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The patent EP2890437 was granted to Chiesi Farmaceutici on Dec 18, 2019. The application was filed on Aug 23, 2013 under application number EP13759992A. 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 |
|---|---|---|---|
| BECK GREENER | Sep 18, 2020 | ELKINGTON AND FIFE | ADMISSIBLE |
| WERRTA DUSEN UND ZERSTAUBUNGSTECHNIK | Sep 18, 2020 | KEHL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | GB2415388 |
| EXAMINATION | US2005274378 |
| EXAMINATION | US2007251950 |
| EXAMINATION | US2011155129 |
| EXAMINATION | US5682875 |
| INTERNATIONAL-SEARCH-REPORT | EP0132352 |
| INTERNATIONAL-SEARCH-REPORT | GB1219090 |
| INTERNATIONAL-SEARCH-REPORT | US2012085345 |
| INTERNATIONAL-SEARCH-REPORT | US3361306 |
| INTERNATIONAL-SEARCH-REPORT | US5435297 |
| OPPOSITION | EP0132352 |
| OPPOSITION | EP1321159 |
| OPPOSITION | GB1219090 |
| OPPOSITION | GB2312379 |
| OPPOSITION | GB2415388 |
| OPPOSITION | US2003015191 |
| OPPOSITION | US2005274378 |
| OPPOSITION | US2006118107 |
| OPPOSITION | US2007175469 |
| OPPOSITION | US2007251950 |
| OPPOSITION | US2010218760 |
| OPPOSITION | US2011061646 |
| OPPOSITION | US2011155129 |
| OPPOSITION | US2012085345 |
| OPPOSITION | US3361306 |
| OPPOSITION | US5069204 |
| OPPOSITION | US5435297 |
| OPPOSITION | US5682875 |
| OPPOSITION | WO2004091704 |
| OPPOSITION | WO2008017575 |
| OPPOSITION | WO2011095762 |
| OPPOSITION | WO9427663 |
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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Decision to grant a European patent
Search/Exam
Nov 6, 2019
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Intention to grant (signatures)
Search/Exam
Nov 6, 2019
Text intended for grant (clean copy)
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Nov 6, 2019
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(Electronic) Receipt
Search/Exam
Oct 8, 2019
Amended claims with annotations
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Amended description with annotations
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Oct 8, 2019
Claims
Search/Exam
Oct 8, 2019
French translation of claims
Search/Exam
Oct 8, 2019
German translation of the claims
Search/Exam
Oct 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2019
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Intention to grant (signatures)
Search/Exam
Jun 5, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 5, 2019
Nov 29, 2018
(Electronic) Receipt
Search/Exam
Nov 29, 2018
Amended claims with annotations
Search/Exam
Nov 29, 2018
Claims
Search/Exam
Nov 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2018
Sep 25, 2018
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May 24, 2018
Annex to the communication
Search/Exam
May 24, 2018
Communication from the Examining Division
Search/Exam
Nov 29, 2017
(Electronic) Receipt
Search/Exam
Nov 29, 2017
Amended claims with annotations
Search/Exam
Nov 29, 2017
Claims
Search/Exam
Nov 29, 2017
Description
Search/Exam
Nov 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2017
Jul 20, 2017
Annex to the communication
Search/Exam
Jul 20, 2017
Communication from the Examining Division
Search/Exam
Jul 11, 2017
Examination started
Search/Exam
Apr 26, 2017
Nov 2, 2015
(Electronic) Receipt
Search/Exam
Nov 2, 2015
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Amended claims with annotations
Search/Exam
Nov 2, 2015
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Amended description with annotations
Search/Exam
Nov 2, 2015
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Search/Exam
Nov 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2015
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Communication to designated inventor
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May 11, 2015
Communication to designated inventor
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May 11, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Priority search results copy provided by EPO
Search/Exam
Mar 26, 2015
(Electronic) Receipt
Search/Exam
Mar 26, 2015
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Amended description with annotations
Search/Exam
Mar 26, 2015
Amendments received before examination
Search/Exam
Mar 26, 2015
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Mar 6, 2014
Published international application - A1
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Nov 6, 2013
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(Electronic) Receipt
PCTRO
Aug 23, 2013
Abstract
PCTRO
Aug 23, 2013
Claims
PCTRO
Aug 23, 2013
Description
PCTRO
Aug 23, 2013
Drawings
PCTRO
Aug 23, 2013