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The patent EP3344227 was granted to L'Oreal on Jul 23, 2025. The application was filed on Sep 1, 2016 under application number EP16763478A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| DALLI WERKE | Apr 19, 2021 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1132079 |
| INTERNATIONAL-SEARCH-REPORT | EP1557155 |
| OPPOSITION | EP0865272 |
| OPPOSITION | US2003108503 |
| OPPOSITION | US2005143267 |
| OPPOSITION | US2006020145 |
| OPPOSITION | US2010249004 |
| OPPOSITION | US5882660 |
| OPPOSITION | US6489286 |
| OPPOSITION | WO2014101045 |
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
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(Electronic) Receipt
Appeal
Oct 1, 2024
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Sep 23, 2024
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Feb 13, 2024
(Electronic) Receipt
Appeal
Feb 13, 2024
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(Electronic) Receipt
Appeal
Dec 18, 2023
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(Electronic) Receipt
Appeal
Sep 19, 2023
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Mar 30, 2023
Mar 24, 2023
(Electronic) Receipt
Appeal
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Reply to appeal
Appeal
Mar 13, 2023
Mar 13, 2023
Mar 6, 2023
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Feb 20, 2023
Feb 15, 2023
(Electronic) Receipt
Appeal
Feb 15, 2023
Feb 15, 2023
Dec 21, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Nov 29, 2022
(Electronic) Receipt
Appeal
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Notice of appeal
Appeal
Oct 19, 2022
Oct 13, 2022
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Means of redress
OPPO
Oct 13, 2022
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Decision to grant a European patent
Search/Exam
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Intention to grant (signatures)
Search/Exam
Jun 15, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 15, 2020
May 15, 2020
(Electronic) Receipt
Search/Exam
May 15, 2020
Claims
Search/Exam
May 15, 2020
Description
Search/Exam
May 15, 2020
French translation of claims
Search/Exam
May 15, 2020
German translation of the claims
Search/Exam
May 15, 2020
Letter accompanying subsequently filed items
Search/Exam
May 15, 2020
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Intention to grant (signatures)
Search/Exam
Jan 16, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 16, 2020
Aug 14, 2019
(Electronic) Receipt
Search/Exam
Aug 14, 2019
Amended claims with annotations
Search/Exam
Aug 14, 2019
Claims
Search/Exam
Aug 14, 2019
Description
Search/Exam
Aug 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2019
Jun 14, 2019
Jun 7, 2019
(Electronic) Receipt
Search/Exam
Jun 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 7, 2019
Feb 7, 2019
Annex to the communication
Search/Exam
Feb 7, 2019
Communication from the Examining Division
Search/Exam
Feb 1, 2019
Examination started
Search/Exam
Oct 11, 2018
(Electronic) Receipt
Search/Exam
Oct 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 13, 2018
Apr 10, 2018
Apr 6, 2018
Communication to designated inventor
Search/Exam
Apr 6, 2018
Communication to designated inventor
Search/Exam
Apr 6, 2018
Communication to designated inventor
Search/Exam
Apr 6, 2018
Communication to designated inventor
Search/Exam
Apr 6, 2018
Communication to designated inventor
Search/Exam
Apr 3, 2018
Priority search results copy provided by EPO
Search/Exam
Mar 21, 2018
Feb 22, 2018
(Electronic) Receipt
Search/Exam
Feb 22, 2018
Request for entry into the European phase
Search/Exam
Feb 14, 2018
Notification of the recording of a change
Search/Exam
Jan 12, 2018
Information on entry into European phase
Search/Exam
Mar 28, 2017
Mar 9, 2017
Copy of the international search report
Search/Exam
Mar 9, 2017
Published international application - A1
Search/Exam
Jan 6, 2017
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Oct 21, 2016
ISR: cited documents
PCTISA
Oct 20, 2016
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Oct 4, 2016
Sep 26, 2016
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Sep 20, 2016
Sep 1, 2016
(Electronic) Receipt
PCTRO
Sep 1, 2016
Abstract
PCTRO
Sep 1, 2016
Claims
PCTRO
Sep 1, 2016
Description
PCTRO
Sep 1, 2016
Sep 1, 2016