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The patent EP2721933 was granted to Dhler on Aug 9, 2017. The application was filed on Oct 16, 2013 under application number EP13188893A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| DSM NUTRITIONAL PRODUCTS | May 9, 2018 | - | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2013135759 |
| OPPOSITION | EP2359702 |
| OPPOSITION | EP2601848 |
| OPPOSITION | EP2644041 |
| OPPOSITION | JPH0230733B |
| OPPOSITION | US4568667 |
| OPPOSITION | US6013255 |
| OPPOSITION | WO2009147158 |
| OPPOSITION | WO2011089249 |
| OPPOSITION | WO2013021041 |
| OPPOSITION | WO2013135759 |
| OPPOSITION | WO9304598 |
| SEARCH | EP2359702 |
| SEARCH | US4568667 |
| SEARCH | US6013255 |
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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Jan 29, 2019
Jan 24, 2019
Oct 22, 2018
Oct 22, 2018
Oct 19, 2018
Oct 15, 2018
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Sep 27, 2018
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May 16, 2018
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May 9, 2018
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May 9, 2018
May 9, 2018
May 9, 2018
May 9, 2018
May 9, 2018
May 9, 2018
Oct 30, 2017
Communication to designated inventor
Search/Exam
Oct 23, 2017
(Electronic) Receipt
Search/Exam
Oct 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2017
Letter concerning the inventor
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Aug 10, 2017
Jul 26, 2017
Jul 20, 2017
Letter which had not been notified
Search/Exam
Jul 13, 2017
Decision to grant a European patent
Search/Exam
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Intention to grant (signatures)
Search/Exam
Jun 30, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 30, 2017
Jun 9, 2017
Jun 8, 2017
Communication to designated inventor
Search/Exam
Jun 6, 2017
May 30, 2017
(Electronic) Receipt
Search/Exam
May 30, 2017
Amended claims with annotations
Search/Exam
May 30, 2017
Claims
Search/Exam
May 30, 2017
English translation of the claims
Search/Exam
May 30, 2017
French translation of claims
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May 30, 2017
Letter accompanying subsequently filed items
Search/Exam
May 30, 2017
Jan 25, 2017
Jan 25, 2017
Jan 25, 2017
Intention to grant (signatures)
Search/Exam
Jan 25, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 25, 2017
Sep 1, 2016
Jun 29, 2016
Annex to the communication
Search/Exam
Jun 29, 2016
Jun 29, 2016
May 9, 2016
Submission concerning representation
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Apr 22, 2016
Submission concerning representation
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Feb 2, 2016
Annex
Search/Exam
Feb 2, 2016
Feb 1, 2016
Annex
Search/Exam
Feb 1, 2016
Dec 8, 2015
Dec 3, 2015
Dec 2, 2015
Jul 23, 2015
Annex to the communication
Search/Exam
Jul 23, 2015
Communication from the Examining Division
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Mar 31, 2015
Mar 31, 2015
Dec 3, 2014
Annex to the communication
Search/Exam
Dec 3, 2014
Communication from the Examining Division
Search/Exam
Nov 27, 2014
Examination started
Search/Exam
Jul 19, 2014
Letter concerning fees and payments
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Jul 19, 2014
Payment of fees and costs
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Apr 28, 2014
Apr 1, 2014
Submission concerning representation
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Mar 26, 2014
Notification of forthcoming publication
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Mar 12, 2014
Communication to designated inventor
Search/Exam
Feb 26, 2014
Letter concerning the inventor
Search/Exam
Feb 5, 2014
Jan 16, 2014
Letter which had not been notified
Search/Exam
Jan 14, 2014
Dec 17, 2013
Dec 13, 2013
Refund of fees
Search/Exam
Dec 9, 2013
Communication to designated inventor
Search/Exam
Dec 9, 2013
Communication to designated inventor
Search/Exam
Dec 9, 2013
Communication to designated inventor
Search/Exam
Dec 9, 2013
Communication to designated inventor
Search/Exam
Nov 29, 2013
Nov 29, 2013
European search opinion
Search/Exam
Nov 29, 2013
European search report
Search/Exam
Nov 26, 2013
Priority search results copy provided by EPO
Search/Exam
Nov 19, 2013
Designation of inventor
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Nov 19, 2013
Letter concerning the inventor
Search/Exam
Nov 13, 2013
Search started
Search/Exam
Nov 4, 2013
Deficiency in designation of inventor
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Oct 16, 2013
Abstract
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Oct 16, 2013
Oct 16, 2013
Claims
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Oct 16, 2013
Description
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Oct 16, 2013
Drawings
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Oct 16, 2013
Request for grant of a European patent
Search/Exam