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The patent EP3311791 was granted to Beiersdorf on Jun 17, 2020. The application was filed on Oct 5, 2017 under application number EP17194945A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| BASF | Mar 16, 2021 | BASF ASSOCIATION | ADMISSIBLE |
| L'OREAL | Mar 10, 2021 | LAVOIX | ADMISSIBLE |
| EMIL KIESSLING | Mar 5, 2021 | HERZOG PATENTANWALTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010008320 |
| OPPOSITION | DE102016211238 |
| OPPOSITION | EP2276449 |
| OPPOSITION | EP3260113 |
| OPPOSITION | EP3311791 |
| OPPOSITION | EP3328350 |
| OPPOSITION | WO2007068699 |
| OPPOSITION | WO2011101250 |
| OPPOSITION | WO2014127928 |
| SEARCH | DE102005059742 |
| SEARCH | DE102006029837 |
| SEARCH | EP2939710 |
| SEARCH | US2014328777 |
| SEARCH | WO2011101250 |
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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Decision to grant a European patent
Search/Exam
May 8, 2020
(Electronic) Receipt
Search/Exam
May 8, 2020
English translation of the claims
Search/Exam
May 8, 2020
Filing of the translations of the claims
Search/Exam
May 8, 2020
French translation of claims
Search/Exam
May 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2020
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Intention to grant (signatures)
Search/Exam
Feb 27, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 27, 2020
Nov 25, 2019
Claims
Search/Exam
Nov 25, 2019
Description
Search/Exam
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Nov 22, 2019
Claims
Search/Exam
Nov 22, 2019
Description
Search/Exam
Nov 22, 2019
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Annex to the communication
Search/Exam
Aug 12, 2019
Communication from the Examining Division
Search/Exam
Jun 6, 2019
Claims
Search/Exam
Jun 6, 2019
Description
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Jun 3, 2019
Claims
Search/Exam
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Description
Search/Exam
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Mar 27, 2019
Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Citation filed by a third party
Search/Exam
Mar 21, 2019
Citation filed by a third party
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Mar 21, 2019
Citation filed by a third party
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Mar 21, 2019
Citation filed by a third party
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Mar 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2019
Observations by third parties
Search/Exam
Feb 12, 2019
Annex to the communication
Search/Exam
Feb 12, 2019
Communication from the Examining Division
Search/Exam
Jan 25, 2019
Examination started
Search/Exam
Oct 2, 2018
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Amendments received before examination
Search/Exam
May 2, 2018
Mar 28, 2018
Notification of forthcoming publication
Search/Exam
Mar 2, 2018
Communication to designated inventor
Search/Exam
Feb 22, 2018
Letter concerning the inventor
Search/Exam
Feb 13, 2018
Feb 7, 2018
Letter which had not been notified
Search/Exam
Feb 5, 2018
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European search opinion
Search/Exam
Feb 5, 2018
European search report
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Feb 5, 2018
Information on Search Strategy
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Jan 19, 2018
Search started
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Jan 4, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jan 4, 2018
Communication to designated inventor
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Oct 12, 2017
Letter concerning the priority
Search/Exam
Oct 12, 2017
Priority document
Search/Exam
Oct 5, 2017
Abstract
Search/Exam
Oct 5, 2017
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Claims
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Oct 5, 2017
Description
Search/Exam
Oct 5, 2017
Designation of inventor
Search/Exam
Oct 5, 2017
Priority search results
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Oct 5, 2017
Request for grant of a European patent
Search/Exam