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The patent EP2879656 was granted to L'Oreal on Jul 17, 2024. The application was filed on Aug 2, 2013 under application number EP13747818A. 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 |
|---|---|---|---|
| KAO GERMANY | Feb 28, 2020 | GRIT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19543988 |
| DESCRIPTION | DE2359399 |
| DESCRIPTION | DE3843892 |
| DESCRIPTION | DE4133957 |
| DESCRIPTION | EP0173109 |
| DESCRIPTION | EP0216479 |
| DESCRIPTION | EP0395282 |
| DESCRIPTION | EP0503853 |
| DESCRIPTION | EP0770375 |
| DESCRIPTION | EP0815828 |
| DESCRIPTION | FR2416723 |
| DESCRIPTION | FR2733749 |
| DESCRIPTION | FR2801308 |
| DESCRIPTION | FR2886136 |
| DESCRIPTION | GB1026978 |
| DESCRIPTION | GB1153196 |
| DESCRIPTION | JPH0563124 |
| DESCRIPTION | JPS63169571 |
| DESCRIPTION | US2798053 |
| DESCRIPTION | US2923692 |
| DESCRIPTION | US3915921 |
| DESCRIPTION | US4509949 |
| DESCRIPTION | WO0026167 |
| DESCRIPTION | WO9408969 |
| DESCRIPTION | WO9408970 |
| DESCRIPTION | WO9615765 |
| DESCRIPTION | WO9844012 |
| INTERNATIONAL-SEARCH-REPORT | DE20114179U |
| INTERNATIONAL-SEARCH-REPORT | EP0823250 |
| INTERNATIONAL-SEARCH-REPORT | EP2340807 |
| INTERNATIONAL-SEARCH-REPORT | FR2954092 |
| INTERNATIONAL-SEARCH-REPORT | FR2954095 |
| INTERNATIONAL-SEARCH-REPORT | WO03020229 |
| INTERNATIONAL-SEARCH-REPORT | WO9936047 |
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
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
Mar 8, 2022
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 10, 2021
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Aug 13, 2021
(Electronic) Receipt
Appeal
Aug 13, 2021
Aug 13, 2021
Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Apr 12, 2019
(Electronic) Receipt
Search/Exam
Apr 12, 2019
Filing of the translations of the claims
Search/Exam
Apr 12, 2019
French translation of claims
Search/Exam
Apr 12, 2019
German translation of the claims
Search/Exam
Dec 13, 2018
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Intention to grant (signatures)
Search/Exam
Dec 13, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 13, 2018
Jan 26, 2018
Decision to allow further processing
Search/Exam
Jan 12, 2018
(Electronic) Receipt
Search/Exam
Jan 12, 2018
Amended claims with annotations
Search/Exam
Jan 12, 2018
Annex
Search/Exam
Jan 12, 2018
Claims
Search/Exam
Jan 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2018
Request for further processing
Search/Exam
Nov 14, 2017
Jun 8, 2017
Jun 1, 2017
(Electronic) Receipt
Search/Exam
Jun 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2017
Apr 6, 2017
Annex to the communication
Search/Exam
Apr 6, 2017
Communication from the Examining Division
Search/Exam
Mar 20, 2017
Examination started
Search/Exam
Jun 20, 2016
Submission concerning representation
Search/Exam
Sep 18, 2015
(Electronic) Receipt
Search/Exam
Sep 18, 2015
Sep 18, 2015
Amended claims with annotations
Search/Exam
Sep 18, 2015
Amendments received before examination
Search/Exam
Sep 18, 2015
Amendments received before examination
Search/Exam
Sep 18, 2015
Letter accompanying subsequently filed items
Search/Exam
May 13, 2015
Mar 12, 2015
Mar 10, 2015
Communication to designated inventor
Search/Exam
Mar 10, 2015
Communication to designated inventor
Search/Exam
Mar 5, 2015
Priority search results copy provided by EPO
Search/Exam
Feb 16, 2015
Jan 27, 2015
(Electronic) Receipt
Search/Exam
Jan 27, 2015
Request for entry into the European phase
Search/Exam
Dec 10, 2014
Information on entry into European phase
Search/Exam
Feb 25, 2014
Feb 25, 2014
Feb 6, 2014
Copy of the international search report
Search/Exam
Feb 6, 2014
Feb 6, 2014
Published international application - A1
Search/Exam
Oct 17, 2013
Oct 17, 2013
Oct 17, 2013
Aug 2, 2013
(Electronic) Receipt
PCTRO
Aug 2, 2013
Abstract
PCTRO
Aug 2, 2013
Claims
PCTRO
Aug 2, 2013
Description
PCTRO