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The patent EP2711024 was granted to United Therapeutics on Mar 6, 2019. The application was originally filed on Sep 5, 2008 under application number EP13188882A. 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 |
|---|---|---|---|
| GENERICS UK | Dec 5, 2019 | ELKINGTON AND FIFE | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Nov 22, 2019 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP0347243 |
| OPPOSITION | EP0347243 |
| OPPOSITION | WO2007092343 |
| SEARCH | US5153222 |
| SEARCH | WO2005099680 |
| SEARCH | WO2007092343 |
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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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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German translation of the claims
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Communication from the Examining Division
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Annex to the communication
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Sep 30, 2016
Communication from the Examining Division
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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Feb 6, 2014
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Jan 6, 2014
Letter accompanying subsequently filed items
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Claims
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Designation of inventor
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Letter concerning search matters
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Oct 16, 2013
Request for grant of a European patent
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