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The patent EP3858149 was granted to Stim on Jan 22, 2025. The application was filed on Sep 22, 2015 under application number EP21157534A. 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 |
|---|---|---|---|
| BIOMAR GROUP | Oct 22, 2025 | PLOUGMANN VINGTOFT | ADMISSIBLE |
| CARGILL | Oct 20, 2025 | STRYCH | ADMISSIBLE |
| NUTRECO ASSETS | Oct 20, 2025 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0230182 |
| EXAMINATION | CA2958777 |
| EXAMINATION | CN112219757B |
| OPPOSITION | EP1670321 |
| OPPOSITION | EP3197290 |
| OPPOSITION | US2013142905 |
| OPPOSITION | WO0230182 |
| OPPOSITION | WO2016046182 |
| OTHER | EP3197290 |
| OTHER | EP3398449 |
| OTHER | EP3808188 |
| OTHER | WO0230182 |
| SEARCH | EP1670321 |
| SEARCH | US2013142905 |
| SEARCH | WO0230182 |
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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Decision to grant a European patent
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Dec 11, 2024
(Electronic) Receipt
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Dec 11, 2024
Annex to a communication
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Annex to a communication
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Dec 11, 2024
Annex to a communication
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Annex to the communication
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Dec 11, 2024
Filing of the translations of the claims
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Dec 11, 2024
French translation of claims
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Dec 11, 2024
German translation of the claims
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Dec 11, 2024
Letter accompanying subsequently filed items
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Dec 11, 2024
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Intention to grant (signatures)
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Dec 9, 2024
Text intended for grant (clean copy)
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Dec 9, 2024
Oct 7, 2024
(Electronic) Receipt
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Oct 7, 2024
Letter accompanying subsequently filed items
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Oct 7, 2024
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Sep 13, 2024
Annex to the communication
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Sep 13, 2024
Consultation by telephone/in person
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Sep 13, 2024
Sep 9, 2024
(Electronic) Receipt
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Sep 9, 2024
Amended claims with annotations
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Sep 9, 2024
Amended claims with annotations
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Sep 9, 2024
Claims
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Sep 9, 2024
Claims
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Sep 9, 2024
Letter accompanying subsequently filed items
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Sep 9, 2024
Jun 5, 2024
(Electronic) Receipt
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Jun 5, 2024
Letter accompanying subsequently filed items
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Jun 5, 2024
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Annex to the communication
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May 28, 2024
Summons to attend oral proceedings
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May 28, 2024
May 22, 2024
(Electronic) Receipt
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May 22, 2024
Letter accompanying subsequently filed items
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May 22, 2024
Non-patent literature filed by a third party
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May 22, 2024
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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May 22, 2024
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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May 22, 2024
Observations by third parties
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Feb 24, 2024
(Electronic) Receipt
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Feb 24, 2024
Annex
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Feb 24, 2024
Annex
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Feb 24, 2024
Claims
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Feb 24, 2024
Letter accompanying subsequently filed items
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Feb 24, 2024
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(Electronic) Receipt
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Dec 18, 2023
Letter accompanying subsequently filed items
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Dec 18, 2023
Request for extension of time limit
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Nov 8, 2023
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(Electronic) Receipt
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Oct 24, 2023
Letter accompanying subsequently filed items
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Oct 24, 2023
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(Electronic) Receipt
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Sep 1, 2023
Letter accompanying subsequently filed items
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Sep 1, 2023
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Apr 25, 2023
(Electronic) Receipt
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Apr 25, 2023
Annex to the communication
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Apr 25, 2023
Communication from the Examining Division
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Apr 25, 2023
Letter accompanying subsequently filed items
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Apr 25, 2023
Observations by third parties
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Mar 20, 2023
(Electronic) Receipt
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Mar 20, 2023
Letter accompanying subsequently filed items
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Mar 20, 2023
Matter concerning the application
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Mar 20, 2023
Feb 14, 2023
(Electronic) Receipt
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Feb 14, 2023
Amended claims with annotations
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Feb 14, 2023
Claims
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Feb 14, 2023
Letter accompanying subsequently filed items
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Nov 17, 2022
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(Electronic) Receipt
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Nov 14, 2022
Letter accompanying subsequently filed items
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Nov 14, 2022
Aug 4, 2022
Annex to the communication
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Aug 4, 2022
Communication from the Examining Division
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May 11, 2022
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(Electronic) Receipt
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May 6, 2022
Citation filed by a third party
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Letter accompanying subsequently filed items
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May 6, 2022
Observations by third parties
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Jan 25, 2022
(Electronic) Receipt
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Jan 25, 2022
Amended claims with annotations
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Jan 25, 2022
Claims
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Jan 25, 2022
Letter accompanying subsequently filed items
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Jan 25, 2022
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(Electronic) Receipt
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Oct 27, 2021
Letter accompanying subsequently filed items
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Oct 27, 2021
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Non-patent literature filed by a third party
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Sep 24, 2021
Observations by third parties
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Aug 9, 2021
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Annex to the communication
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Jul 16, 2021
Communication from the Examining Division
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Jul 9, 2021
Refund of fees
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Jul 7, 2021
Notification of forthcoming publication
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Jul 6, 2021
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European search report
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Jul 6, 2021
Information on Search Strategy
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Jun 14, 2021
Search started
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Apr 9, 2021
Apr 6, 2021
(Electronic) Receipt
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Apr 6, 2021
Change to the inventor details
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Apr 6, 2021
Letter accompanying subsequently filed items
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Apr 6, 2021
Letter concerning the inventor
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Apr 6, 2021
Letter concerning the inventor
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Mar 30, 2021
Letter concerning the inventor
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Mar 23, 2021
(Electronic) Receipt
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Mar 23, 2021
Letter accompanying subsequently filed items
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Mar 23, 2021
Matter concerning the application
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Mar 22, 2021
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Abstract
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Feb 17, 2021
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Claims
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Feb 17, 2021
Description
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Feb 17, 2021
Designation of inventor
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Feb 17, 2021
Drawings
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Feb 17, 2021
Request for grant of a European patent
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