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The patent EP3233027 was granted to Unilever on Oct 13, 2021. The application was filed on Nov 25, 2015 under application number EP15798481A. 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 |
|---|---|---|---|
| BEIERSDORF | Jul 12, 2022 | BEIERSDORF | ADMISSIBLE |
| HENKEL | Jul 12, 2022 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5733531 |
| DESCRIPTION | US7264795 |
| EXAMINATION | US2002025301 |
| INTERNATIONAL-SEARCH-REPORT | CN102657589 |
| INTERNATIONAL-SEARCH-REPORT | US2009280149 |
| INTERNATIONAL-SEARCH-REPORT | WO2014015879 |
| INTERNATIONAL-SEARCH-REPORT | WO9933439 |
| OPPOSITION | DE102008018787 |
| OPPOSITION | DE102008018788 |
| OPPOSITION | DE102012210379 |
| OPPOSITION | EP0965321 |
| OPPOSITION | EP2474295 |
| OPPOSITION | US2005152931 |
| OPPOSITION | US2009074684 |
| OPPOSITION | US2011044920 |
| OPPOSITION | US2014065086 |
| OPPOSITION | WO2009150257 |
| OPPOSITION | WO2013083912 |
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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Jan 9, 2023
Document concerning representation
Search/Exam
Jan 9, 2023
General authorisation
Search/Exam
Jan 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2022
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Jan 24, 2022
Oct 26, 2021
Sep 16, 2021
Decision to grant a European patent
Search/Exam
Aug 27, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
Letter to the Legal Division
Search/Exam
Jun 29, 2021
Communication from the Legal Division
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2021
Letter to the Legal Division
Search/Exam
May 31, 2021
Annex
Search/Exam
May 31, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Annex
Search/Exam
May 28, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Letter to the Legal Division
Search/Exam
May 11, 2021
(Electronic) Receipt
Search/Exam
May 11, 2021
Filing of the translations of the claims
Search/Exam
May 11, 2021
French translation of claims
Search/Exam
May 11, 2021
German translation of the claims
Search/Exam
Mar 31, 2021
Communication from the Legal Division
Search/Exam
Mar 24, 2021
Annexes in respect of a client data request
Search/Exam
Mar 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2021
Mar 16, 2021
Annexes in respect of a client data request
Search/Exam
Mar 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2021
Mar 12, 2021
Communication from the Legal Division
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Intention to grant (signatures)
Search/Exam
Feb 9, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 9, 2021
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2021
Oct 1, 2020
Document concerning representation
Search/Exam
Jan 16, 2020
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Claims
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2019
Jul 3, 2019
Annex to the communication
Search/Exam
Jul 3, 2019
Communication from the Examining Division
Search/Exam
Jan 24, 2019
(Electronic) Receipt
Search/Exam
Jan 24, 2019
Amended claims with annotations
Search/Exam
Jan 24, 2019
Claims
Search/Exam
Jan 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2019
Sep 19, 2018
Annex to the communication
Search/Exam
Sep 19, 2018
Communication from the Examining Division
Search/Exam
Sep 12, 2018
Examination started
Search/Exam
Feb 15, 2018
(Electronic) Receipt
Search/Exam
Feb 15, 2018
Feb 15, 2018
Amended claims with annotations
Search/Exam
Feb 15, 2018
Amendments received before examination
Search/Exam
Feb 15, 2018
Citation for the examination procedure
Search/Exam
Feb 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2017
Sep 14, 2017
Aug 16, 2017
Aug 8, 2017
Priority search results copy provided by EPO
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jun 19, 2017
May 17, 2017
(Electronic) Receipt
Search/Exam
May 17, 2017
Request for entry into the European phase
Search/Exam
May 2, 2017
Information on entry into European phase
Search/Exam
Apr 10, 2017
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Apr 7, 2017
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Jan 18, 2017
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Nov 18, 2016
Written opinion
PCT2
Nov 18, 2016
Nov 18, 2016
Nov 15, 2016
Notification of election of EPO
Search/Exam
Nov 8, 2016
Oct 27, 2016
Oct 6, 2016
Oct 6, 2016
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PCT demand form
PCT2
Oct 6, 2016
Oct 6, 2016
Oct 6, 2016
Jul 12, 2016
Jun 23, 2016
Copy of the international search report
Search/Exam
Jun 23, 2016
Published international application - A1
Search/Exam
Jun 7, 2016
Jun 7, 2016
May 31, 2016
(Electronic) Receipt
PCTRO
May 31, 2016
May 31, 2016
Feb 23, 2016
Feb 18, 2016
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Jan 28, 2016
ISR: cited documents
PCTISA
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Dec 15, 2015
Dec 8, 2015
Nov 30, 2015
Nov 27, 2015
Nov 25, 2015
(Electronic) Receipt
PCTRO
Nov 25, 2015
Abstract
PCTRO
Nov 25, 2015
Claims
PCTRO
Nov 25, 2015
Description
PCTRO
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015