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The patent EP2640853 was granted to Ionis Pharmaceuticals on Dec 26, 2018. The application was filed on Nov 17, 2011 under application number EP11840796A. 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 |
|---|---|---|---|
| HOFFMANN EITLE | Sep 25, 2019 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20070989574 |
| DESCRIPTION | US20080026995 |
| DESCRIPTION | US20080026998 |
| DESCRIPTION | US20080056564 |
| DESCRIPTION | US20080086231 |
| DESCRIPTION | US20080097787 |
| DESCRIPTION | US20080099844 |
| DESCRIPTION | US20080915408 |
| DESCRIPTION | WO2008US64591 |
| DESCRIPTION | WO2008US66154 |
| DESCRIPTION | WO2008US68922 |
| DESCRIPTION | US2004171570 |
| DESCRIPTION | US2005130923 |
| DESCRIPTION | US2007213366 |
| DESCRIPTION | US2007287831 |
| DESCRIPTION | US2008039618 |
| DESCRIPTION | US2008300204 |
| DESCRIPTION | US2008306143 |
| DESCRIPTION | US2009123575 |
| DESCRIPTION | US2009286745 |
| DESCRIPTION | US2010031377 |
| DESCRIPTION | US2010036122 |
| DESCRIPTION | US2010056622 |
| DESCRIPTION | US2010179223 |
| DESCRIPTION | US2010261753 |
| DESCRIPTION | US2010278814 |
| DESCRIPTION | US6268490 |
| DESCRIPTION | US6525191 |
| DESCRIPTION | US6670461 |
| DESCRIPTION | US6770748 |
| DESCRIPTION | US6794499 |
| DESCRIPTION | US7034133 |
| DESCRIPTION | US7053207 |
| DESCRIPTION | US7399845 |
| DESCRIPTION | US7427672 |
| DESCRIPTION | US7727957 |
| DESCRIPTION | US7763747 |
| DESCRIPTION | WO03004602 |
| DESCRIPTION | WO2004106356 |
| DESCRIPTION | WO2005021570 |
| DESCRIPTION | WO2007134181 |
| DESCRIPTION | WO2008101157 |
| DESCRIPTION | WO2008150729 |
| DESCRIPTION | WO2008154401 |
| DESCRIPTION | WO2009006478 |
| DESCRIPTION | WO2009079399 |
| DESCRIPTION | WO9414226 |
| DESCRIPTION | WO9839352 |
| DESCRIPTION | WO9914226 |
| INTERNATIONAL-SEARCH-REPORT | US2007225209 |
| INTERNATIONAL-SEARCH-REPORT | US2008003570 |
| INTERNATIONAL-SEARCH-REPORT | US2009092981 |
| INTERNATIONAL-SEARCH-REPORT | US2010204306 |
| INTERNATIONAL-SEARCH-REPORT | US5102785 |
| INTERNATIONAL-SEARCH-REPORT | US6833361 |
| INTERNATIONAL-SEARCH-REPORT | US7750141 |
| OPPOSITION | US2008003570 |
| OPPOSITION | WO2006034348 |
| OPPOSITION | WO2009079399 |
| OPPOSITION | WO2012068405 |
| SEARCH | WO2007135426 |
| SEARCH | WO2009079399 |
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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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
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Reply to appeal
Appeal
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Appeal
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Search/Exam
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Decision to grant a European patent
Search/Exam
Oct 29, 2018
(Electronic) Receipt
Search/Exam
Oct 29, 2018
Filing of the translations of the claims
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Oct 29, 2018
French translation of claims
Search/Exam
Oct 29, 2018
German translation of the claims
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Oct 29, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (sequence listing)
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(Electronic) Receipt
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Amended claims with annotations
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Jun 8, 2018
Letter accompanying subsequently filed items
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Jun 8, 2018
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Intention to grant (signatures)
Search/Exam
Feb 2, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 2, 2018
Text intended for grant (sequence listing)
Search/Exam
Feb 2, 2018
Nov 29, 2017
Refund of fees
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Sep 6, 2017
(Electronic) Receipt
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Sep 6, 2017
Amended claims with annotations
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Sep 6, 2017
Amended description with annotations
Search/Exam
Sep 6, 2017
Claims
Search/Exam
Sep 6, 2017
Description
Search/Exam
Sep 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2017
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(Electronic) Receipt
Search/Exam
Jun 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2017
Feb 24, 2017
Annex to the communication
Search/Exam
Feb 24, 2017
Communication from the Examining Division
Search/Exam
Feb 17, 2017
Examination started
Search/Exam
Nov 28, 2016
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Annexes in respect of a client data request
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Jan 5, 2016
Dec 22, 2015
Nov 3, 2015
(Electronic) Receipt
Search/Exam
Nov 3, 2015
Amended claims with annotations
Search/Exam
Nov 3, 2015
Claims
Search/Exam
Nov 3, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2015
Matter concerning the application
Search/Exam
Oct 21, 2015
Decision to allow further processing
Search/Exam
Oct 8, 2015
(Electronic) Receipt
Search/Exam
Oct 8, 2015
Oct 8, 2015
Amended claims with annotations
Search/Exam
Oct 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2015
Request for further processing
Search/Exam
Aug 10, 2015
Jun 25, 2015
(Electronic) Receipt
Search/Exam
Jun 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 25, 2015
Maintenance of the application
Search/Exam
Dec 23, 2014
Dec 4, 2014
Dec 4, 2014
European search opinion
Search/Exam
Dec 4, 2014
Supplementary European search report
Search/Exam
Nov 21, 2014
Search started
Search/Exam
Aug 28, 2013
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Jul 9, 2013
Communication to designated inventor
Search/Exam
Jul 9, 2013
Communication to designated inventor
Search/Exam
Jul 9, 2013
Communication to designated inventor
Search/Exam
Jun 17, 2013
(Electronic) Receipt
Search/Exam
Jun 17, 2013
Jun 17, 2013
Amended claims with annotations
Search/Exam
Jun 17, 2013
Converted Sequence Listing
Search/Exam
Jun 17, 2013
Request for entry into the European phase
Search/Exam
Jun 7, 2013
Apr 2, 2013
Information on entry into European phase
Search/Exam
Jul 12, 2012
Copy of the international search report
Search/Exam
Jul 12, 2012
Jun 12, 2012
May 24, 2012
Published international application - A2
Search/Exam