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The patent EP2832350 was granted to Daicel on Jul 17, 2019. The application was filed on Mar 27, 2013 under application number EP13767870A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BAYER | Apr 16, 2020 | BIP PATENTS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2008285434 |
| DESCRIPTION | JP2012031138 |
| DESCRIPTION | JP4551627B |
| DESCRIPTION | WO2011019045 |
| INTERNATIONAL-SEARCH-REPORT | JP2002179558 |
| INTERNATIONAL-SEARCH-REPORT | JP2012031138 |
| INTERNATIONAL-SEARCH-REPORT | WO2011019045 |
| OPPOSITION | EP1329217 |
| OPPOSITION | EP2251005 |
| OPPOSITION | US2011150989 |
| OPPOSITION | WO2011019045 |
| SEARCH | EP1980272 |
| SEARCH | EP2251005 |
| SEARCH | EP2368544 |
| SEARCH | US2011150989 |
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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Means of redress
OPPO
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Document concerning representation
Search/Exam
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Jul 29, 2019
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Decision to grant a European patent
Search/Exam
May 31, 2019
(Electronic) Receipt
Search/Exam
May 31, 2019
Filing of the translations of the claims
Search/Exam
May 31, 2019
French translation of claims
Search/Exam
May 31, 2019
German translation of the claims
Search/Exam
May 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2019
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Intention to grant (signatures)
Search/Exam
Feb 6, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 6, 2019
Jun 13, 2018
(Electronic) Receipt
Search/Exam
Jun 13, 2018
Amended claims with annotations
Search/Exam
Jun 13, 2018
Amended description with annotations
Search/Exam
Jun 13, 2018
Claims
Search/Exam
Jun 13, 2018
Description
Search/Exam
Jun 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2018
Apr 9, 2018
Apr 4, 2018
(Electronic) Receipt
Search/Exam
Apr 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2018
Dec 6, 2017
Annex to the communication
Search/Exam
Dec 6, 2017
Communication from the Examining Division
Search/Exam
Jul 18, 2017
(Electronic) Receipt
Search/Exam
Jul 18, 2017
Amended claims with annotations
Search/Exam
Jul 18, 2017
Annex
Search/Exam
Jul 18, 2017
Annex
Search/Exam
Jul 18, 2017
Claims
Search/Exam
Jul 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2017
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Jun 28, 2017
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(Electronic) Receipt
Search/Exam
Jun 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2017
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Annex to the communication
Search/Exam
Feb 20, 2017
Communication from the Examining Division
Search/Exam
Feb 14, 2017
Examination started
Search/Exam
Nov 28, 2016
May 9, 2016
(Electronic) Receipt
Search/Exam
May 9, 2016
May 9, 2016
Amended claims with annotations
Search/Exam
May 9, 2016
Amendments received before examination
Search/Exam
May 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2015
Nov 5, 2015
Oct 19, 2015
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European search opinion
Search/Exam
Oct 19, 2015
Information on Search Strategy
Search/Exam
Oct 19, 2015
Supplementary European search report
Search/Exam
Oct 6, 2015
Search started
Search/Exam
Oct 1, 2015
Oct 1, 2015
Sep 24, 2015
Feb 2, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Notification of forthcoming publication
Search/Exam
Nov 18, 2014
Nov 5, 2014
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Nov 3, 2014
Communication to designated inventor
Search/Exam
Oct 15, 2014
Oct 15, 2014
Oct 2, 2014
(Electronic) Receipt
Search/Exam
Oct 2, 2014
Abstract
Search/Exam
Oct 2, 2014
Claims
Search/Exam
Oct 2, 2014
Description
Search/Exam
Oct 2, 2014
Letter concerning the inventor
Search/Exam
Oct 2, 2014
Request for entry into the European phase
Search/Exam
Aug 8, 2014
Information on entry into European phase
Search/Exam
Oct 22, 2013
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Oct 3, 2013
Copy of the international search report
Search/Exam
Oct 3, 2013
Oct 3, 2013
International publication pamphlet
Search/Exam