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The patent EP2315587 was granted to Actelion Pharmaceuticals on Oct 25, 2017. The application was filed on Aug 12, 2009 under application number EP09786912A. 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 |
|---|---|---|---|
| HEXAL | Jul 25, 2018 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| STADA ARZNEIMITTEL | Jul 24, 2018 | HAMM & WITTKOPP | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jul 24, 2018 | D YOUNG | ADMISSIBLE |
| ALFRED E TIEFENBACHER | Jul 23, 2018 | HAMM & WITTKOPP | ADMISSIBLE |
| GENERICS UK | Jul 19, 2018 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US7205302 |
| INTERNATIONAL-SEARCH-REPORT | WO02053557 |
| INTERNATIONAL-SEARCH-REPORT | WO2004017993 |
| INTERNATIONAL-SEARCH-REPORT | WO2005030187 |
| OPPOSITION | US7205302 |
| OPPOSITION | WO02053357 |
| OPPOSITION | WO02053557 |
| OPPOSITION | WO2004017993 |
| OPPOSITION | WO2005030187 |
| OPPOSITION | WO2008026156 |
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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Authorisation
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Nov 2, 2017
Sep 28, 2017
Decision to grant a European patent
Search/Exam
Sep 15, 2017
(Electronic) Receipt
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Sep 15, 2017
Filing of the translations of the claims
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Sep 15, 2017
French translation of claims
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Sep 15, 2017
German translation of the claims
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Sep 15, 2017
Letter accompanying subsequently filed items
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May 22, 2017
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Intention to grant (signatures)
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May 22, 2017
Text intended for grant (clean copy)
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May 22, 2017
Aug 7, 2015
(Electronic) Receipt
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Aug 7, 2015
Amended description with annotations
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Aug 7, 2015
Annex
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Aug 7, 2015
Description
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Aug 7, 2015
Letter accompanying subsequently filed items
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Aug 7, 2015
Jun 8, 2015
Jun 2, 2015
Feb 25, 2015
Annex to the communication
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Feb 25, 2015
Communication from the Examining Division
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Jan 29, 2014
(Electronic) Receipt
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Jan 29, 2014
Amended claims with annotations
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Jan 29, 2014
Claims
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Jan 29, 2014
Letter accompanying subsequently filed items
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Jan 29, 2014
Nov 20, 2013
Nov 15, 2013
(Electronic) Receipt
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Nov 15, 2013
Letter accompanying subsequently filed items
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Nov 15, 2013
Jul 30, 2013
Annex to the communication
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Jul 30, 2013
Communication from the Examining Division
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Jul 23, 2013
Examination started
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May 9, 2011
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Amended claims with annotations
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May 9, 2011
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May 4, 2011
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Amended claims with annotations
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May 4, 2011
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May 4, 2011
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May 4, 2011
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May 4, 2011
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May 4, 2011
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Apr 6, 2011
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Request for entry into the European phase
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Dec 22, 2010
Information on entry into European phase
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Jul 29, 2010
Copy of the international search report
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Jul 29, 2010
Mar 31, 2010
Mar 31, 2010
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Mar 10, 2010
Feb 18, 2010
Published international application - A2
Search/Exam
Sep 14, 2009
Abstract
PCTISA
Sep 14, 2009
Claims
PCTISA
Sep 14, 2009
Description
PCTISA