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The patent EP3735217 was granted to L'Oreal on Aug 9, 2023. The application was filed on Dec 21, 2018 under application number EP18826711A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| THE PROCTER & GAMBLE | May 8, 2024 | P&G PATENT GERMANY | ADMISSIBLE |
| PIERRE FABRE DERMO COSMETIQUE | May 7, 2024 | REGIMBEAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE4127230 |
| DESCRIPTION | EP0457688 |
| DESCRIPTION | FR1492597 |
| DESCRIPTION | US3589578 |
| DESCRIPTION | US4031307 |
| DESCRIPTION | US4131576 |
| INTERNATIONAL-SEARCH-REPORT | DE10354116 |
| INTERNATIONAL-SEARCH-REPORT | US5344643 |
| INTERNATIONAL-SEARCH-REPORT | US5883059 |
| INTERNATIONAL-SEARCH-REPORT | US6110451 |
| OPPOSITION | CN106361660 |
| OPPOSITION | EP1872771 |
| OPPOSITION | EP1880712 |
| OPPOSITION | FR2976795 |
| OPPOSITION | JP2014043424 |
| OPPOSITION | JP2016013984 |
| OPPOSITION | US2014309154 |
| OPPOSITION | US2015093348 |
| OPPOSITION | US2015297489 |
| OPPOSITION | US2016095809 |
| OPPOSITION | US4740367 |
| OPPOSITION | US5994280 |
| OPPOSITION | WO2016101138 |
| OPPOSITION | WO2017185225 |
| OPPOSITION | WO2018034878 |
| OPPOSITION | WO9206669 |
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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Aug 22, 2023
Jul 13, 2023
Decision to grant a European patent
Search/Exam
Jun 29, 2023
(Electronic) Receipt
Search/Exam
Jun 29, 2023
Filing of the translations of the claims
Search/Exam
Jun 29, 2023
French translation of claims
Search/Exam
Jun 29, 2023
German translation of the claims
Search/Exam
Jun 29, 2023
Letter accompanying subsequently filed items
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Mar 2, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 2, 2023
Jan 23, 2023
Examination started
Search/Exam
Dec 15, 2020
(Electronic) Receipt
Search/Exam
Dec 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 14, 2020
Aug 26, 2020
Aug 19, 2020
Priority search results copy provided by EPO
Search/Exam
Aug 7, 2020
Communication to designated inventor
Search/Exam
Aug 7, 2020
Communication to designated inventor
Search/Exam
Aug 7, 2020
Communication to designated inventor
Search/Exam
Jul 20, 2020
Jul 9, 2020
(Electronic) Receipt
Search/Exam
Jul 9, 2020
Jul 9, 2020
Request for entry into the European phase
Search/Exam
May 15, 2020
Information on entry into European phase
Search/Exam
Jul 30, 2019
Jul 11, 2019
Copy of the international search report
Search/Exam
Jul 11, 2019
Published international application - A1
Search/Exam
Mar 11, 2019
ISR: cited documents
PCTISA
Mar 11, 2019
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Dec 21, 2018
(Electronic) Receipt
PCTRO
Dec 21, 2018
Abstract
PCTRO
Dec 21, 2018
Claims
PCTRO
Dec 21, 2018
Description
PCTRO
Dec 21, 2018
Dec 21, 2018