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The patent EP2399588 was granted to Ionis Pharmaceuticals on Apr 29, 2020. The application was filed on Jan 18, 2002 under application number EP11178613A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| GILEAD SCIENCES | Jan 7, 2021 | J A KEMP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE408366 |
| DESCRIPTION | EP0043722 |
| DESCRIPTION | EP0866070 |
| DESCRIPTION | GB2337262 |
| DESCRIPTION | US3480613 |
| DESCRIPTION | US3654262 |
| DESCRIPTION | US4439604 |
| DESCRIPTION | US5413999 |
| DESCRIPTION | US5770725 |
| DESCRIPTION | US5849905 |
| DESCRIPTION | US5922695 |
| DESCRIPTION | US5977089 |
| DESCRIPTION | US6020482 |
| DESCRIPTION | US6043230 |
| DESCRIPTION | US6069249 |
| DESCRIPTION | WO0009543 |
| DESCRIPTION | WO0025780 |
| DESCRIPTION | WO0059929 |
| DESCRIPTION | WO0100622 |
| DESCRIPTION | WO0160379 |
| DESCRIPTION | WO0174768 |
| DESCRIPTION | WO0181325 |
| DESCRIPTION | WO9741211 |
| DESCRIPTION | WO9817679 |
| DESCRIPTION | WO9822496 |
| DESCRIPTION | WO9846630 |
| DESCRIPTION | WO9907733 |
| DESCRIPTION | WO9907734 |
| DESCRIPTION | WO9938888 |
| DESCRIPTION | WO9950230 |
| DESCRIPTION | WO9964442 |
| OPPOSITION | US6063628 |
| OPPOSITION | US7964580 |
| OPPOSITION | WO0190121 |
| OPPOSITION | WO9312132 |
| OPPOSITION | WO9943691 |
| SEARCH | US6063628 |
| SEARCH | WO0190121 |
| SEARCH | WO9312132 |
| SEARCH | WO9943691 |
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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Nov 18, 2022
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Means of redress
OPPO
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Dec 15, 2020
Document concerning representation
Search/Exam
May 11, 2020
Apr 2, 2020
Decision to grant a European patent
Search/Exam
Mar 18, 2020
(Electronic) Receipt
Search/Exam
Mar 18, 2020
Filing of the translations of the claims
Search/Exam
Mar 18, 2020
French translation of claims
Search/Exam
Mar 18, 2020
German translation of the claims
Search/Exam
Mar 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Intention to grant (signatures)
Search/Exam
Nov 15, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 15, 2019
Oct 10, 2019
Oct 4, 2019
Observations by third parties
Search/Exam
Sep 24, 2019
Decision to allow further processing
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Amended claims with annotations
Search/Exam
Sep 12, 2019
Amended description with annotations
Search/Exam
Sep 12, 2019
Claims
Search/Exam
Sep 12, 2019
Description
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2019
Request for further processing
Search/Exam
Jul 3, 2019
Apr 4, 2019
Mar 29, 2019
(Electronic) Receipt
Search/Exam
Mar 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2019
Nov 22, 2018
Annex to the communication
Search/Exam
Nov 22, 2018
Communication from the Examining Division
Search/Exam
Sep 12, 2018
Aug 31, 2018
Decision to allow further processing
Search/Exam
Aug 31, 2018
Observations by third parties
Search/Exam
Aug 10, 2018
(Electronic) Receipt
Search/Exam
Aug 10, 2018
Amended claims with annotations
Search/Exam
Aug 10, 2018
Claims
Search/Exam
Aug 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2018
Request for further processing
Search/Exam
Jun 1, 2018
Jan 22, 2018
Jan 16, 2018
(Electronic) Receipt
Search/Exam
Jan 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2018
Oct 19, 2017
Annex to the communication
Search/Exam
Oct 19, 2017
Communication from the Examining Division
Search/Exam
Aug 11, 2017
Decision to allow further processing
Search/Exam
Jun 6, 2017
(Electronic) Receipt
Search/Exam
Jun 6, 2017
Claims
Search/Exam
Jun 6, 2017
Claims
Search/Exam
Jun 6, 2017
Claims
Search/Exam
Jun 6, 2017
Claims
Search/Exam
Jun 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2017
Jun 6, 2017
Request for further processing
Search/Exam
Mar 27, 2017
Dec 9, 2016
Dec 6, 2016
(Electronic) Receipt
Search/Exam
Dec 6, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2016
Aug 16, 2016
Annex to the communication
Search/Exam
Aug 16, 2016
Communication from the Examining Division
Search/Exam
May 23, 2016
Decision to allow further processing
Search/Exam
Mar 29, 2016
(Electronic) Receipt
Search/Exam
Mar 29, 2016
Amended claims with annotations
Search/Exam
Mar 29, 2016
Amended claims with annotations
Search/Exam
Mar 29, 2016
Claims
Search/Exam
Mar 29, 2016
Claims
Search/Exam
Mar 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2016
Request for further processing
Search/Exam
Jan 15, 2016
Jan 14, 2016
Jan 6, 2016
Annexes in respect of a client data request
Search/Exam
Jan 5, 2016
Dec 22, 2015
Request for change of name -opponent
Search/Exam
Oct 21, 2015
Oct 15, 2015
(Electronic) Receipt
Search/Exam
Oct 15, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2015
Jun 8, 2015
Annex to the communication
Search/Exam
Jun 8, 2015
Communication from the Examining Division
Search/Exam
Jan 28, 2015
Refund of fees
Search/Exam
Nov 21, 2014
Nov 14, 2014
Observations by third parties
Search/Exam
Jun 3, 2014
(Electronic) Receipt
Search/Exam
Jun 3, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2014
Feb 7, 2014
Annex to the communication
Search/Exam
Feb 7, 2014
Communication from the Examining Division
Search/Exam
Feb 4, 2013
(Electronic) Receipt
Search/Exam
Feb 4, 2013
Feb 4, 2013
Feb 4, 2013
Feb 4, 2013
Feb 4, 2013
Amendments received before examination
Search/Exam
Feb 4, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2012
Decision to allow further processing
Search/Exam
Oct 17, 2012
(Electronic) Receipt
Search/Exam
Oct 17, 2012
Oct 17, 2012
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2012
Request for further processing
Search/Exam
Aug 9, 2012
Jul 11, 2012
Jul 6, 2012
Jul 5, 2012
Annexes in respect of a client data request
Search/Exam
Jul 5, 2012
Annexes in respect of a client data request
Search/Exam
Jun 29, 2012
Jun 29, 2012
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Jan 2, 2012
Dec 20, 2011
Dec 20, 2011
Dec 20, 2011
Dec 14, 2011
Letter which had not been notified
Search/Exam
Dec 13, 2011
Letter which had not been notified
Search/Exam
Dec 13, 2011
Letter which had not been notified
Search/Exam
Nov 30, 2011
Notification of forthcoming publication
Search/Exam
Nov 28, 2011
Nov 28, 2011
European search opinion
Search/Exam
Nov 28, 2011
European search report
Search/Exam
Aug 24, 2011
Abstract
Search/Exam
Aug 24, 2011
Aug 24, 2011
Claims
Search/Exam
Aug 24, 2011
Description
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Designation of inventor
Search/Exam
Aug 24, 2011
Request for grant of a European patent
Search/Exam
Jul 30, 2002
Jul 30, 2002
Jul 30, 2002
Jul 30, 2002