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The patent EP2839836 was granted to Dupont Nutrition Biosciences APS on Jun 26, 2024. The application was filed on Sep 14, 2007 under application number EP14186663A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| CHR HANSEN | May 30, 2018 | UEXKULL & STOLBERG | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO2006007526 |
| OPPOSITION | WO2007040445 |
| SEARCH | US2005214270 |
| SEARCH | US2007020249 |
| SEARCH | WO2006054135 |
| SEARCH | WO9823727 |
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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May 31, 2024
May 31, 2024
May 8, 2024
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Feb 14, 2024
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Oct 13, 2023
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Oct 4, 2023
Sep 29, 2023
(Electronic) Receipt
Appeal
Sep 29, 2023
Sep 29, 2023
Sep 21, 2023
Sep 20, 2023
(Electronic) Receipt
Appeal
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 13, 2023
Sep 11, 2023
Sep 8, 2023
(Electronic) Receipt
Appeal
Sep 8, 2023
Sep 8, 2023
Jul 12, 2023
Jul 12, 2023
Feb 8, 2023
Feb 8, 2023
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Feb 2, 2023
(Electronic) Receipt
Appeal
Feb 2, 2023
Authorisation
Appeal
Feb 2, 2023
Feb 2, 2023
Jan 17, 2023
Jan 11, 2023
(Electronic) Receipt
Appeal
Jan 11, 2023
Jan 11, 2023
Nov 30, 2022
Nov 30, 2022
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Nov 25, 2022
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Jul 15, 2022
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Apr 22, 2021
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Jul 15, 2020
(Electronic) Receipt
Appeal
Jul 15, 2020
Jul 15, 2020
Reply to appeal
Appeal
Jul 7, 2020
Jun 24, 2020
(Electronic) Receipt
Appeal
Jun 24, 2020
Jun 24, 2020
Reply to appeal
Appeal
Mar 5, 2020
Mar 5, 2020
Feb 26, 2020
(Electronic) Receipt
Appeal
Feb 26, 2020
Feb 26, 2020
Feb 26, 2020
Feb 26, 2020
Feb 25, 2020
(Electronic) Receipt
Appeal
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Claims
Appeal
Feb 25, 2020
Feb 25, 2020
Feb 11, 2020
Feb 11, 2020
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Feb 11, 2020
Jan 2, 2020
(Electronic) Receipt
Appeal
Jan 2, 2020
Jan 2, 2020
Notice of appeal
Appeal
Dec 23, 2019
(Electronic) Receipt
Appeal
Dec 23, 2019
Dec 23, 2019
Notice of appeal
Appeal
Nov 13, 2019
Oct 24, 2019
Oct 22, 2019
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Means of redress
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Claims
OPPO
Jul 4, 2019
Claims
OPPO
Jul 4, 2019
Claims
OPPO
Jul 4, 2019
Description
OPPO
Jul 4, 2019
Description
OPPO
Jul 4, 2019
Description
OPPO
Jul 4, 2019
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Claims
OPPO
Nov 7, 2018
Claims
OPPO
Nov 7, 2018
Claims
OPPO
Nov 7, 2018
Claims
OPPO
Nov 7, 2018
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Sep 1, 2017
Aug 3, 2017
Decision to grant a European patent
Search/Exam
Jul 18, 2017
(Electronic) Receipt
Search/Exam
Jul 18, 2017
Filing of the translations of the claims
Search/Exam
Jul 18, 2017
French translation of claims
Search/Exam
Jul 18, 2017
German translation of the claims
Search/Exam
Jul 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2017
Mar 20, 2017
Mar 20, 2017
Intention to grant (signatures)
Search/Exam
Mar 20, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2017
Feb 6, 2017
(Electronic) Receipt
Search/Exam
Feb 6, 2017
Amended description with annotations
Search/Exam
Feb 6, 2017
Description
Search/Exam
Feb 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2017
Jan 2, 2017
Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
Nov 29, 2016
Nov 25, 2016
Submission concerning representation
Search/Exam
Aug 26, 2016
Annex to the communication
Search/Exam
Aug 26, 2016
Communication from the Examining Division
Search/Exam
Jun 10, 2016
CDS Clean up - amended applicant details
Search/Exam
Apr 28, 2016
(Electronic) Receipt
Search/Exam
Apr 28, 2016
Amended claims with annotations
Search/Exam
Apr 28, 2016
Amended description with annotations
Search/Exam
Apr 28, 2016
Claims
Search/Exam
Apr 28, 2016
Description
Search/Exam
Apr 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2016
Apr 11, 2016
Feb 15, 2016
Feb 10, 2016
(Electronic) Receipt
Search/Exam
Feb 10, 2016
Dec 7, 2015
Nov 30, 2015
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Annexes in respect of a client data request
Search/Exam
Nov 23, 2015
Oct 19, 2015
Annex to the communication
Search/Exam
Oct 19, 2015
Communication from the Examining Division
Search/Exam
Oct 14, 2015
Examination started
Search/Exam
Aug 24, 2015
(Electronic) Receipt
Search/Exam
Aug 24, 2015
Aug 24, 2015
Amended claims with annotations
Search/Exam
Aug 24, 2015
Amendments received before examination
Search/Exam
Aug 24, 2015
Aug 24, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2015
Jul 2, 2015
Mar 2, 2015
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Refund of fees
Search/Exam
Jan 28, 2015
Notification of forthcoming publication
Search/Exam
Jan 27, 2015
Jan 27, 2015
European search opinion
Search/Exam
Jan 27, 2015
European search report
Search/Exam
Dec 19, 2014
Communication to designated inventor
Search/Exam
Dec 19, 2014
Communication to designated inventor
Search/Exam
Dec 17, 2014
Refund of fees
Search/Exam
Dec 17, 2014
Refund of fees
Search/Exam
Sep 26, 2014
Abstract
Search/Exam
Sep 26, 2014
Sep 26, 2014
Claims
Search/Exam
Sep 26, 2014
Description
Search/Exam
Sep 26, 2014
Designation of inventor
Search/Exam
Sep 26, 2014
Designation of inventor
Search/Exam
Sep 26, 2014
Drawings
Search/Exam
Sep 26, 2014
May 8, 2008