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The patent EP3866935 was granted to Unilever on Aug 10, 2022. The application was filed on Oct 14, 2019 under application number EP19786787A. 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 |
|---|---|---|---|
| THE PROCTER & GAMBLE | May 10, 2023 | ARCH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0545556 |
| DESCRIPTION | EP0550960 |
| DESCRIPTION | EP2442779 |
| DESCRIPTION | WO0152805 |
| DESCRIPTION | WO9527473 |
| INTERNATIONAL-SEARCH-REPORT | EP0550960 |
| INTERNATIONAL-SEARCH-REPORT | WO2017182358 |
| OPPOSITION | GB2299506 |
| OPPOSITION | US4202879 |
| OPPOSITION | WO2017182358 |
| OPPOSITION | WO2018111664 |
| OPPOSITION | WO2018111705 |
| OPPOSITION | WO2019206466 |
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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OPPO
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Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 4, 2022
(Electronic) Receipt
Search/Exam
Jul 4, 2022
Filing of the translations of the claims
Search/Exam
Jul 4, 2022
French translation of claims
Search/Exam
Jul 4, 2022
German translation of the claims
Search/Exam
Apr 12, 2022
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Intention to grant (signatures)
Search/Exam
Apr 12, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 12, 2022
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Examination started
Search/Exam
Jul 28, 2021
May 18, 2021
Priority search results copy provided by EPO
Search/Exam
May 3, 2021
Apr 18, 2021
Observations by third parties
Search/Exam
Apr 18, 2021
Patent document filed by a Third party
Search/Exam
Apr 18, 2021
Patent document filed by a Third party
Search/Exam
Apr 18, 2021
Patent document filed by a Third party
Search/Exam
Mar 30, 2021
Information regarding early processing
Search/Exam
Mar 23, 2021
(Electronic) Receipt
Search/Exam
Mar 23, 2021
Request for entry into the European phase
Search/Exam
Feb 26, 2021
Information on entry into European phase
Search/Exam
Jan 18, 2021
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Notification of the recording of a change
Search/Exam
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Notification of the recording of a change
Search/Exam
Oct 17, 2020
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Notification of the recording of a change
Search/Exam
May 11, 2020
Apr 23, 2020
Copy of the international search report
Search/Exam
Apr 23, 2020
Published international application - A1
Search/Exam
Feb 18, 2020
Oct 25, 2019
Oct 14, 2019
(Electronic) Receipt
PCTRO
Oct 14, 2019
Abstract
PCTRO
Oct 14, 2019
Claims
PCTRO
Oct 14, 2019
Description
PCTRO
Oct 14, 2019
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