015
Citation in opposition procedure
Feb 13, 2015
Citation in opposition procedure
Feb 13, 2015
Citation in opposition procedure
Feb 13, 2015
Citation in opposition procedure
Feb 13, 2015
Citation in opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Non-patent literature cited during the opposition procedure
Feb 13, 2015
Notice of opposition
Feb 13, 2015
Notice of opposition
Feb 13, 2015
Patent document cited during the opposition procedure
Feb 13, 2015
Patent document cited during the opposition procedure
Feb 13, 2015
Patent document cited during the opposition procedure
Feb 13, 2015
Patent document cited during the opposition procedure
Feb 13, 2015
Patent document cited during the opposition procedure
Feb 13, 2015
Patent document cited during the opposition procedure
May 16, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 17, 2014
Decision to grant a European patent
Apr 7, 2014
(Electronic) Receipt
Apr 7, 2014
Filing of the translations of the claims
Apr 7, 2014
French translation of claims
Apr 7, 2014
German translation of the claims
Apr 7, 2014
Letter accompanying subsequently filed items
Mar 6, 2014
Bibliographic data of the European patent application
Mar 6, 2014
Communication about intention to grant a European patent
Mar 6, 2014
Intention to grant (signatures)
Mar 6, 2014
Text intended for grant
Feb 28, 2014
Submission concerning representation
Jan 23, 2014
Examination started
Aug 6, 2013
(Electronic) Receipt
Aug 6, 2013
Amended claims filed after receipt of (European) search report
Aug 6, 2013
Amended claims with annotations
Aug 6, 2013
Amended description filed after receipt of (European) search report
Aug 6, 2013
Amended description with annotations
Aug 6, 2013
Amendments received before examination
Aug 6, 2013
Letter accompanying subsequently filed items
Jul 15, 2013
Refund of fees
Jul 15, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 11, 2013
Communication regarding the transmission of the European search report
Jun 11, 2013
European search opinion
Jun 11, 2013
European search report
Mar 18, 2013
Refund of fees
Mar 13, 2013
Communication to designated inventor
Mar 13, 2013
Communication to designated inventor
Mar 7, 2013
(Electronic) Receipt
Mar 7, 2013
Letter accompanying subsequently filed items
Mar 7, 2013
Letter concerning the inventor
Mar 6, 2013
(Electronic) Receipt
Mar 6, 2013
Letter accompanying subsequently filed items
Mar 6, 2013
Letter concerning the inventor
Mar 4, 2013
Invitation to indicate correct address of inventor
Mar 4, 2013
Invitation to indicate correct address of inventor
Feb 25, 2013
Letter which had not been notified
Feb 25, 2013
Letter which had not been notified
Feb 13, 2013
Notification of forthcoming publication
Jan 25, 2013
Communication to designated inventor
Jan 25, 2013
Communication to designated inventor
Dec 20, 2012
(Electronic) Receipt
Dec 20, 2012
Claims
Dec 20, 2012
Letter accompanying subsequently filed items
Dec 20, 2012
Matter concerning the application
Dec 14, 2012
Invitation to file claims
Dec 4, 2012
(Electronic) Receipt
Dec 4, 2012
Letter accompanying subsequently filed items
Dec 4, 2012
Letter concerning fees and payments
Nov 9, 2012
Abstract
Nov 9, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 9, 2012
Certificate of deposit of biological material
Nov 9, 2012
Certificate of deposit of biological material
Nov 9, 2012
Converted Sequence Listing
Nov 9, 2012
Description
Nov 9, 2012
Designation of inventor
Nov 9, 2012
Designation of inventor
Nov 9, 2012
Document related to search matters
Nov 9, 2012
Matter concerning the application
Nov 9, 2012
Request for grant of a European patent (divisional application)
Oct 4, 2007
Priority document

EP2567973

ZYMOGENETICS

Application Number: EP12192046A
Filing Date: Nov 28, 2006
Status: Revoked; Apr 15, 2019
Publication Date: May 14, 2014
External Links: Slate, Register , Google Patents

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Il-21 Antagonists

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Dossier Documents

EP2567973