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The patent EP2516330 was granted to Croda on Mar 10, 2021. The application was filed on Dec 22, 2010 under application number EP10803469A. 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 | Dec 10, 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0341703 |
| INTERNATIONAL-SEARCH-REPORT | EP0599492 |
| INTERNATIONAL-SEARCH-REPORT | US2009263314 |
| INTERNATIONAL-SEARCH-REPORT | US5605652 |
| INTERNATIONAL-SEARCH-REPORT | WO2007048057 |
| OPPOSITION | EP0599492 |
| OPPOSITION | US5599529 |
| SEARCH | EP0341703 |
| SEARCH | EP0599492 |
| SEARCH | US2009263314 |
| SEARCH | US5605652 |
| SEARCH | WO2007048057 |
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 22, 2025
Dec 22, 2025
Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
Apr 17, 2025
Apr 14, 2025
(Electronic) Receipt
Appeal
Apr 14, 2025
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Feb 10, 2025
(Electronic) Receipt
Appeal
Feb 10, 2025
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Notice of appeal
Appeal
Dec 20, 2024
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Means of redress
OPPO
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Mar 22, 2021
Feb 11, 2021
Decision to grant a European patent
Search/Exam
Jan 26, 2021
(Electronic) Receipt
Search/Exam
Jan 26, 2021
Filing of the translations of the claims
Search/Exam
Jan 26, 2021
French translation of claims
Search/Exam
Jan 26, 2021
German translation of the claims
Search/Exam
Jan 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2021
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Jan 15, 2021
Intention to grant (signatures)
Search/Exam
Jan 15, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 15, 2021
Dec 7, 2020
(Electronic) Receipt
Search/Exam
Dec 7, 2020
Description
Search/Exam
Dec 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2020
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Translation of the claims
Search/Exam
Dec 7, 2020
Translation of the claims
Search/Exam
Sep 9, 2020
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Intention to grant (signatures)
Search/Exam
Sep 9, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 9, 2020
Sep 1, 2020
Aug 14, 2020
Aug 3, 2020
(Electronic) Receipt
Search/Exam
Aug 3, 2020
Amended description with annotations
Search/Exam
Aug 3, 2020
Description
Search/Exam
Aug 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2020
Apr 15, 2020
Annex to the communication
Search/Exam
Apr 15, 2020
Communication from the Examining Division
Search/Exam
Mar 6, 2020
(Electronic) Receipt
Search/Exam
Mar 6, 2020
Amended claims with annotations
Search/Exam
Mar 6, 2020
Claims
Search/Exam
Mar 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2020
Dec 11, 2019
Dec 6, 2019
(Electronic) Receipt
Search/Exam
Dec 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2019
Aug 28, 2019
Annex to the communication
Search/Exam
Aug 28, 2019
Communication from the Examining Division
Search/Exam
Feb 21, 2019
Feb 7, 2019
Annexes in respect of a client data request
Search/Exam
Feb 7, 2019
Feb 20, 2014
Decision to allow further processing
Search/Exam
Feb 10, 2014
(Electronic) Receipt
Search/Exam
Feb 10, 2014
Amended claims with annotations
Search/Exam
Feb 10, 2014
Claims
Search/Exam
Feb 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2014
Request for further processing
Search/Exam
Nov 29, 2013
Sep 6, 2013
Sep 2, 2013
(Electronic) Receipt
Search/Exam
Sep 2, 2013
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2013
Apr 22, 2013
Annex to the communication
Search/Exam
Apr 22, 2013
Communication from the Examining Division
Search/Exam
Oct 4, 2012
Aug 22, 2012
Jul 10, 2012
Jul 5, 2012
(Electronic) Receipt
Search/Exam
Jul 5, 2012
Jul 5, 2012
Request for entry into the European phase
Search/Exam
May 11, 2012
Notification of the recording of a change
Search/Exam
May 4, 2012
Information on entry into European phase
Search/Exam
Jul 21, 2011
Jun 30, 2011
Copy of the international search report
Search/Exam
Jun 30, 2011
Published international application - A1
Search/Exam
Mar 16, 2011
Mar 16, 2011
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Jan 14, 2011
Abstract
PCTISA
Jan 14, 2011
Claims
PCTISA
Jan 14, 2011
Description
PCTISA