Modified Fluorinated Nucleoside Analogues

Patent No. EP1633766 (titled "Modified Fluorinated Nucleoside Analogues") was filed by Gilead Pharmasset on Apr 21, 2004. The application was issued on Mar 6, 2019.

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
GILLARD	Dec 5, 2019	ELKINGTON AND FIFE

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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Jul 22, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 22, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 17, 2020
Termination of the opposition proceedings with revocation of patent
May 1, 2020
Advice of delivery
May 1, 2020
Cover sheet for fax transmission
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Advice of delivery
Apr 15, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Acknowledgement of a document
Apr 7, 2020
Acknowledgement of a document
Apr 7, 2020
Decision revoking the European patent
Apr 7, 2020
Decision revoking the European patent
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Request for revocation of patent
Dec 20, 2019
Communication of a notice of opposition and request to file observations
Dec 20, 2019
Notice of further oppositions to opponent(s)
Dec 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Dec 13, 2019
Consolidated list of cited opposition documents
Dec 6, 2019
(Electronic) Receipt
Dec 6, 2019
(Electronic) Receipt
Dec 6, 2019
(Electronic) Receipt
Dec 6, 2019
(Electronic) Receipt
Dec 6, 2019
Citation in opposition procedure - 001
Dec 6, 2019
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Citation in opposition procedure - 081
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Citation in opposition procedure - 082
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Citation in opposition procedure - 083
Dec 6, 2019
Letter accompanying subsequently filed items
Dec 6, 2019
Letter accompanying subsequently filed items
Dec 6, 2019
Letter accompanying subsequently filed items
Dec 6, 2019
Letter accompanying subsequently filed items
Dec 6, 2019
Letter regarding the opposition procedure (no time limit)
Dec 6, 2019
Letter regarding the opposition procedure (no time limit)
Dec 6, 2019
Letter regarding the opposition procedure (no time limit)
Dec 6, 2019
Letter regarding the opposition procedure (no time limit)
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
Any annexes (other than citation) to an opposition letter
Dec 5, 2019
International publication (Pamphlet)
Dec 5, 2019
Letter regarding the opposition procedure (no time limit)
Dec 5, 2019
Notice of opposition
Dec 5, 2019
Notice of opposition
Mar 18, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 7, 2019
Decision to grant a European patent
Jan 29, 2019
Bibliographic data of the European patent application
Jan 29, 2019
Information about intention to grant a patent
Jan 29, 2019
Intention to grant (signatures)
Jan 29, 2019
Text intended for grant (clean copy)
Jan 29, 2019
Text intended for grant (version for approval)
Jan 14, 2019
Decision to allow further processing
Dec 24, 2018
(Electronic) Receipt
Dec 24, 2018
Amended claims with annotations
Dec 24, 2018
Claims
Dec 24, 2018
French translation of claims
Dec 24, 2018
German translation of the claims
Dec 24, 2018
Letter accompanying subsequently filed items
Dec 24, 2018
Request for further processing
Oct 17, 2018
Application deemed to be withdrawn ( translations of claims/payment missing)
Apr 30, 2018
Bibliographic data of the European patent application
Apr 30, 2018
Communication about intention to grant a European patent
Apr 30, 2018
Intention to grant (signatures)
Apr 30, 2018
Text intended for grant (clean copy)
Apr 30, 2018
Text intended for grant (version for approval)
Feb 23, 2018
Decision to allow further processing
Feb 9, 2018
(Electronic) Receipt
Feb 9, 2018
Amended description with annotations
Feb 9, 2018
Description
Feb 9, 2018
Letter accompanying subsequently filed items
Feb 9, 2018
Request for further processing
Dec 1, 2017
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Aug 31, 2017
Grant of extension of time limit (examination procedure)
Aug 18, 2017
(Electronic) Receipt
Aug 18, 2017
Letter accompanying subsequently filed items
Aug 18, 2017
Request for extension of time limit to communication from the Examining Division
Apr 21, 2017
Annex to the communication
Apr 21, 2017
Communication from the Examining Division
Apr 4, 2017
Decision to allow further processing
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Amended claims with annotations
Mar 23, 2017
Claims
Mar 23, 2017
Reply to communication from the Examining Division
Mar 23, 2017
Request for further processing
Jan 13, 2017
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 6, 2016
Grant of extension of time limit (examination procedure)
Sep 28, 2016
(Electronic) Receipt
Sep 28, 2016
Letter accompanying subsequently filed items
Sep 28, 2016
Request for extension of time limit to communication from the Examining Division
May 19, 2016
Annex to the communication
May 19, 2016
Communication from the Examining Division
Apr 19, 2016
Decision to allow further processing
Mar 23, 2016
(Electronic) Receipt
Mar 23, 2016
(Electronic) Receipt
Mar 23, 2016
Amended claims with annotations
Mar 23, 2016
Claims
Mar 23, 2016
Letter accompanying subsequently filed items
Mar 23, 2016
Reply to communication from the Examining Division
Mar 23, 2016
Request for further processing
Jan 19, 2016
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 22, 2015
Grant of extension of time limit (examination procedure)
Oct 16, 2015
(Electronic) Receipt
Oct 16, 2015
Letter accompanying subsequently filed items
Oct 16, 2015
Request for extension of time limit to communication from the Examining Division
Sep 25, 2015
Acknowledgement of receipt of third party observations
Sep 25, 2015
Transmittal of third party observations to applicant
Sep 3, 2015
(Electronic) Receipt
Sep 3, 2015
Citation filed by a third party
Sep 3, 2015
Citation filed by a third party
Sep 3, 2015
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Sep 3, 2015
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Sep 3, 2015
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Sep 3, 2015
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Sep 3, 2015
Letter accompanying subsequently filed items
Sep 3, 2015
Observations by third parties
Jun 9, 2015
Annex to the communication
Jun 9, 2015
Communication from the Examining Division
Jan 14, 2015
(Electronic) Receipt
Jan 14, 2015
Annex
Jan 14, 2015
Annex
Jan 14, 2015
Annex
Jan 14, 2015
Letter accompanying subsequently filed items
Jan 14, 2015
Reply from applicant/patentee regarding third party observations
Sep 11, 2014
(Electronic) Receipt
Sep 11, 2014
Citation filed by a third party
Sep 11, 2014
Citation filed by a third party
Sep 11, 2014
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Sep 11, 2014
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Sep 11, 2014
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Sep 11, 2014
Citation filed by a third party
Sep 11, 2014
Letter accompanying subsequently filed items
Sep 11, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Sep 11, 2014
Reply from applicant/patentee regarding third party observations
Sep 8, 2014
(Electronic) Receipt
Sep 8, 2014
Letter accompanying subsequently filed items
Sep 8, 2014
Observations by third parties
Jun 2, 2014
Communication of amended entries concerning the representative
May 23, 2014
Submission concerning change of applicant's representative
Apr 11, 2014
Acknowledgement of receipt of third party observations
Apr 11, 2014
Transmittal of third party observations to applicant
Apr 7, 2014
(Electronic) Receipt
Apr 7, 2014
Citation filed by a third party
Apr 7, 2014
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Apr 7, 2014
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Apr 7, 2014
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Apr 7, 2014
Letter accompanying subsequently filed items
Apr 7, 2014
Observations by third parties
Dec 18, 2013
Acknowledgement of receipt of third party observations
Dec 18, 2013
Transmittal of third party observations to applicant
Nov 22, 2013
(Electronic) Receipt
Nov 22, 2013
Letter accompanying subsequently filed items
Nov 22, 2013
Non-patent literature filed by a third party
Nov 22, 2013
Non-patent literature filed by a third party
Nov 22, 2013
Non-patent literature filed by a third party
Nov 22, 2013
Observations by third parties
Nov 8, 2013
(Electronic) Receipt
Nov 8, 2013
Annex
Nov 8, 2013
Letter accompanying subsequently filed items
Nov 8, 2013
Matter concerning the application
Oct 28, 2013
Acknowledgement of receipt of third party observations
Oct 28, 2013
Transmittal of third party observations to applicant
Aug 30, 2013
Decision to allow further processing
Aug 20, 2013
(Electronic) Receipt
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Annex
Aug 20, 2013
Claims
Aug 20, 2013
Letter accompanying subsequently filed items
Aug 20, 2013
Request for further processing
Jun 11, 2013
Application deemed to be withdrawn (no reply to communication from the Examining Division)
May 15, 2013
(Electronic) Receipt
May 15, 2013
Letter accompanying subsequently filed items
May 15, 2013
Observations by third parties
Apr 30, 2013
(Electronic) Receipt
Apr 30, 2013
Citation filed by a third party
Apr 30, 2013
Letter accompanying subsequently filed items
Apr 30, 2013
Observations by third parties
Mar 1, 2013
Grant of extension of time limit (examination procedure)
Feb 20, 2013
(Electronic) Receipt
Feb 20, 2013
Letter accompanying subsequently filed items
Feb 20, 2013
Request for extension of time limit to communication from the Examining Division
Jan 2, 2013
Grant of extension of time limit (examination procedure)
Dec 18, 2012
(Electronic) Receipt
Dec 18, 2012
Letter accompanying subsequently filed items
Dec 18, 2012
Request for extension of time limit to communication from the Examining Division
Oct 18, 2012
Grant of extension of time limit (examination procedure)
Oct 15, 2012
(Electronic) Receipt
Oct 15, 2012
Letter accompanying subsequently filed items
Oct 15, 2012
Request for extension of time limit to communication from the Examining Division
Sep 26, 2012
Communication of the registration of a transfer or change of name and/or address
Aug 24, 2012
(Electronic) Receipt
Aug 24, 2012
Letter accompanying subsequently filed items
Aug 24, 2012
Submission concerning change of applicant's address
Jun 22, 2012
Annex to the communication
Jun 22, 2012
Communication from the Examining Division
Mar 30, 2012
(Electronic) Receipt
Mar 30, 2012
Letter accompanying subsequently filed items
Mar 30, 2012
Letter concerning fees and payments
Mar 27, 2012
Submission concerning representation
Mar 26, 2012
Communication of the registration of a transfer or change of name and/or address
Mar 1, 2012
(Electronic) Receipt
Mar 1, 2012
Annexes in respect of a client data request
Mar 1, 2012
Letter accompanying subsequently filed items
Mar 1, 2012
Submission concerning change of applicant's name
Feb 27, 2012
Communication of amended entries concerning the representative
Feb 20, 2012
Submission concerning change of applicant's representative
Jul 4, 2011
Communication of amended entries concerning the representative
Jun 30, 2011
Submission concerning change of applicant's representative
Jun 24, 2011
(Electronic) Receipt
Jun 24, 2011
Letter accompanying subsequently filed items
Jun 24, 2011
Submission concerning change of applicant's representative
Jun 23, 2011
Submission concerning change of applicant's representative
Jun 22, 2011
Communication of amended entries concerning the representative
Jun 21, 2011
Acknowledgement of receipt of third party observations
Jun 21, 2011
Annex
Jun 21, 2011
Annex
Jun 21, 2011
Transmittal of third party observations to applicant
Jun 14, 2011
Citation filed by a third party
Jun 14, 2011
Citation filed by a third party
Jun 14, 2011
Observations by third parties
Jun 14, 2011
Patent document filed by a Third party
Jun 14, 2011
Patent document filed by a Third party
Jun 10, 2011
Observations by third parties
May 24, 2011
(Electronic) Receipt
May 24, 2011
Amended claims with annotations
May 24, 2011
Amended description with annotations
May 24, 2011
Claims
May 24, 2011
Description
May 24, 2011
Letter accompanying subsequently filed items
May 24, 2011
Reply to communication from the Examining Division
Jan 24, 2011
Annex to the communication
Jan 24, 2011
Communication from the Examining Division
Jan 11, 2011
(Electronic) Receipt
Jan 11, 2011
Letter accompanying subsequently filed items
Jan 11, 2011
Letter filed during examination procedure after communication from the Examining Division
Apr 26, 2006
Refund of fees
Feb 1, 2006
Notification on forthcoming publication of bibliographic data
Jan 25, 2006
Refund order search fee
Jan 20, 2006
Communication regarding possible amendment of claims/payment of claims fees
Jan 12, 2006
Letter concerning fees and payments
Jan 9, 2006
Matter concerning the application
Jan 9, 2006
Matter concerning the application
Dec 29, 2005
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 29, 2005
Amended claims filed after receipt of (European) search report
Dec 29, 2005
Request for entry into the European phase
Dec 21, 2005
Notification of the recording of a change
Nov 18, 2005
Information on entry into European phase
Oct 27, 2005
Notification of the recording of a change
Mar 3, 2005
Copy of the international search report
Mar 3, 2005
International publication of the international search report
Feb 8, 2005
Priority document (electronically transmitted)
Jan 13, 2005
Published international application - A2
Nov 22, 2004
Submission concerning representation
Sep 6, 2004
Abstract
Sep 6, 2004
Claims
Sep 6, 2004
Description
Sep 6, 2004
Drawings
Apr 21, 2004
Claims

EP1633766

GILEAD PHARMASSET

Application Number: EP04775900A
Filing Date: Apr 21, 2004
Status: Revoked; Jul 24, 2020
Publication Date: Mar 6, 2019
External Links: Slate, Register , Google Patents

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Modified Fluorinated Nucleoside Analogues

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Dossier Documents

EP1633766