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The patent EP3898848 was granted to Akzo Nobel on Oct 26, 2022. The application was filed on Sep 20, 2019 under application number EP19769519A. 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 |
|---|---|---|---|
| JOTUN | Jul 25, 2023 | MARKS & CLERK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0216519 |
| DESCRIPTION | WO2014180463 |
| INTERNATIONAL-SEARCH-REPORT | LT6283 |
| INTERNATIONAL-SEARCH-REPORT | US2006157243 |
| INTERNATIONAL-SEARCH-REPORT | WO0216519 |
| INTERNATIONAL-SEARCH-REPORT | WO9708252 |
| OPPOSITION | RU2301241 |
| OPPOSITION | US2007185241 |
| OPPOSITION | US6096812 |
| OPPOSITION | WO0216519 |
| OPPOSITION | WO0231077 |
| OPPOSITION | WO2010002649 |
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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Jan 14, 2026
Jan 14, 2026
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Jan 9, 2026
Jan 8, 2026
(Electronic) Receipt
Appeal
Jan 8, 2026
Dec 19, 2025
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Dec 15, 2025
(Electronic) Receipt
Appeal
Dec 15, 2025
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Dec 12, 2025
(Electronic) Receipt
Appeal
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Aug 21, 2025
(Electronic) Receipt
Appeal
Aug 21, 2025
Aug 21, 2025
Aug 21, 2025
Reply to appeal
Appeal
Apr 24, 2025
Apr 17, 2025
(Electronic) Receipt
Appeal
Apr 17, 2025
Apr 17, 2025
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Apr 17, 2025
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Feb 25, 2025
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Feb 19, 2025
(Electronic) Receipt
Appeal
Feb 19, 2025
Feb 19, 2025
Notice of appeal
Appeal
Dec 20, 2024
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Means of redress
OPPO
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Nov 8, 2022
Sep 29, 2022
Decision to grant a European patent
Search/Exam
Sep 12, 2022
(Electronic) Receipt
Search/Exam
Sep 12, 2022
Filing of the translations of the claims
Search/Exam
Sep 12, 2022
French translation of claims
Search/Exam
Sep 12, 2022
German translation of the claims
Search/Exam
Jun 13, 2022
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Intention to grant (signatures)
Search/Exam
Jun 13, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 13, 2022
May 17, 2022
Examination started
Search/Exam
Nov 11, 2021
Document concerning representation
Search/Exam
Nov 11, 2021
Document concerning representation
Search/Exam
Nov 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2021
(Electronic) Receipt
Search/Exam
Nov 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2021
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 27, 2021
Jul 29, 2021
Jul 27, 2021
Jul 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2021
Jul 20, 2021
Priority search results copy provided by EPO
Search/Exam
Jul 5, 2021
Jun 25, 2021
(Electronic) Receipt
Search/Exam
Jun 25, 2021
Request for entry into the European phase
Search/Exam
Apr 30, 2021
Information on entry into European phase
Search/Exam
Jul 13, 2020
Jun 25, 2020
Copy of the international search report
Search/Exam
Jun 25, 2020
Published international application - A1
Search/Exam
Sep 30, 2019
(Electronic) Receipt
PCTRO
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 27, 2019
Sep 27, 2019
Sep 24, 2019
Sep 20, 2019
(Electronic) Receipt
PCTRO
Sep 20, 2019
Abstract
PCTRO
Sep 20, 2019
Claims
PCTRO
Sep 20, 2019
Description
PCTRO
Sep 20, 2019
Sep 20, 2019
Sep 20, 2019