Patent No. EP2138154 (titled "Hair Rinse With Amphotenside And Special Storage Life") was filed by Beiersdorf on May 25, 2009. The application was issued on Aug 7, 2024.

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 |
|---|---|---|
| HENKEL | Apr 18, 2019 | LKGLOBAL LORENZ & KOPF |
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
Jul 11, 2024
Jul 11, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
Mar 12, 2024
Mar 12, 2024
Mar 12, 2024
Mar 5, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Feb 1, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Dec 15, 2023
Dec 15, 2023
Oct 24, 2023
Oct 20, 2023
Oct 16, 2023
Oct 16, 2023
Oct 13, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Sep 15, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Aug 7, 2023
Aug 2, 2023
Jul 25, 2023
Jul 25, 2023
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 5, 2022
Jan 17, 2022
Nov 18, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Jul 28, 2021
Jul 28, 2021
Jul 23, 2021
Jul 14, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Apr 30, 2021
Apr 30, 2021
Apr 28, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Mar 4, 2021
Feb 25, 2021
Feb 25, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Jan 22, 2021
Dec 1, 2020
Dec 1, 2020
Nov 26, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Aug 11, 2020
Jul 31, 2020
Jul 2, 2020
Jun 25, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
May 29, 2020
May 27, 2020
May 25, 2020
May 19, 2020
May 12, 2020
Apr 29, 2020
Apr 29, 2020
Apr 23, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Mar 10, 2020
Mar 5, 2020
Mar 5, 2020
Mar 5, 2020
Feb 20, 2020
Feb 18, 2020
Feb 14, 2020
Nov 11, 2019
Nov 7, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Jun 11, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
May 8, 2019
May 8, 2019
Apr 25, 2019
Apr 25, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Aug 6, 2018
Jun 28, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Mar 16, 2018
Mar 16, 2018
Mar 16, 2018
Mar 16, 2018
Mar 16, 2018
Jun 14, 2017
Mar 31, 2017
Mar 31, 2017
Mar 13, 2017
Oct 19, 2015
Oct 19, 2015
May 26, 2015
Apr 22, 2015
Apr 22, 2015
Apr 22, 2015
Apr 8, 2015
Feb 24, 2014
Jan 31, 2013
Dec 2, 2009
May 28, 2009
May 28, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009
May 25, 2009