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The patent EP2806851 was granted to L'Oreal on Aug 30, 2023. The application was filed on Jan 23, 2013 under application number EP13700922A. 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 |
|---|---|---|---|
| HENKEL | Jun 5, 2019 | LKGLOBAL LORENZ & KOPF | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR19850016334 |
| DESCRIPTION | DE4402929 |
| DESCRIPTION | DE4420736 |
| DESCRIPTION | DE4424530 |
| DESCRIPTION | DE4424533 |
| DESCRIPTION | EP0080976 |
| DESCRIPTION | EP0122324 |
| DESCRIPTION | EP0186507 |
| DESCRIPTION | EP0227994 |
| DESCRIPTION | EP0337354 |
| DESCRIPTION | EP0342834 |
| DESCRIPTION | EP0412704 |
| DESCRIPTION | EP0412707 |
| DESCRIPTION | EP0582152 |
| DESCRIPTION | EP0640105 |
| DESCRIPTION | EP0646572 |
| DESCRIPTION | FR1400366 |
| DESCRIPTION | FR1492597 |
| DESCRIPTION | FR1583363 |
| DESCRIPTION | FR2077143 |
| DESCRIPTION | FR2080759 |
| DESCRIPTION | FR2162025 |
| DESCRIPTION | FR2252840 |
| DESCRIPTION | FR2270846 |
| DESCRIPTION | FR2280361 |
| DESCRIPTION | FR2316271 |
| DESCRIPTION | FR2320330 |
| DESCRIPTION | FR2336434 |
| DESCRIPTION | FR2368508 |
| DESCRIPTION | FR2383660 |
| DESCRIPTION | FR2393573 |
| DESCRIPTION | FR2413907 |
| DESCRIPTION | FR2470596 |
| DESCRIPTION | FR2505348 |
| DESCRIPTION | FR2519863 |
| DESCRIPTION | FR2542997 |
| DESCRIPTION | FR2598611 |
| DESCRIPTION | FR2673179 |
| DESCRIPTION | US2261002 |
| DESCRIPTION | US2271378 |
| DESCRIPTION | US2273780 |
| DESCRIPTION | US2375853 |
| DESCRIPTION | US2388614 |
| DESCRIPTION | US2454547 |
| DESCRIPTION | US2961347 |
| DESCRIPTION | US3206462 |
| DESCRIPTION | US3227615 |
| DESCRIPTION | US3589578 |
| DESCRIPTION | US3836537 |
| DESCRIPTION | US3874870 |
| DESCRIPTION | US3929990 |
| DESCRIPTION | US3966904 |
| DESCRIPTION | US4001432 |
| DESCRIPTION | US4005193 |
| DESCRIPTION | US4025617 |
| DESCRIPTION | US4025627 |
| DESCRIPTION | US4025653 |
| DESCRIPTION | US4026945 |
| DESCRIPTION | US4027020 |
| DESCRIPTION | US4031307 |
| DESCRIPTION | US4131576 |
| DESCRIPTION | US4137180 |
| DESCRIPTION | US4693935 |
| DESCRIPTION | US4728571 |
| DESCRIPTION | US4874554 |
| DESCRIPTION | US4957732 |
| DESCRIPTION | US4972037 |
| DESCRIPTION | US7319128 |
| DESCRIPTION | WO2011080034 |
| DESCRIPTION | WO9323009 |
| DESCRIPTION | WO9407844 |
| DESCRIPTION | WO9410131 |
| DESCRIPTION | WO9424097 |
| DESCRIPTION | WO9500578 |
| DESCRIPTION | WO9516665 |
| DESCRIPTION | WO9523807 |
| EXAMINATION | US2002147268 |
| EXAMINATION | US2012174508 |
| INTERNATIONAL-SEARCH-REPORT | FR2916970 |
| INTERNATIONAL-SEARCH-REPORT | GB2407496 |
| INTERNATIONAL-SEARCH-REPORT | US2002146382 |
| INTERNATIONAL-SEARCH-REPORT | US2010179105 |
| OPPOSITION | DE102009028206 |
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.
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Description
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jul 26, 2018
(Electronic) Receipt
Search/Exam
Jul 26, 2018
Filing of the translations of the claims
Search/Exam
Jul 26, 2018
French translation of claims
Search/Exam
Jul 26, 2018
German translation of the claims
Search/Exam
Jul 26, 2018
Letter accompanying subsequently filed items
Search/Exam
May 24, 2018
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Intention to grant (signatures)
Search/Exam
May 24, 2018
Text intended for grant (clean copy)
Search/Exam
May 24, 2018
Jul 24, 2017
(Electronic) Receipt
Search/Exam
Jul 24, 2017
Amended claims with annotations
Search/Exam
Jul 24, 2017
Claims
Search/Exam
Jul 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2017
Jul 13, 2017
Invitation to confirm documents filed by fax
Search/Exam
Jun 12, 2017
Jan 31, 2017
Annex to the communication
Search/Exam
Jan 31, 2017
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Jun 20, 2016
Submission concerning representation
Search/Exam
Feb 23, 2016
(Electronic) Receipt
Search/Exam
Feb 23, 2016
Amended claims with annotations
Search/Exam
Feb 23, 2016
Claims
Search/Exam
Feb 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2016
Jan 22, 2016
Annex to the communication
Search/Exam
Jan 22, 2016
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Dec 14, 2015
Examination started
Search/Exam
Aug 4, 2015
Decision to allow further processing
Search/Exam
Jul 22, 2015
(Electronic) Receipt
Search/Exam
Jul 22, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2015
Request for further processing
Search/Exam
May 13, 2015
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Priority search results copy provided by EPO
Search/Exam
Sep 2, 2014
Communication to designated inventor
Search/Exam
Sep 2, 2014
Communication to designated inventor
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Sep 2, 2014
Communication to designated inventor
Search/Exam
Aug 13, 2014
Jun 23, 2014
(Electronic) Receipt
Search/Exam
Jun 23, 2014
Request for entry into the European phase
Search/Exam
Jun 6, 2014
Information on entry into European phase
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Aug 20, 2013
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Copy of the international search report
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Aug 1, 2013
Published international application - A1
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(Electronic) Receipt
PCTRO
Jan 23, 2013
Abstract
PCTRO
Jan 23, 2013
Claims
PCTRO
Jan 23, 2013
Description
PCTRO