The weekly litigation news digest is live. Subscribe now
The patent EP3452175 was granted to L'Oreal on Jun 7, 2023. The application was originally filed on Apr 25, 2017 under application number EP17790222A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0228868 |
| DESCRIPTION | US2012101135 |
| DESCRIPTION | US4599379 |
| DESCRIPTION | US4628078 |
| DESCRIPTION | US4835206 |
| DESCRIPTION | US4849484 |
| DESCRIPTION | US5100660 |
| DESCRIPTION | US9095543 |
| INTERNATIONAL-SEARCH-REPORT | US2009062406 |
| INTERNATIONAL-SEARCH-REPORT | WO2015181789 |
| OPPOSITION | DE102007040909 |
| OPPOSITION | US2010226948 |
| OPPOSITION | US2013156719 |
| OPPOSITION | WO2013150300 |
| OPPOSITION | WO2015089259 |
| SEARCH | US2010226948 |
| SEARCH | US2011070179 |
| SEARCH | US2012101135 |
| SEARCH | US2014349902 |
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
Nov 5, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Sep 2, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Jul 25, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Mar 22, 2024
Mar 22, 2024
Feb 26, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Jun 20, 2023
May 11, 2023
Decision to grant a European patent
Search/Exam
Mar 28, 2023
(Electronic) Receipt
Search/Exam
Mar 28, 2023
(Electronic) Receipt
Search/Exam
Mar 28, 2023
Filing of the translations of the claims
Search/Exam
Mar 28, 2023
French translation of claims
Search/Exam
Mar 28, 2023
German translation of the claims
Search/Exam
Mar 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2023
Mar 13, 2023
Mar 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2023
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Intention to grant (signatures)
Search/Exam
Nov 28, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 28, 2022
Nov 4, 2022
(Electronic) Receipt
Search/Exam
Nov 4, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Intention to grant (signatures)
Search/Exam
Aug 9, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 9, 2022
May 6, 2021
(Electronic) Receipt
Search/Exam
May 6, 2021
Amended description with annotations
Search/Exam
May 6, 2021
Description
Search/Exam
May 6, 2021
Letter accompanying subsequently filed items
Search/Exam
May 6, 2021
Mar 31, 2021
Annex to the communication
Search/Exam
Mar 31, 2021
Communication from the Examining Division
Search/Exam
Mar 24, 2021
Examination started
Search/Exam
Aug 18, 2020
(Electronic) Receipt
Search/Exam
Aug 18, 2020
Aug 18, 2020
Amended claims with annotations
Search/Exam
Aug 18, 2020
Amendments received before examination
Search/Exam
Aug 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
Jan 29, 2020
Jan 29, 2020
European search opinion
Search/Exam
Jan 29, 2020
Information on Search Strategy
Search/Exam
Jan 29, 2020
Supplementary European search report
Search/Exam
Dec 12, 2019
(Electronic) Receipt
Search/Exam
Dec 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2019
Nov 29, 2019
Jun 12, 2019
(Electronic) Receipt
Search/Exam
Jun 12, 2019
Jun 12, 2019
Amended claims with annotations
Search/Exam
Jun 12, 2019
Amendments received before examination
Search/Exam
Jun 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2019
Dec 19, 2018
Dec 3, 2018
Communication to designated inventor
Search/Exam
Dec 3, 2018
Communication to designated inventor
Search/Exam
Dec 3, 2018
Communication to designated inventor
Search/Exam
Dec 3, 2018
Communication to designated inventor
Search/Exam
Nov 23, 2018
(Electronic) Receipt
Search/Exam
Nov 23, 2018
Nov 23, 2018
Amended claims with annotations
Search/Exam
Nov 23, 2018
Request for entry into the European phase
Search/Exam
Nov 16, 2018
Oct 25, 2018
Notification of the recording of a change
Search/Exam
Oct 25, 2018
Notification of the recording of a change
Search/Exam
Oct 25, 2018
Notification of the recording of a change
Search/Exam
Oct 25, 2018
Notification of the recording of a change
Search/Exam
Sep 7, 2018
Information on entry into European phase
Search/Exam
Nov 20, 2017
Nov 2, 2017
Copy of the international search report
Search/Exam
Nov 2, 2017
Published international application - A1
Search/Exam