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The patent EP4176036 was granted to Unilever on Mar 13, 2024. The application was filed on Jun 17, 2021 under application number EP21733439A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| HENKEL | Dec 5, 2024 | - | ADMISSIBLE |
| DALLI WERKE | Nov 27, 2024 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1375637 |
| DESCRIPTION | EP1394065 |
| DESCRIPTION | US2018282673 |
| DESCRIPTION | WO2014170882 |
| DESCRIPTION | WO2018086834 |
| EXAMINATION | WO2020152044 |
| INTERNATIONAL-SEARCH-REPORT | US2018282673 |
| OPPOSITION | CA153023S |
| OPPOSITION | CA169319S |
| OPPOSITION | DE102014102567 |
| OPPOSITION | EM52475820002S |
| OPPOSITION | EM61205490001S |
| OPPOSITION | EM65311660001S |
| OPPOSITION | EM67606580001S |
| OPPOSITION | EP1375637 |
| OPPOSITION | EP1394065 |
| OPPOSITION | EP2617659 |
| OPPOSITION | EP3381834 |
| OPPOSITION | EP3381835 |
| OPPOSITION | EP3381836 |
| OPPOSITION | WO0055045 |
| OPPOSITION | WO2021063560 |
| OPPOSITION | XHDM202206S |
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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Annexes in respect of a client data request
Search/Exam
Aug 6, 2025
Letter accompanying subsequently filed items
Search/Exam
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Decision to grant a European patent
Search/Exam
Feb 7, 2024
(Electronic) Receipt
Search/Exam
Feb 7, 2024
Filing of the translations of the claims
Search/Exam
Feb 7, 2024
French translation of claims
Search/Exam
Feb 7, 2024
German translation of the claims
Search/Exam
Nov 10, 2023
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Intention to grant (signatures)
Search/Exam
Nov 10, 2023
Text intended for grant (clean copy)
Search/Exam
Nov 10, 2023
Sep 19, 2023
Examination started
Search/Exam
Apr 13, 2023
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Document concerning representation
Search/Exam
Jan 9, 2023
General authorisation
Search/Exam
Jan 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2022
(Electronic) Receipt
Search/Exam
Dec 8, 2022
Request for entry into the European phase
Search/Exam
Nov 11, 2022
Information on entry into European phase
Search/Exam
Jan 24, 2022
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Jan 6, 2022
Copy of the international search report
Search/Exam
Jan 6, 2022
Published international application - A1
Search/Exam
Dec 11, 2021
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Dec 6, 2021
(Electronic) Receipt
PCTISA
Dec 6, 2021
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ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Jun 17, 2021
Abstract
PCTRO
Jun 17, 2021
Claims
PCTRO
Jun 17, 2021
Description
PCTRO
Jun 17, 2021
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Drawings
PCTRO
Jun 17, 2021
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