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The patent EP3321361 was granted to Ionis Pharmaceuticals on Mar 27, 2019. The application was filed on Feb 8, 2011 under application number EP17206749A. 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 | Dec 27, 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 | US20080099844 |
| DESCRIPTION | US20080915408 |
| DESCRIPTION | US2004171570 |
| DESCRIPTION | US2005130923 |
| DESCRIPTION | US2007287831 |
| DESCRIPTION | US2008039618 |
| DESCRIPTION | US6268490 |
| DESCRIPTION | US6525191 |
| DESCRIPTION | US6670461 |
| DESCRIPTION | US6770748 |
| DESCRIPTION | US6794499 |
| DESCRIPTION | US7034133 |
| DESCRIPTION | US7053207 |
| DESCRIPTION | US7399845 |
| DESCRIPTION | US7427672 |
| DESCRIPTION | WO03004602 |
| DESCRIPTION | WO2004106356 |
| DESCRIPTION | WO2005021570 |
| DESCRIPTION | WO2007134181 |
| DESCRIPTION | WO2008049085 |
| DESCRIPTION | WO2008101157 |
| DESCRIPTION | WO2008143774 |
| DESCRIPTION | WO2008147930 |
| DESCRIPTION | WO2008150729 |
| DESCRIPTION | WO2008154401 |
| DESCRIPTION | WO2009006478 |
| DESCRIPTION | WO2009135322 |
| DESCRIPTION | WO9414226 |
| DESCRIPTION | WO9839352 |
| DESCRIPTION | WO9914226 |
| OPPOSITION | US2006063730 |
| OPPOSITION | WO2007089584 |
| OPPOSITION | WO2009135322 |
| SEARCH | US2006063730 |
| SEARCH | WO2009135322 |
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.
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Description
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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(Electronic) Receipt
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Claims
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Notification of forthcoming publication
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Refund of fees
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Refund of fees
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European search opinion
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European search report
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Feb 13, 2018
Information on Search Strategy
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Communication to designated inventor
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Abstract
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Converted Sequence Listing
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Letter concerning search matters
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Dec 12, 2017
Request for grant of a European patent
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Aug 30, 2011
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