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The patent EP4076899 was granted to Actega Artstica on May 24, 2023. The application was filed on Jul 1, 2021 under application number EP21737679A. 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 | Feb 20, 2024 | KBN | ADMISSIBLE |
| HENKEL | Feb 20, 2024 | PATENTANWALTE BAUER VORBERG KAYSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP3499194 |
| INTERNATIONAL-SEARCH-REPORT | US2017168471 |
| INTERNATIONAL-SEARCH-REPORT | US2018056567 |
| INTERNATIONAL-SEARCH-REPORT | US2019070762 |
| INTERNATIONAL-SEARCH-REPORT | WO02074516 |
| OPPOSITION | EP0192166 |
| OPPOSITION | EP1890118 |
| OPPOSITION | EP3499194 |
| OPPOSITION | US2017168471 |
| OPPOSITION | US2018056567 |
| OPPOSITION | US2019070762 |
| OPPOSITION | US5215587 |
| OPPOSITION | US6010740 |
| OPPOSITION | WO02074516 |
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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Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
Notice of appeal
Appeal
Dec 19, 2025
Notice of appeal
Appeal
Nov 3, 2025
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Means of redress
OPPO
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Description
OPPO
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Decision to grant a European patent
Search/Exam
Apr 17, 2023
Apr 12, 2023
(Electronic) Receipt
Search/Exam
Apr 12, 2023
Filing of the translations of the claims
Search/Exam
Apr 12, 2023
French translation of claims
Search/Exam
Apr 12, 2023
German translation of the claims
Search/Exam
Apr 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2023
Jan 9, 2023
Dec 15, 2022
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Intention to grant (signatures)
Search/Exam
Dec 15, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 15, 2022
Nov 29, 2022
Examination started
Search/Exam
Sep 28, 2022
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(Electronic) Receipt
Search/Exam
Sep 20, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2022
Matter concerning the application
Search/Exam
Aug 3, 2022
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Priority search results copy provided by EPO
Search/Exam
Jul 19, 2022
(Electronic) Receipt
Search/Exam
Jul 19, 2022
Request for entry into the European phase
Search/Exam
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Notification of election of EPO
Search/Exam
May 9, 2022
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Jan 6, 2022
Published international application - A1
Search/Exam
Jul 20, 2021
Jul 1, 2021
(Electronic) Receipt
PCTRO
Jul 1, 2021
Abstract
PCTRO
Jul 1, 2021
Claims
PCTRO
Jul 1, 2021
Description
PCTRO
Jul 1, 2021
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Drawings
PCTRO
Jul 1, 2021
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