The patent EP2612653 was granted to Otsuka Pharmaceutical on Jun 9, 2021. The application was originally filed on Aug 9, 2011 under application number EP11821532A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006306908 |
| DESCRIPTION | WO2005074868 |
| INTERNATIONAL-SEARCH-REPORT | JP2001181354 |
| INTERNATIONAL-SEARCH-REPORT | JP2005307019 |
| INTERNATIONAL-SEARCH-REPORT | JP2005350645 |
| INTERNATIONAL-SEARCH-REPORT | JP2006348101 |
| INTERNATIONAL-SEARCH-REPORT | JP2008024628 |
| OPPOSITION | DE102007026862 |
| OPPOSITION | EP2044925 |
| OPPOSITION | WO2010025898 |
| OPPOSITION | WO9924004 |
| SEARCH | DE10218302 |
| SEARCH | EP0155737 |
| SEARCH | EP0648833 |
| SEARCH | EP1925290 |
| SEARCH | JP2001181354 |
| SEARCH | JP2006348101 |
| SEARCH | JP2008024628 |
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Date
Description
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May 14, 2021
May 7, 2021
Apr 30, 2021
Apr 30, 2021
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Jan 28, 2021
Dec 15, 2020
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Means of redress
OPPO
Jul 15, 2020
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Description
OPPO
Jul 15, 2020
Jul 15, 2020
May 7, 2020
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Mar 12, 2020
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Claims
OPPO
Mar 12, 2020
Claims
OPPO
Mar 12, 2020
Claims
OPPO
Mar 12, 2020
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Oct 1, 2019
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Oct 19, 2017
Sep 14, 2017
Decision to grant a European patent
Search/Exam
Aug 18, 2017
(Electronic) Receipt
Search/Exam
Aug 18, 2017
Filing of the translations of the claims
Search/Exam
Aug 18, 2017
French translation of claims
Search/Exam
Aug 18, 2017
German translation of the claims
Search/Exam
Aug 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2017
Apr 19, 2017
Apr 19, 2017
Intention to grant (signatures)
Search/Exam
Apr 19, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 19, 2017
Mar 3, 2017
(Electronic) Receipt
Search/Exam
Mar 3, 2017
Amended description with annotations
Search/Exam
Mar 3, 2017
Claims
Search/Exam
Mar 3, 2017
Description
Search/Exam
Mar 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2017
Oct 26, 2016
Annex to the communication
Search/Exam
Oct 26, 2016
Communication from the Examining Division
Search/Exam
Sep 19, 2016
Examination started
Search/Exam
May 23, 2016
May 13, 2016
May 9, 2016
Submission concerning representation
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Apr 22, 2016
Submission concerning representation
Search/Exam
Jul 3, 2015
Jul 3, 2015
Amended claims with annotations
Search/Exam
Jul 3, 2015
Amendments received before examination
Search/Exam
Jan 12, 2015
Dec 15, 2014
Dec 15, 2014
European search opinion
Search/Exam
Dec 15, 2014
Supplementary European search report
Search/Exam
Dec 3, 2014
Search started
Search/Exam
Apr 1, 2014
Submission concerning representation
Search/Exam
Mar 27, 2014
Mar 21, 2014
General enquiry
Search/Exam
Oct 1, 2013
Oct 1, 2013
Amendments received before examination
Search/Exam
Jun 12, 2013
Notification of forthcoming publication
Search/Exam
Apr 13, 2013
Apr 13, 2013
Apr 11, 2013
Apr 5, 2013
Communication to designated inventor
Search/Exam
Apr 5, 2013
Communication to designated inventor
Search/Exam
Apr 5, 2013
Communication to designated inventor
Search/Exam
Apr 5, 2013
Communication to designated inventor
Search/Exam
Mar 27, 2013
Mar 19, 2013
Mar 11, 2013
Feb 26, 2013
(Electronic) Receipt
Search/Exam
Feb 26, 2013
Abstract
Search/Exam
Feb 26, 2013
Claims
Search/Exam
Feb 26, 2013
Description
Search/Exam
Feb 26, 2013
Drawings
Search/Exam
Feb 26, 2013
Request for entry into the European phase
Search/Exam
Jan 11, 2013
Information on entry into European phase
Search/Exam
Mar 26, 2012
Mar 8, 2012
Copy of the international search report
Search/Exam
Mar 8, 2012
Mar 8, 2012
International publication pamphlet
Search/Exam