The patent EP3824057 was granted to Unilever on Oct 18, 2023. The application was originally filed on Jul 11, 2019 under application number EP19736751A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | EP0070074 | 
| DESCRIPTION | EP0218272 | 
| DESCRIPTION | EP0260105 | 
| DESCRIPTION | EP0328177 | 
| DESCRIPTION | EP0331376 | 
| DESCRIPTION | EP0346995 | 
| DESCRIPTION | EP0384070 | 
| DESCRIPTION | EP0407225 | 
| DESCRIPTION | GB1296839 | 
| DESCRIPTION | GB1372034 | 
| DESCRIPTION | JPS6474992 | 
| DESCRIPTION | US4435307 | 
| DESCRIPTION | US4814272 | 
| DESCRIPTION | US5648263 | 
| DESCRIPTION | US5691178 | 
| DESCRIPTION | US5767090 | 
| DESCRIPTION | US5776757 | 
| DESCRIPTION | WO0060060 | 
| DESCRIPTION | WO0060063 | 
| DESCRIPTION | WO2005003274 | 
| DESCRIPTION | WO2006027086 | 
| DESCRIPTION | WO2006032327 | 
| DESCRIPTION | WO2006032397 | 
| DESCRIPTION | WO2006045275 | 
| DESCRIPTION | WO2008017570 | 
| DESCRIPTION | WO2008087497 | 
| DESCRIPTION | WO2008141880 | 
| DESCRIPTION | WO2009087524 | 
| DESCRIPTION | WO2009090576 | 
| DESCRIPTION | WO2009107091 | 
| DESCRIPTION | WO2009111258 | 
| DESCRIPTION | WO2009132870 | 
| DESCRIPTION | WO2009141173 | 
| DESCRIPTION | WO2009148983 | 
| DESCRIPTION | WO2010099997 | 
| DESCRIPTION | WO2010102861 | 
| DESCRIPTION | WO2010148624 | 
| DESCRIPTION | WO2011011799 | 
| DESCRIPTION | WO2012054820 | 
| DESCRIPTION | WO2013142495 | 
| DESCRIPTION | WO2013151970 | 
| DESCRIPTION | WO8909259 | 
| DESCRIPTION | WO9116422 | 
| DESCRIPTION | WO9205249 | 
| DESCRIPTION | WO9219708 | 
| DESCRIPTION | WO9219709 | 
| DESCRIPTION | WO9324618 | 
| DESCRIPTION | WO9401541 | 
| DESCRIPTION | WO9425578 | 
| DESCRIPTION | WO9506720 | 
| DESCRIPTION | WO9510602 | 
| DESCRIPTION | WO9514783 | 
| DESCRIPTION | WO9522615 | 
| DESCRIPTION | WO9526397 | 
| DESCRIPTION | WO9530744 | 
| DESCRIPTION | WO9535381 | 
| DESCRIPTION | WO9600292 | 
| DESCRIPTION | WO9612012 | 
| DESCRIPTION | WO9613580 | 
| DESCRIPTION | WO9627002 | 
| DESCRIPTION | WO9629397 | 
| DESCRIPTION | WO9704079 | 
| DESCRIPTION | WO9707202 | 
| DESCRIPTION | WO9812307 | 
| DESCRIPTION | WO9815257 | 
| EXAMINATION | EP2786743 | 
| INTERNATIONAL-SEARCH-REPORT | EP2786742 | 
| INTERNATIONAL-SEARCH-REPORT | EP3290500 | 
| INTERNATIONAL-SEARCH-REPORT | US2014349902 | 
| INTERNATIONAL-SEARCH-REPORT | US2016045424 | 
| INTERNATIONAL-SEARCH-REPORT | US2017071835 | 
| INTERNATIONAL-SEARCH-REPORT | US2018023040 | 
| INTERNATIONAL-SEARCH-REPORT | US2018044612 | 
| INTERNATIONAL-SEARCH-REPORT | US2018044614 | 
| INTERNATIONAL-SEARCH-REPORT | WO2014095367 | 
| INTERNATIONAL-SEARCH-REPORT | WO2014118095 | 
| INTERNATIONAL-SEARCH-REPORT | WO2016096478 | 
| OPPOSITION | DE19600743 | 
| OPPOSITION | EP2786743 | 
| OPPOSITION | US2014296168 | 
| OPPOSITION | WO2018044614 | 
| OTHER | EP2786743 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| EXAMINATION | - Anonymous, "Bio-friendly Replacement to Conventional Surfactants Now Available for Sale | Business Wire", (20151209), URL: https://www.businesswire.com/news/home/20151209005166/en/Bio-friendly-Replacement-to-Conventional-Surfactants-Now-Available-for-Sale, (20220517), XP055921808 | 
Get a free citation report including examiner, opposition, and international search citations.
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Date
Description
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Annexes in respect of a client data request
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Aug 6, 2025
Letter accompanying subsequently filed items
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Oct 31, 2023
Sep 21, 2023
Decision to grant a European patent
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Sep 8, 2023
(Electronic) Receipt
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Sep 8, 2023
French translation of claims
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Sep 8, 2023
German translation of the claims
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Sep 8, 2023
Letter accompanying subsequently filed items
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Jun 12, 2023
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Jun 12, 2023
Intention to grant (signatures)
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Jun 12, 2023
Text intended for grant (clean copy)
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Jun 12, 2023
Jan 9, 2023
Document concerning representation
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Jan 9, 2023
General authorisation
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Jan 9, 2023
Letter accompanying subsequently filed items
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Nov 9, 2022
Nov 3, 2022
(Electronic) Receipt
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Nov 3, 2022
Nov 3, 2022
Request for correction of client data
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Sep 29, 2022
(Electronic) Receipt
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Sep 29, 2022
Amended claims with annotations
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Sep 29, 2022
Amended claims with annotations
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Sep 29, 2022
Claims
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Sep 29, 2022
Claims
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Sep 29, 2022
Letter accompanying subsequently filed items
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Sep 29, 2022
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May 30, 2022
Annex to the communication
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May 30, 2022
Communication from the Examining Division
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May 9, 2022
(Electronic) Receipt
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May 9, 2022
Amended claims with annotations
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May 9, 2022
Amended description with annotations
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May 9, 2022
Claims
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May 9, 2022
Description
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May 9, 2022
Letter accompanying subsequently filed items
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May 9, 2022
Jan 13, 2022
Annex to the communication
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Jan 13, 2022
Communication from the Examining Division
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Jan 10, 2022
Examination started
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Sep 10, 2021
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Observations by third parties
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Sep 2, 2021
Aug 17, 2021
(Electronic) Receipt
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Aug 17, 2021
Aug 17, 2021
Amendments received before examination
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Aug 17, 2021
Letter accompanying subsequently filed items
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Apr 29, 2021
Feb 24, 2021
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Communication to designated inventor
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Feb 22, 2021
Communication to designated inventor
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Feb 22, 2021
Communication to designated inventor
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Feb 22, 2021
Communication to designated inventor
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Feb 17, 2021
Priority search results copy provided by EPO
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Feb 1, 2021
Jan 14, 2021
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Jan 14, 2021
Notification of the recording of a change
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Jan 14, 2021
Notification of the recording of a change
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Jan 13, 2021
(Electronic) Receipt
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Jan 13, 2021
Request for entry into the European phase
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Jan 12, 2021
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Jan 12, 2021
Notification of the recording of a change
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Jan 12, 2021
Notification of the recording of a change
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Nov 27, 2020
Information on entry into European phase
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Oct 15, 2020
Oct 15, 2020
Notification of the recording of a change
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Feb 11, 2020
Jan 23, 2020
Copy of the international search report
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Jan 23, 2020
Published international application - A1
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Dec 3, 2019
Aug 27, 2019
ISR: cited documents
PCTISA
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(Electronic) Receipt
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Jul 11, 2019
Abstract
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Jul 11, 2019
Claims
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Jul 11, 2019
Description
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Jul 11, 2019
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