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The patent EP2598577 was granted to DSM Assets on Jan 10, 2018. The application was originally filed on Jul 21, 2011 under application number EP11736348A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2009119759 |
| INTERNATIONAL-SEARCH-REPORT | EP1241229 |
| INTERNATIONAL-SEARCH-REPORT | EP1767578 |
| INTERNATIONAL-SEARCH-REPORT | EP1950248 |
| INTERNATIONAL-SEARCH-REPORT | EP2028230 |
| INTERNATIONAL-SEARCH-REPORT | EP2154203 |
| INTERNATIONAL-SEARCH-REPORT | WO2009119759 |
| OPPOSITION | EP0175908 |
| OPPOSITION | EP1241229 |
| OPPOSITION | EP2270097 |
| OPPOSITION | WO2007146390 |
| OPPOSITION | WO2009119759 |
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.
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Description
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Claims
OPPO
Nov 29, 2019
Claims
OPPO
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Claims
OPPO
Feb 26, 2019
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OPPO
Feb 26, 2019
Claims
OPPO
Feb 26, 2019
Claims
OPPO
Feb 26, 2019
Claims
OPPO
Feb 26, 2019
Claims
OPPO
Feb 26, 2019
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OPPO
Feb 26, 2019
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OPPO
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OPPO
Feb 26, 2019
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OPPO
Feb 26, 2019
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OPPO
Feb 26, 2019
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Jan 26, 2018
Dec 14, 2017
Decision to grant a European patent
Search/Exam
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
Filing of the translations of the claims
Search/Exam
Dec 1, 2017
French translation of claims
Search/Exam
Dec 1, 2017
German translation of the claims
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2017
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Intention to grant (signatures)
Search/Exam
Aug 2, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 2, 2017
Jun 13, 2017
(Electronic) Receipt
Search/Exam
Jun 13, 2017
Amended claims with annotations
Search/Exam
Jun 13, 2017
Amended description with annotations
Search/Exam
Jun 13, 2017
Claims
Search/Exam
Jun 13, 2017
Description
Search/Exam
Jun 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2017
Feb 9, 2017
Annex to the communication
Search/Exam
Feb 9, 2017
Communication from the Examining Division
Search/Exam
Sep 9, 2013
(Electronic) Receipt
Search/Exam
Sep 9, 2013
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
May 8, 2013
Mar 5, 2013
Mar 1, 2013
Communication to designated inventor
Search/Exam
Mar 1, 2013
Communication to designated inventor
Search/Exam
Mar 1, 2013
Communication to designated inventor
Search/Exam
Feb 26, 2013
Priority search results copy provided by EPO
Search/Exam
Feb 13, 2013
Jan 28, 2013
(Electronic) Receipt
Search/Exam
Jan 28, 2013
Request for entry into the European phase
Search/Exam
Dec 7, 2012
Information on entry into European phase
Search/Exam
Feb 22, 2012
Feb 2, 2012
Copy of the international search report
Search/Exam
Feb 2, 2012
Published international application - A1
Search/Exam
Aug 25, 2011
Aug 25, 2011
Aug 25, 2011
Jul 21, 2011
(Electronic) Receipt
PCTRO
Jul 21, 2011
Abstract
PCTRO
Jul 21, 2011
Claims
PCTRO
Jul 21, 2011
Description
PCTRO
Jul 21, 2011