Patent No. EP3639678 (titled "Liquid Or Semisolid Emulsion Seasoning, Method For Manufacturing Same And Flavor Improving Method") was filed by Mizkan on Aug 21, 2018. The application was issued on Aug 4, 2021.

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 |
|---|---|---|
| UNILEVER UNILEVER | May 4, 2022 | FIJNVANDRAAT |
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
Jan 27, 2026
Jan 27, 2026
Jan 22, 2026
Oct 15, 2025
Oct 9, 2025
Oct 9, 2025
Oct 9, 2025
Sep 19, 2025
Sep 19, 2025
Sep 16, 2025
Sep 16, 2025
Dec 3, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Jul 30, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jun 3, 2024
Jun 3, 2024
May 23, 2024
May 23, 2024
May 23, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Mar 26, 2024
Feb 15, 2024
Feb 12, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Feb 5, 2024
Feb 1, 2024
Feb 1, 2024
Feb 1, 2024
Jan 31, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 25, 2024
Jan 25, 2024
Dec 21, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 14, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Sep 29, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
May 17, 2022
May 17, 2022
May 13, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
Aug 17, 2021
Jul 8, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Dec 18, 2020
Dec 18, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Nov 9, 2020
Nov 9, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Jun 8, 2020
Jun 8, 2020
Jun 2, 2020
May 13, 2020
May 13, 2020
May 13, 2020
Apr 23, 2020
Mar 25, 2020
Mar 19, 2020
Mar 10, 2020
Mar 10, 2020
Feb 4, 2020
Feb 4, 2020
Jan 22, 2020
Jan 22, 2020
Jan 22, 2020
Jan 21, 2020
Jan 21, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Jan 8, 2020
Mar 19, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019