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The patent EP3228194 was granted to DSM Assets on Mar 17, 2021. The application was filed on Apr 7, 2016 under application number EP16164254A. The patent is currently recorded with a legal status of "Revoked".

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 | Dec 17, 2021 | HOFFMANN EITLE | ADMISSIBLE |
| NOVOZYMES | Dec 16, 2021 | POTTER CLARKSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1283876 |
| DESCRIPTION | US5736374 |
| OPPOSITION | EP1915913 |
| OPPOSITION | WO2009071539 |
| OPPOSITION | WO2012136832 |
| OPPOSITION | WO2013010908 |
| OPPOSITION | WO2015193449 |
| SEARCH | EP1915913 |
| SEARCH | WO2012136832 |
| SEARCH | WO2013030280 |
| SEARCH | WO2015193449 |
| SEARCH | WO9954453 |
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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Decision to grant a European patent
Search/Exam
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Filing of the translations of the claims
Search/Exam
Feb 9, 2021
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Feb 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2020
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Intention to grant (signatures)
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Oct 16, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 16, 2020
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(Electronic) Receipt
Search/Exam
Oct 14, 2020
Amended claims with annotations
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Oct 14, 2020
Amended description with annotations
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Oct 14, 2020
Claims
Search/Exam
Oct 14, 2020
Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Aug 10, 2020
Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Aug 10, 2020
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(Electronic) Receipt
Search/Exam
Sep 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2019
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Annex to the communication
Search/Exam
May 8, 2019
Communication from the Examining Division
Search/Exam
May 2, 2019
Examination started
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Apr 10, 2018
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Apr 10, 2018
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Jul 12, 2017
Communication to designated inventor
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Jul 3, 2017
(Electronic) Receipt
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Jul 3, 2017
Letter accompanying subsequently filed items
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Jul 3, 2017
Letter concerning the inventor
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European search opinion
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European search report
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Sep 2, 2016
Information on Search Strategy
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Aug 26, 2016
Modified abstract
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Aug 22, 2016
Search started
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May 4, 2016
Deficiency in designation of inventor
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Apr 7, 2016
Abstract
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Apr 7, 2016
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Claims
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Apr 7, 2016
Description
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Apr 7, 2016
Request for grant of a European patent
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