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The patent EP3670494 was granted to Phytobiotics Futterzusatzstoffe on Jun 14, 2023. The application was filed on Dec 18, 2018 under application number EP18213331A. 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 |
|---|---|---|---|
| ADM | Mar 14, 2024 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| ADM | Mar 14, 2024 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN19921007282 |
| DESCRIPTION | CN20071030121 |
| DESCRIPTION | DE102011011924 |
| DESCRIPTION | EP1529775 |
| EXAMINATION | CN104739816 |
| EXAMINATION | US2004137108 |
| EXAMINATION | US2010056817 |
| EXAMINATION | US2012225161 |
| EXAMINATION | US2018162803 |
| EXAMINATION | US4948594 |
| EXAMINATION | US5061815 |
| OPPOSITION | CN104739816 |
| OPPOSITION | EP3670494 |
| OPPOSITION | US2004137108 |
| OPPOSITION | US2010056817 |
| OPPOSITION | US2012225161 |
| OPPOSITION | US2018162803 |
| OPPOSITION | US4948594 |
| OPPOSITION | US5061815 |
| OTHER | CN104739816 |
| OTHER | EP1529775 |
| OTHER | US2004137108 |
| OTHER | US2010056817 |
| OTHER | US2012225161 |
| OTHER | US2018162803 |
| OTHER | US4948594 |
| OTHER | US5061815 |
| SEARCH | EP1529775 |
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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Oct 16, 2025
Oct 2, 2025
Sep 26, 2025
(Electronic) Receipt
Appeal
Sep 26, 2025
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Jul 31, 2025
(Electronic) Receipt
Appeal
Jul 31, 2025
Jul 31, 2025
Notice of appeal
Appeal
Jun 4, 2025
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Means of redress
OPPO
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Jun 27, 2023
May 19, 2023
Decision to grant a European patent
Search/Exam
May 4, 2023
Apr 28, 2023
(Electronic) Receipt
Search/Exam
Apr 28, 2023
English translation of the claims
Search/Exam
Apr 28, 2023
Filing of the translations of the claims
Search/Exam
Apr 28, 2023
French translation of claims
Search/Exam
Apr 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2023
Jan 24, 2023
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Intention to grant (signatures)
Search/Exam
Jan 24, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 24, 2023
Aug 19, 2022
(Electronic) Receipt
Search/Exam
Aug 19, 2022
Abstract
Search/Exam
Aug 19, 2022
Amended claims with annotations
Search/Exam
Aug 19, 2022
Amended description with annotations
Search/Exam
Aug 19, 2022
Claims
Search/Exam
Aug 19, 2022
Description
Search/Exam
Aug 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2022
May 6, 2022
Annex to the communication
Search/Exam
May 6, 2022
Communication from the Examining Division
Search/Exam
Feb 24, 2022
(Electronic) Receipt
Search/Exam
Feb 24, 2022
Amended claims with annotations
Search/Exam
Feb 24, 2022
Claims
Search/Exam
Feb 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2022
Nov 9, 2021
Annex to the communication
Search/Exam
Nov 9, 2021
Communication from the Examining Division
Search/Exam
May 19, 2021
May 11, 2021
Non-patent literature filed by a third party
Search/Exam
May 11, 2021
Non-patent literature filed by a third party
Search/Exam
May 11, 2021
Non-scannable object
Search/Exam
May 11, 2021
Observations by third parties
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 11, 2021
Patent document filed by a Third party
Search/Exam
May 5, 2021
(Electronic) Receipt
Search/Exam
May 5, 2021
Amended claims with annotations
Search/Exam
May 5, 2021
Claims
Search/Exam
May 5, 2021
Letter accompanying subsequently filed items
Search/Exam
May 5, 2021
Feb 5, 2021
Annex to the communication
Search/Exam
Feb 5, 2021
Communication from the Examining Division
Search/Exam
Feb 1, 2021
Examination started
Search/Exam
Sep 23, 2020
(Electronic) Receipt
Search/Exam
Sep 23, 2020
Sep 23, 2020
Amended claims with annotations
Search/Exam
Sep 23, 2020
Amendments received before examination
Search/Exam
Sep 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2020
Letter concerning fees and payments
Search/Exam
Jun 29, 2020
May 27, 2020
Notification of forthcoming publication
Search/Exam
Jun 13, 2019
Jun 13, 2019
European search opinion
Search/Exam
Jun 13, 2019
European search report
Search/Exam
Jun 13, 2019
Information on Search Strategy
Search/Exam
Jun 4, 2019
Search started
Search/Exam
Mar 13, 2019
Communication to designated inventor
Search/Exam
Mar 13, 2019
Communication to designated inventor
Search/Exam
Mar 13, 2019
Communication to designated inventor
Search/Exam
Dec 18, 2018
Abstract
Search/Exam
Dec 18, 2018
Dec 18, 2018
Claims
Search/Exam
Dec 18, 2018
Description
Search/Exam
Dec 18, 2018
Designation of inventor
Search/Exam
Dec 18, 2018
Drawings
Search/Exam
Dec 18, 2018
Request for grant of a European patent
Search/Exam