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The patent EP2767285 was granted to Otsuka Pharmaceutical on Feb 19, 2025. The application was filed on Oct 12, 2012 under application number EP12840025A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| TEVA PHARMACEUTICALS | Aug 12, 2020 | ELKINGTON AND FIFE | ADMISSIBLE |
| MAIWALD | Aug 11, 2020 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006316052 |
| EXAMINATION | US2009318560 |
| EXAMINATION | US2010105710 |
| INTERNATIONAL-SEARCH-REPORT | JP2006316052 |
| INTERNATIONAL-SEARCH-REPORT | JP2008115172 |
| OPPOSITION | EP2359816 |
| OPPOSITION | US2009318560 |
| OPPOSITION | US2010105710 |
| OPPOSITION | US2011152286 |
| OPPOSITION | WO2006097344 |
| OPPOSITION | WO2006112464 |
| OPPOSITION | WO2012137971 |
| SEARCH | US2011152286 |
| SEARCH | WO2012137971 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Oct 24, 2022
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Claims
Appeal
Oct 24, 2022
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Mar 24, 2022
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Notice of appeal
Appeal
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OPPO
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Dec 9, 2019
Oct 31, 2019
Decision to grant a European patent
Search/Exam
Oct 17, 2019
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Annex
Search/Exam
Sep 12, 2019
Filing of the translations of the claims
Search/Exam
Sep 12, 2019
French translation of claims
Search/Exam
Sep 12, 2019
German translation of the claims
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 22, 2019
Text intended for grant (clean copy)
Search/Exam
May 22, 2019
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Claims
Search/Exam
Jun 21, 2016
Apr 15, 2016
Apr 8, 2016
Dec 11, 2015
Annex to the communication
Search/Exam
Dec 11, 2015
Communication from the Examining Division
Search/Exam
Dec 7, 2015
Examination started
Search/Exam
Oct 2, 2015
Sep 17, 2015
Non-patent literature filed by a third party
Search/Exam
Sep 17, 2015
Non-patent literature filed by a third party
Search/Exam
Sep 17, 2015
Non-patent literature filed by a third party
Search/Exam
Sep 17, 2015
Non-patent literature filed by a third party
Search/Exam
Sep 17, 2015
Observations by third parties
Search/Exam
Sep 4, 2015
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Amendments received before examination
Search/Exam
Feb 27, 2015
Feb 10, 2015
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European search opinion
Search/Exam
Feb 10, 2015
Supplementary European search report
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Feb 3, 2015
Search started
Search/Exam
Sep 26, 2014
Submission concerning representation
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Jul 23, 2014
Notification of forthcoming publication
Search/Exam
Jun 13, 2014
May 19, 2014
Communication to designated inventor
Search/Exam
May 15, 2014
Apr 29, 2014
Apr 29, 2014
Mar 31, 2014
(Electronic) Receipt
Search/Exam
Mar 31, 2014
Abstract
Search/Exam
Mar 31, 2014
Claims
Search/Exam
Mar 31, 2014
Description
Search/Exam
Mar 31, 2014
Drawings
Search/Exam
Mar 31, 2014
Request for entry into the European phase
Search/Exam
Mar 4, 2014
Notification of the recording of a change
Search/Exam
Feb 21, 2014
Information on entry into European phase
Search/Exam
May 14, 2013
Apr 18, 2013
Copy of the international search report
Search/Exam
Apr 18, 2013
Apr 18, 2013
International publication pamphlet
Search/Exam