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The patent EP2968172 was granted to Eirgen Pharma on Oct 7, 2020. The application was filed on Mar 14, 2014 under application number EP14717038A. 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 | Apr 21, 2021 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20080109983 |
| DESCRIPTION | WO2007US61521 |
| DESCRIPTION | WO2008US61579 |
| DESCRIPTION | US6645527 |
| EXAMINATION | WO2008134512 |
| INTERNATIONAL-SEARCH-REPORT | WO2004098617 |
| INTERNATIONAL-SEARCH-REPORT | WO2012145491 |
| INTERNATIONAL-SEARCH-REPORT | WO9600074 |
| OPPOSITION | DE19536387 |
| OPPOSITION | DE2224534 |
| OPPOSITION | EP0116755 |
| OPPOSITION | EP0157695 |
| OPPOSITION | EP0413828 |
| OPPOSITION | EP0548448 |
| OPPOSITION | EP0631781 |
| OPPOSITION | EP2478909 |
| OPPOSITION | JP2893140B |
| OPPOSITION | WO03059358 |
| OPPOSITION | WO2004098507 |
| OPPOSITION | WO2006018119 |
| OPPOSITION | WO2006094782 |
| OPPOSITION | WO2007092755 |
| OPPOSITION | WO2008008608 |
| OPPOSITION | WO2008134512 |
| OPPOSITION | WO2009101131 |
| OPPOSITION | WO2009101136 |
| OPPOSITION | WO2012163836 |
| OPPOSITION | WO9116899 |
| OPPOSITION | WO9209271 |
| OPPOSITION | WO9901111 |
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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Dec 18, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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OPPO
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Search/Exam
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Aug 3, 2020
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Jul 23, 2020
(Electronic) Receipt
Search/Exam
Jul 23, 2020
Request for correction of the publication
Search/Exam
Jun 25, 2020
Decision to grant a European patent
Search/Exam
Jun 3, 2020
(Electronic) Receipt
Search/Exam
Jun 3, 2020
Filing of the translations of the claims
Search/Exam
Jun 3, 2020
French translation of claims
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Jun 3, 2020
German translation of the claims
Search/Exam
Jun 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2020
Apr 21, 2020
Apr 21, 2020
Intention to grant (signatures)
Search/Exam
Apr 21, 2020
Text intended for grant (clean copy)
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Apr 21, 2020
Nov 1, 2019
(Electronic) Receipt
Search/Exam
Nov 1, 2019
Amended claims with annotations
Search/Exam
Nov 1, 2019
Amended description with annotations
Search/Exam
Nov 1, 2019
Claims
Search/Exam
Nov 1, 2019
Description
Search/Exam
Nov 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2019
Oct 9, 2019
Sep 4, 2019
(Electronic) Receipt
Search/Exam
Sep 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2019
Aug 30, 2019
Aug 27, 2019
(Electronic) Receipt
Search/Exam
Aug 27, 2019
Jul 31, 2019
(Electronic) Receipt
Search/Exam
Jul 31, 2019
Amended description with annotations
Search/Exam
Jul 31, 2019
Claims
Search/Exam
Jul 31, 2019
Description
Search/Exam
Jul 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2019
Jul 25, 2019
(Electronic) Receipt
Search/Exam
Jul 25, 2019
Apr 2, 2019
Annex to the communication
Search/Exam
Apr 2, 2019
Communication from the Examining Division
Search/Exam
Feb 20, 2018
Feb 14, 2018
Oct 17, 2017
(Electronic) Receipt
Search/Exam
Oct 17, 2017
Amended claims with annotations
Search/Exam
Oct 17, 2017
Claims
Search/Exam
Oct 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2017
Aug 21, 2017
Aug 16, 2017
(Electronic) Receipt
Search/Exam
Aug 16, 2017
Apr 7, 2017
Annex to the communication
Search/Exam
Apr 7, 2017
Communication from the Examining Division
Search/Exam
Mar 31, 2017
Examination started
Search/Exam
May 2, 2016
(Electronic) Receipt
Search/Exam
May 2, 2016
May 2, 2016
Amendments received before examination
Search/Exam
May 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2015
Nov 11, 2015
Nov 11, 2015
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
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Oct 20, 2015
Communication to designated inventor
Search/Exam
Oct 20, 2015
Communication to designated inventor
Search/Exam
Oct 20, 2015
Communication to designated inventor
Search/Exam
Oct 20, 2015
Communication to designated inventor
Search/Exam
Sep 13, 2015
(Electronic) Receipt
Search/Exam
Sep 13, 2015
Annex
Search/Exam
Sep 13, 2015
Matter concerning the application
Search/Exam
Sep 13, 2015
Request for entry into the European phase
Search/Exam
Sep 11, 2015
Notification of the recording of a change
Search/Exam
Jul 22, 2015
Information on entry into European phase
Search/Exam
Feb 24, 2015
Written opinion
PCT2
Feb 24, 2015
Feb 24, 2015
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PCT demand form
PCT2
Jan 15, 2015
Jan 15, 2015
Jan 15, 2015
Oct 7, 2014
Sep 18, 2014
Copy of the international search report
Search/Exam
Sep 18, 2014
Published international application - A1
Search/Exam
Jun 16, 2014
Jun 16, 2014
Jun 16, 2014
Apr 7, 2014
Abstract
PCTISA
Apr 7, 2014
Annex
PCTISA
Apr 7, 2014
Claims
PCTISA
Apr 7, 2014
Description
PCTISA
Apr 7, 2014
Drawings
PCTISA