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The patent EP4008230 was granted to Vorwerk & Interholding on Oct 25, 2023. The application was filed on Nov 30, 2021 under application number EP21211374A. 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 |
|---|---|---|---|
| ROBOVOX DISTRIBUTIONS | Jul 24, 2024 | SCHNEIDERS & BEHRENDT BOCHUM | ADMISSIBLE |
| FELL | Jul 20, 2024 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010060347 |
| OPPOSITION | DE102018201615 |
| OPPOSITION | EP2995235 |
| OPPOSITION | WO2018112495 |
| SEARCH | CN109416543 |
| SEARCH | EP1437958 |
| SEARCH | US2018184586 |
| SEARCH | US2020315087 |
| SEARCH | WO2009036644 |
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 11, 2025
Dec 11, 2025
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Authorisation
OPPO
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Authorisation
OPPO
Aug 12, 2024
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Jul 30, 2024
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Jul 11, 2024
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Jul 8, 2024
(Electronic) Receipt
Search/Exam
Jul 8, 2024
Authorisation
Search/Exam
Jul 8, 2024
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2024
Nov 8, 2023
Sep 28, 2023
Decision to grant a European patent
Search/Exam
Sep 15, 2023
(Electronic) Receipt
Search/Exam
Sep 15, 2023
English translation of the claims
Search/Exam
Sep 15, 2023
Filing of the translations of the claims
Search/Exam
Sep 15, 2023
French translation of claims
Search/Exam
Sep 15, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2023
Jun 29, 2023
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Jun 29, 2023
Intention to grant (signatures)
Search/Exam
Jun 29, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2023
Apr 12, 2023
(Electronic) Receipt
Search/Exam
Apr 12, 2023
Amended claims with annotations
Search/Exam
Apr 12, 2023
Amended description with annotations
Search/Exam
Apr 12, 2023
Claims
Search/Exam
Apr 12, 2023
Description
Search/Exam
Apr 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Intention to grant (signatures)
Search/Exam
Jan 5, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 5, 2023
Dec 8, 2022
Examination started
Search/Exam
Aug 2, 2022
(Electronic) Receipt
Search/Exam
Aug 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 2, 2022
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 13, 2022
May 11, 2022
Notification of forthcoming publication
Search/Exam
May 4, 2022
May 4, 2022
European search opinion
Search/Exam
May 4, 2022
European search report
Search/Exam
May 4, 2022
Information on Search Strategy
Search/Exam
Apr 13, 2022
Search started
Search/Exam
Dec 14, 2021
Letter concerning the priority
Search/Exam
Dec 14, 2021
Priority document
Search/Exam
Nov 30, 2021
Abstract
Search/Exam
Nov 30, 2021
Nov 30, 2021
Claims
Search/Exam
Nov 30, 2021
Description
Search/Exam
Nov 30, 2021
Designation of inventor
Search/Exam
Nov 30, 2021
Drawings
Search/Exam
Nov 30, 2021
General authorisation
Search/Exam
Nov 30, 2021
Letter concerning the priority
Search/Exam
Nov 30, 2021
Priority search results
Search/Exam
Nov 30, 2021
Request for grant of a European patent
Search/Exam