Patent No. EP3727300 (titled "An Antimicrobial Composition") was filed by Unilever on Dec 17, 2018. The application was issued on Oct 26, 2022.

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 |
|---|---|---|
| BEIERSDORF | Jul 21, 2023 | BEIERSDORF |
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
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Oct 15, 2025
Oct 14, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 8, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Sep 3, 2025
Aug 26, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Mar 18, 2025
Mar 18, 2025
Mar 12, 2025
Mar 12, 2025
Mar 12, 2025
Mar 12, 2025
Feb 11, 2025
Jan 24, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 21, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Dec 12, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Aug 7, 2023
Aug 7, 2023
Jul 28, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Nov 8, 2022
Sep 29, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jan 24, 2022
Sep 1, 2021
Aug 5, 2021
Aug 5, 2021
Jun 29, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
May 31, 2021
May 31, 2021
May 28, 2021
May 28, 2021
May 28, 2021
Mar 31, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 12, 2021
Mar 10, 2021
Mar 10, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Dec 8, 2020
Dec 8, 2020
Dec 2, 2020
Oct 1, 2020
Sep 30, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jul 22, 2020
Jul 6, 2020
Jun 16, 2020
Jun 16, 2020
May 4, 2020
Dec 10, 2019
Dec 10, 2019
Jul 18, 2019
Jun 27, 2019
Jun 27, 2019
Jan 30, 2019
Jan 30, 2019
Jan 30, 2019
Jan 9, 2019
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018