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The patent EP2252148 was granted to Salix Pharmaceuticals on Mar 20, 2019. The application was filed on Feb 26, 2009 under application number EP09715020A. 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 |
|---|---|---|---|
| KRAUS & LEDERER PARTGMBB | Dec 19, 2019 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Dec 19, 2019 | D YOUNG | ADMISSIBLE |
| SANDOZ | Dec 18, 2019 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20050004635 |
| DESCRIPTION | US20070658702 |
| DESCRIPTION | US20070873841 |
| DESCRIPTION | US20080031329 |
| DESCRIPTION | US20080960008 |
| DESCRIPTION | US20080961208 |
| DESCRIPTION | US20080962208 |
| DESCRIPTION | US20080963008 |
| DESCRIPTION | US20090393012 |
| DESCRIPTION | EP0161534 |
| DESCRIPTION | IT1154655 |
| DESCRIPTION | US7045620 |
| DESCRIPTION | WO2006094662 |
| INTERNATIONAL-SEARCH-REPORT | US2005272754 |
| INTERNATIONAL-SEARCH-REPORT | US2007259906 |
| INTERNATIONAL-SEARCH-REPORT | WO2006094737 |
| INTERNATIONAL-SEARCH-REPORT | WO2007064964 |
| OPPOSITION | WO2009108814 |
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
Search/Exam
Jan 10, 2019
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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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Claims
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Description
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Annex to the communication
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Mar 19, 2018
Communication from the Examining Division
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May 8, 2017
Amended claims with annotations
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Claims
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Annex to the communication
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Jan 2, 2017
Communication from the Examining Division
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Nov 28, 2016
Examination started
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Aug 11, 2014
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Amended claims with annotations
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Aug 11, 2014
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Jul 25, 2014
Submission concerning representation
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Feb 11, 2014
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European search opinion
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Jan 23, 2014
Supplementary European search report
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Nov 19, 2013
Search started
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Nov 12, 2010
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Amendments received before examination
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Oct 27, 2010
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Request for entry into the European phase
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Jul 7, 2010
Information on entry into European phase
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Sep 23, 2009
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Sep 3, 2009
Copy of the international search report
Search/Exam
Sep 3, 2009
Published international application - A1
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