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The patent EP3483280 was granted to DSM Assets on Mar 9, 2022. The application was filed on Nov 9, 2018 under application number EP18205490A. 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 |
|---|---|---|---|
| JUNGBUNZLAUER AUSTRIA | Dec 9, 2022 | ELLMEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | CN101586135 |
| SEARCH | EP2360238 |
| SEARCH | US2006019354 |
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 15, 2025
Oct 15, 2025
Sep 15, 2025
Sep 10, 2025
(Electronic) Receipt
Appeal
Sep 10, 2025
Sep 10, 2025
Aug 22, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 15, 2025
Jul 15, 2025
May 7, 2025
May 7, 2025
Apr 28, 2025
(Electronic) Receipt
Appeal
Apr 28, 2025
Apr 28, 2025
Oct 22, 2024
Oct 17, 2024
Oct 16, 2024
(Electronic) Receipt
Appeal
Oct 16, 2024
Oct 16, 2024
Reply to appeal
Appeal
Jun 17, 2024
Jun 13, 2024
Jun 13, 2024
Jun 12, 2024
(Electronic) Receipt
Appeal
Jun 12, 2024
Jun 12, 2024
Jun 12, 2024
Apr 19, 2024
Apr 19, 2024
Apr 8, 2024
Apr 8, 2024
Notice of appeal
Appeal
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Means of redress
OPPO
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Jan 29, 2024
Dec 18, 2023
Dec 4, 2023
Dec 4, 2023
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Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
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May 2, 2023
Apr 24, 2023
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Apr 24, 2023
Dec 21, 2022
Dec 21, 2022
Dec 14, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
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Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Mar 22, 2022
Feb 10, 2022
Decision to grant a European patent
Search/Exam
Feb 4, 2022
Feb 1, 2022
Jan 28, 2022
(Electronic) Receipt
Search/Exam
Jan 28, 2022
Filing of the translations of the claims
Search/Exam
Jan 28, 2022
French translation of claims
Search/Exam
Jan 28, 2022
German translation of the claims
Search/Exam
Jan 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Intention to grant (signatures)
Search/Exam
Nov 22, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2021
Nov 9, 2020
(Electronic) Receipt
Search/Exam
Nov 9, 2020
Amended claims with annotations
Search/Exam
Nov 9, 2020
Claims
Search/Exam
Nov 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2020
Aug 17, 2020
(Electronic) Receipt
Search/Exam
Aug 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2020
Priority search results
Search/Exam
Aug 17, 2020
Jul 15, 2020
Annex to the communication
Search/Exam
Jul 15, 2020
Communication from the Examining Division
Search/Exam
Jul 9, 2020
Examination started
Search/Exam
May 8, 2020
Apr 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2020
Dec 12, 2019
(Electronic) Receipt
Search/Exam
Dec 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2019
Oct 14, 2019
Oct 8, 2019
Sep 30, 2019
(Electronic) Receipt
Search/Exam
Sep 30, 2019
Sep 30, 2019
Amended claims with annotations
Search/Exam
Sep 30, 2019
Amendments received before examination
Search/Exam
Sep 30, 2019
Letter accompanying subsequently filed items
Search/Exam
May 20, 2019
Apr 17, 2019
Notification of forthcoming publication
Search/Exam
Mar 22, 2019
Mar 22, 2019
European search opinion
Search/Exam
Mar 22, 2019
European search report
Search/Exam
Mar 22, 2019
Information on Search Strategy
Search/Exam
Mar 11, 2019
Search started
Search/Exam
Jan 17, 2019
Jan 9, 2019
Jan 4, 2019
Communication to designated inventor
Search/Exam
Jan 4, 2019
Communication to designated inventor
Search/Exam
Jan 4, 2019
Communication to designated inventor
Search/Exam
Jan 4, 2019
Communication to designated inventor
Search/Exam
Dec 7, 2018
Nov 28, 2018
(Electronic) Receipt
Search/Exam
Nov 28, 2018
Designation of inventor
Search/Exam
Nov 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2018
Letter concerning the inventor
Search/Exam
Nov 9, 2018
Abstract
Search/Exam
Nov 9, 2018
Nov 9, 2018
Claims
Search/Exam
Nov 9, 2018
Description
Search/Exam
Nov 9, 2018
Designation of inventor
Search/Exam
Nov 9, 2018
Request for grant of a European patent
Search/Exam
Nov 9, 2018
Submission concerning representation
Search/Exam