Patent No. EP3886808 (titled "Urolithin A And A Composition Containing Same For External Use In Inflammations Of Various Etiologies") was filed by Microbiota MED SP Z OO on Nov 29, 2019. The application was issued on Jan 15, 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 |
|---|---|---|
| AMAZENTIS | Oct 15, 2025 | ABEL & IMRAY |
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
Mar 3, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Oct 27, 2025
Oct 27, 2025
Oct 20, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Jan 28, 2025
Dec 19, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Feb 26, 2024
Feb 26, 2024
Feb 13, 2024
Jan 22, 2024
Jan 22, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Aug 2, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Feb 25, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Sep 8, 2021
Jul 9, 2021
Jun 28, 2021
Jun 14, 2021
Apr 9, 2021
Jun 22, 2020
Jun 4, 2020
Jun 4, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Jan 28, 2020
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019
Dec 31, 2019