2-Branched Nucleosides And Flaviviridae Mutation

Patent No. EP1576138 (titled "2-Branched Nucleosides And Flaviviridae Mutation") was filed by Idenix Cayman on Nov 17, 2003. The application was issued on Feb 1, 2017.

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
GILEAD SCIENCES	Oct 31, 2017	NIEUWENHUYS

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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Jun 26, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 26, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 21, 2019
Termination of the opposition proceedings with revocation of patent
Mar 18, 2019
Advice of delivery
Mar 13, 2019
Advice of delivery
Mar 11, 2019
(Electronic) Receipt
Mar 11, 2019
Acknowledgement of a document
Mar 11, 2019
Acknowledgement of a document
Mar 11, 2019
Decision revoking the European patent
Mar 11, 2019
Decision revoking the European patent
Mar 11, 2019
Request for revocation of patent
Mar 6, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Request for revocation of patent
Mar 1, 2019
Request for revocation of patent
Nov 1, 2018
Advice of delivery
Oct 31, 2018
Advice of delivery
Oct 29, 2018
Advice of delivery
Oct 26, 2018
Acknowledgement of a document
Oct 26, 2018
Acknowledgement of a document
Oct 26, 2018
Annex to the communication - opposition
Oct 26, 2018
Information concerning oral proceedings
Oct 26, 2018
Preparation for oral proceedings
Oct 26, 2018
Summons to attend oral proceedings
Oct 26, 2018
Summons to attend oral proceedings
Jun 28, 2018
Brief communication - Opposition proceedings
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
Amended claims with annotations
Jun 20, 2018
Amended claims with annotations
Jun 20, 2018
Any annexes (other than citation) to an opposition letter
Jun 20, 2018
Citation in opposition procedure
Jun 20, 2018
Claims
Jun 20, 2018
Claims
Jun 20, 2018
Claims
Jun 20, 2018
Claims
Jun 20, 2018
Letter accompanying subsequently filed items
Jun 20, 2018
Non-patent literature cited during the opposition procedure
Jun 20, 2018
Non-patent literature cited during the opposition procedure
Jun 20, 2018
Non-patent literature cited during the opposition procedure
Jun 20, 2018
Non-patent literature cited during the opposition procedure
Jun 20, 2018
Reply of the patent proprietor to the notice(s) of opposition
May 15, 2018
Communication of amended entries concerning the representative
May 8, 2018
Submission concerning change of applicant's representative
Feb 16, 2018
Communication of a notice of opposition and request to file observations
Feb 16, 2018
Notice of further oppositions to opponent(s)
Nov 7, 2017
Communication of a notice of opposition - first information to patent proprietor
Oct 31, 2017
(Electronic) Receipt
Oct 31, 2017
Citation in opposition procedure
Oct 31, 2017
Non-patent literature cited during the opposition procedure
Oct 31, 2017
Non-patent literature cited during the opposition procedure
Oct 31, 2017
Notice of opposition
Oct 31, 2017
Notice of opposition
Oct 31, 2017
Patent document cited during the opposition procedure
Oct 31, 2017
Patent document cited during the opposition procedure
Oct 31, 2017
Patent document cited during the opposition procedure
May 24, 2017
Communication concerning corrected entries of the applicant
Feb 8, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 6, 2017
Communication of the registration of a transfer or change of name and/or address
Jan 19, 2017
(Electronic) Receipt
Jan 19, 2017
Submission concerning change of applicant's address
Jan 5, 2017
Decision to grant a European patent
Dec 22, 2016
Bibliographic data of the European patent application
Dec 22, 2016
Information about intention to grant a patent
Dec 22, 2016
Intention to grant (signatures)
Dec 22, 2016
Text intended for grant (clean copy)
Dec 22, 2016
Text intended for grant (version for approval)
Dec 20, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Nov 28, 2016
Communication concerning corrected entries of the applicant
Nov 3, 2016
(Electronic) Receipt
Nov 3, 2016
Amended claims with annotations
Nov 3, 2016
Claims
Nov 3, 2016
Description
Nov 3, 2016
French translation of claims
Nov 3, 2016
German translation of the claims
Nov 3, 2016
Letter accompanying subsequently filed items
Nov 3, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 7, 2016
Bibliographic data of the European patent application
Jul 7, 2016
Communication about intention to grant a European patent
Jul 7, 2016
Intention to grant (signatures)
Jul 7, 2016
Text intended for grant (clean copy)
Jul 7, 2016
Text intended for grant (version for approval)
May 23, 2016
(Electronic) Receipt
May 23, 2016
Description
May 23, 2016
Letter accompanying subsequently filed items
May 23, 2016
Matter concerning the application
May 13, 2016
Communication of the registration of a transfer or change of name and/or address
May 7, 2016
Submission concerning change of applicant's name
Apr 28, 2016
Submission concerning change of applicant's name
Mar 16, 2016
(Electronic) Receipt
Mar 16, 2016
Amended claims with annotations
Mar 16, 2016
Claims
Mar 16, 2016
Description
Mar 16, 2016
Drawings
Mar 16, 2016
Letter accompanying subsequently filed items
Mar 16, 2016
Reply to communication from the Examining Division
Nov 18, 2015
Annex to the communication
Nov 18, 2015
Communication from the Examining Division
Oct 6, 2014
(Electronic) Receipt
Oct 6, 2014
Amended claims with annotations
Oct 6, 2014
Claims
Oct 6, 2014
Letter accompanying subsequently filed items
Oct 6, 2014
Reply to communication from the Examining Division
Jul 18, 2014
Grant of extension of time limit (examination procedure)
Jul 15, 2014
(Electronic) Receipt
Jul 15, 2014
Letter accompanying subsequently filed items
Jul 15, 2014
Request for extension of time limit to communication from the Examining Division
Mar 27, 2014
Annex to the communication
Mar 27, 2014
Communication from the Examining Division
Mar 5, 2014
(Electronic) Receipt
Mar 5, 2014
Enquiry as to when a communication from the Examining Division can be expected
Mar 5, 2014
Letter accompanying subsequently filed items
Nov 22, 2013
Communication of amended entries concerning the representative
Nov 18, 2013
Submission concerning change of applicant's representative
May 16, 2013
(Electronic) Receipt
May 16, 2013
Enquiry as to when a communication from the Examining Division can be expected
May 16, 2013
Letter accompanying subsequently filed items
Apr 22, 2013
Communication of the registration of a transfer or change of name and/or address
Apr 17, 2013
Communication of amended entries concerning the representative
Apr 16, 2013
Submission concerning change of applicant's address
Apr 4, 2013
Submission concerning change of applicant's representative
Mar 27, 2013
Submission concerning change of applicant's representative
Feb 6, 2012
(Electronic) Receipt
Feb 6, 2012
Annex
Feb 6, 2012
Claims
Feb 6, 2012
Letter accompanying subsequently filed items
Feb 6, 2012
Reply to communication from the Examining Division
Dec 27, 2011
Communication of the registration of a transfer or change of name and/or address
Dec 8, 2011
Grant of extension of time limit (examination procedure)
Dec 2, 2011
(Electronic) Receipt
Dec 2, 2011
Letter accompanying subsequently filed items
Dec 2, 2011
Request for extension of time limit to communication from the Examining Division
Nov 30, 2011
Submission concerning a transfer of rights (applicant)
Jul 26, 2011
Annex to the communication
Jul 26, 2011
Communication from the Examining Division
Jun 30, 2010
Submission concerning representation
Nov 10, 2009
CDS Clean up - amended data concerning the representative for the applicant
Mar 4, 2009
Amended claims filed after receipt of (European) search report
Mar 4, 2009
Amendments received before examination
Feb 26, 2009
Amended claims filed after receipt of (European) search report
Feb 26, 2009
Amendments received before examination
Feb 25, 2009
Amendments received before examination
Feb 25, 2009
Claims
Oct 31, 2008
Maintenance of the application
Oct 29, 2008
Maintenance of the application
Aug 19, 2008
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 31, 2008
Communication regarding the transmission of the European search report
Jul 31, 2008
Supplementary European search report
May 16, 2008
General enquiry
Oct 17, 2007
General enquiry
Oct 11, 2006
Letter which had not been notified
Apr 4, 2006
Communication regarding possible amendment of claims/payment of claims fees
Mar 23, 2006
Reminder for payment period (examination fee/designation fees)
Mar 2, 2006
Copy of the international search report
Mar 2, 2006
International publication of the international search report
Feb 1, 2006
Enquiry with the International Bureau
Aug 10, 2005
Notification on forthcoming publication of bibliographic data
Jul 11, 2005
Reply by International Bureau
Jun 22, 2005
Enquiry with the International Bureau
Jun 10, 2005
Letter concerning fees and payments
Jun 9, 2005
Amended claims filed after receipt of (European) search report
Jun 9, 2005
Amendments received before examination
Jun 9, 2005
Letter concerning fees and payments
Jun 9, 2005
Payment of fees and costs
Jun 9, 2005
Request for entry into the European phase
Jun 8, 2005
Request for entry into the European phase
Apr 8, 2005
Information on entry into European phase
Jun 30, 2004
Priority document (electronically transmitted)
Jun 3, 2004
Published international application - A2

EP1576138

IDENIX CAYMAN

Application Number: EP03796412A
Filing Date: Nov 17, 2003
Status: Revoked; Jun 28, 2019
Publication Date: Feb 1, 2017
External Links: Slate, Register , Google Patents

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2-Branched Nucleosides And Flaviviridae Mutation

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Dossier Documents

EP1576138