Patent No. EP3623430 (titled "Composition") was filed by Jotun on Sep 11, 2019. The application was issued on Apr 30, 2025.

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 |
|---|---|---|
| PPG INDUSTRIES | Jan 30, 2026 | APPLEYARD LEES |
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
Get instant alerts for new documents
Jun 17, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Jun 11, 2026
Feb 13, 2026
Feb 13, 2026
Feb 5, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
Jan 30, 2026
May 13, 2025
Apr 3, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
Mar 19, 2024
Mar 19, 2024
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Apr 17, 2023
Apr 17, 2023
Apr 5, 2023
Oct 26, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Jul 19, 2022
Jul 13, 2022
Jul 12, 2022
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Mar 23, 2020
Feb 19, 2020
Jan 31, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 15, 2020
Nov 18, 2019
Nov 12, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Oct 30, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Sep 27, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019