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The patent EP2934464 was granted to DOW on Feb 28, 2018. The application was filed on Jan 24, 2014 under application number EP14705612A. 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 |
|---|---|---|---|
| FLAVORS & FRAGRANCES | Nov 28, 2018 | FRKELLY | ADMISSIBLE |
| GIVAUDAN | Nov 28, 2018 | HASELTINE LAKE KEMPNER | ADMISSIBLE |
| FIRMENICH | Nov 23, 2018 | RUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3577515 |
| INTERNATIONAL-SEARCH-REPORT | CN101554573 |
| INTERNATIONAL-SEARCH-REPORT | US2003211952 |
| INTERNATIONAL-SEARCH-REPORT | US2012104639 |
| INTERNATIONAL-SEARCH-REPORT | WO2008098387 |
| OPPOSITION | CN101554573 |
| OPPOSITION | EP1407753 |
| OPPOSITION | EP1407754 |
| OPPOSITION | EP1588760 |
| OPPOSITION | EP2135934 |
| OPPOSITION | EP2418267 |
| OPPOSITION | GB2432852 |
| OPPOSITION | US2002136773 |
| OPPOSITION | US2003211952 |
| OPPOSITION | US2004071746 |
| OPPOSITION | US2004072719 |
| OPPOSITION | US2004142828 |
| OPPOSITION | US2005112152 |
| OPPOSITION | US2007138672 |
| OPPOSITION | US2008311064 |
| OPPOSITION | US2008317795 |
| OPPOSITION | US2009035365 |
| OPPOSITION | US2009258042 |
| OPPOSITION | US2010008870 |
| OPPOSITION | US2012104639 |
| OPPOSITION | US2012148644 |
| OPPOSITION | US5683683 |
| OPPOSITION | US5837661 |
| OPPOSITION | US5932203 |
| OPPOSITION | US5935561 |
| OPPOSITION | US5968286 |
| OPPOSITION | US6162423 |
| OPPOSITION | US6649578 |
| OPPOSITION | US7491687 |
| OPPOSITION | WO0141915 |
| OPPOSITION | WO0194001 |
| OPPOSITION | WO2008016684 |
| OPPOSITION | WO2008098387 |
| OPPOSITION | WO2009101593 |
| OPPOSITION | WO2009153695 |
| OPPOSITION | WO2010045446 |
| OPPOSITION | WO2010070602 |
| OPPOSITION | WO2011075551 |
| OPPOSITION | WO2012007438 |
| OPPOSITION | WO8707618 |
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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Mar 16, 2018
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Decision to grant a European patent
Search/Exam
Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
Filing of the translations of the claims
Search/Exam
Dec 15, 2017
French translation of claims
Search/Exam
Dec 15, 2017
German translation of the claims
Search/Exam
Dec 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2017
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Intention to grant (signatures)
Search/Exam
Sep 13, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2017
Apr 26, 2017
Feb 1, 2016
(Electronic) Receipt
Search/Exam
Feb 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 30, 2015
Sep 25, 2015
Communication to designated inventor
Search/Exam
Sep 25, 2015
Communication to designated inventor
Search/Exam
Sep 8, 2015
Sep 1, 2015
Jul 21, 2015
(Electronic) Receipt
Search/Exam
Jul 21, 2015
Request for entry into the European phase
Search/Exam
Jul 3, 2015
Information on entry into European phase
Search/Exam
Sep 17, 2014
CDS Clean up - amended applicant details
Search/Exam
Sep 16, 2014
Aug 28, 2014
Copy of the international search report
Search/Exam
Aug 28, 2014
Published international application - A1
Search/Exam
Jun 5, 2014
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