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The patent EP3530740 was granted to DSM Assets on Jul 28, 2021. The application was filed on Mar 19, 2009 under application number EP18198460A. 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 |
|---|---|---|---|
| MARA RENEWABLES | Apr 9, 2023 | REDDIE & GROSE | INTERVENTION ADMISSIBLE |
| ALGAL OMEGA | Mar 17, 2023 | REDDIE & GROSE | INTERVENTION ADMISSIBLE |
| ELKINGTON AND FIFE | Apr 28, 2022 | BECK GREENER | ADMISSIBLE |
| FERMENTALG | Apr 28, 2022 | BE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CL2008002020 |
| OPPOSITION | EP1506996 |
| OPPOSITION | JP2000060587 |
| OPPOSITION | US2003161864 |
| OPPOSITION | US2005027004 |
| OPPOSITION | US2005129831 |
| OPPOSITION | US2008175975 |
| OPPOSITION | US5130242 |
| OPPOSITION | US5397591 |
| OPPOSITION | US5407957 |
| OPPOSITION | US5492938 |
| OPPOSITION | US6399803 |
| OPPOSITION | US6582941 |
| OPPOSITION | US8073505 |
| OPPOSITION | WO2004028469 |
| OPPOSITION | WO2007005725 |
| OPPOSITION | WO2008129358 |
| OPPOSITION | WO2009040676 |
| OPPOSITION | WO2010107415 |
| OPPOSITION | WO9428913 |
| OTHER | US2008175975 |
| OTHER | US5130242 |
| OTHER | US6399803 |
| OTHER | US6582941 |
| OTHER | WO2007005725 |
| SEARCH | WO2004028469 |
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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Aug 10, 2021
Jul 1, 2021
Decision to grant a European patent
Search/Exam
Jun 17, 2021
(Electronic) Receipt
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Jun 17, 2021
Filing of the translations of the claims
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Jun 17, 2021
French translation of claims
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Jun 17, 2021
German translation of the claims
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Jun 17, 2021
Letter accompanying subsequently filed items
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Mar 16, 2021
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Text intended for grant (clean copy)
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Mar 16, 2021
Text intended for grant (sequence listing)
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Intention to grant (signatures)
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Jan 14, 2021
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Observations by third parties
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Dec 4, 2020
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Nov 30, 2020
(Electronic) Receipt
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Nov 30, 2020
Amended claims with annotations
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Nov 30, 2020
Amended description with annotations
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Nov 30, 2020
Claims
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Nov 30, 2020
Description
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Nov 30, 2020
Letter accompanying subsequently filed items
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Nov 30, 2020
Nov 27, 2020
(Electronic) Receipt
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Nov 27, 2020
Letter accompanying subsequently filed items
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Nov 27, 2020
Non-patent literature filed by a third party
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Nov 27, 2020
Observations by third parties
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Nov 27, 2020
Patent document filed by a Third party
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Nov 27, 2020
Patent document filed by a Third party
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Oct 16, 2020
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Oct 6, 2020
Annex to the communication
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Oct 6, 2020
Communication from the Examining Division
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Sep 23, 2020
(Electronic) Receipt
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Sep 23, 2020
Letter accompanying subsequently filed items
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Sep 23, 2020
Jul 29, 2020
Jul 22, 2020
(Electronic) Receipt
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Jul 22, 2020
Mar 13, 2020
Annex to the communication
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Mar 13, 2020
Communication from the Examining Division
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Mar 9, 2020
Examination started
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Feb 25, 2020
(Electronic) Receipt
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Feb 25, 2020
Amendments received before examination
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Feb 25, 2020
Letter accompanying subsequently filed items
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Sep 2, 2019
Jul 31, 2019
Notification of forthcoming publication
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Jun 21, 2019
Jun 21, 2019
European search opinion
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Jun 21, 2019
European search report
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Jun 21, 2019
Information on Search Strategy
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Apr 25, 2019
Final instructions (loss of partial rights)
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Feb 5, 2019
Claim deemed abandoned
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Dec 11, 2018
Invitation to pay claims fees
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Dec 5, 2018
Refund of fees
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Nov 26, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 3, 2018
Abstract
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Oct 3, 2018
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Claims
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Oct 3, 2018
Converted Sequence Listing
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Oct 3, 2018
Description
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Oct 3, 2018
Designation of inventor
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Oct 3, 2018
Previously filed application
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Oct 3, 2018
Oct 3, 2018
Sequence listing
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