Patent No. EP3223791 (titled "Oral Care Compositions Having High Water Content And Micro Robustness") was filed by Colgate Palmolive on Dec 18, 2014. The application was issued on Mar 9, 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 |
|---|---|---|
| UNILEVER UNILEVER | Nov 16, 2022 | TANSLEY |
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 20, 2026
Jan 20, 2026
Jan 20, 2026
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Oct 21, 2025
Sep 29, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 1, 2025
Sep 1, 2025
Aug 29, 2025
Aug 26, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Feb 21, 2025
Feb 18, 2025
Feb 18, 2025
Feb 18, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Apr 26, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Dec 21, 2022
Dec 21, 2022
Dec 1, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 25, 2022
Nov 25, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Mar 22, 2022
Feb 10, 2022
Feb 7, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Dec 10, 2020
Dec 10, 2020
Sep 3, 2020
Sep 3, 2020
Sep 3, 2020
Sep 3, 2020
Sep 3, 2020
Apr 23, 2020
Apr 23, 2020
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Jul 29, 2019
Jul 29, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Mar 22, 2019
Nov 23, 2018
Nov 23, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Mar 29, 2018
Mar 29, 2018
Mar 23, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Sep 6, 2017
Jul 21, 2017
Jul 21, 2017
Jul 18, 2017
Jul 4, 2017
May 19, 2017
May 19, 2017
May 2, 2017
Jun 23, 2016
Jun 23, 2016
Jun 22, 2015
Jun 22, 2015
Jun 22, 2015
Jun 22, 2015
Jan 12, 2015
Jan 12, 2015
Jan 12, 2015
Jan 12, 2015