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The patent EP2824181 was granted to Astellas Pharma on Nov 14, 2018. The application was filed on Mar 7, 2013 under application number EP13757006A. 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 |
|---|---|---|---|
| BOULT WADE TENNANT | Aug 14, 2019 | BOULT WADE TENNANT | ADMISSIBLE |
| JAMES POOLE | Aug 12, 2019 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008075068 |
| DESCRIPTION | WO2010129509 |
| SEARCH | EP2821402 |
| SEARCH | WO2014018673 |
| SEARCH | WO2014071419 |
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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Appeal
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Appeal
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Appeal
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Notice of appeal
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Oct 4, 2018
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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Text intended for grant (clean copy)
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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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Description
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Jan 29, 2018
Letter accompanying subsequently filed items
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Communication from the Examining Division
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May 29, 2017
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May 29, 2017
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May 29, 2017
Description
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Translation of priority document
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Annex to the communication
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Communication from the Examining Division
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Dec 8, 2016
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Annex
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Annex to the communication
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Communication from the Examining Division
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Translation of priority document
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Jan 11, 2016
Translation of priority document
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Jan 11, 2016
Translation of priority document
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European search opinion
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Jun 15, 2015
Supplementary European search report
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Jun 2, 2015
Search started
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Jan 19, 2015
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Jan 19, 2015
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Dec 17, 2014
Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Sep 26, 2014
Submission concerning representation
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Sep 22, 2014
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(Electronic) Receipt
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Sep 1, 2014
Abstract
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Sep 1, 2014
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Amended claims with annotations
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Sep 1, 2014
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Sep 1, 2014
Claims
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Sep 1, 2014
Converted Sequence Listing
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Sep 1, 2014
Description
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Sep 1, 2014
Request for entry into the European phase
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Jul 16, 2014
Information on entry into European phase
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Apr 24, 2014
Notification of the recording of a change
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Oct 1, 2013
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Converted Sequence Listing
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Sep 12, 2013
Copy of the international search report
Search/Exam
Sep 12, 2013
Sep 12, 2013
International publication pamphlet
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