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The patent EP4101350 was granted to Vorwerk & Interholding on Jul 26, 2023. The application was filed on Feb 23, 2022 under application number EP22158305A. 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 |
|---|---|---|---|
| WUNDERMIX | Apr 26, 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 |
|---|---|
| OPPOSITION | CA1107170 |
| OPPOSITION | CH356243 |
| OPPOSITION | DE1136071 |
| OPPOSITION | DE202012105011U |
| OPPOSITION | DE202195 |
| OPPOSITION | EP0075500 |
| OPPOSITION | FR1181902 |
| OPPOSITION | GB917504 |
| OPPOSITION | GB954661 |
| OPPOSITION | US2613712 |
| OPPOSITION | WO2016168889 |
| SEARCH | CN104322645 |
| SEARCH | DE1148714 |
| SEARCH | US2003094522 |
| SEARCH | WO2005122801 |
| SEARCH | WO2016168889 |
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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Decision to grant a European patent
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Jun 16, 2023
(Electronic) Receipt
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Jun 16, 2023
English translation of the claims
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Jun 16, 2023
Filing of the translations of the claims
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Jun 16, 2023
French translation of claims
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Jun 16, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Mar 28, 2023
Text intended for grant (clean copy)
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Examination started
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Jan 18, 2023
(Electronic) Receipt
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Jan 18, 2023
Letter accompanying subsequently filed items
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Jan 18, 2023
Written request for examination
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Jan 3, 2023
(Electronic) Receipt
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Jan 3, 2023
Letter accompanying subsequently filed items
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Dec 19, 2022
Nov 16, 2022
Notification of forthcoming publication
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Nov 2, 2022
(Electronic) Receipt
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Nov 2, 2022
Letter accompanying subsequently filed items
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Nov 2, 2022
Request for accelerated (early) publication
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Sep 19, 2022
Refund of fees
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European search opinion
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Sep 14, 2022
European search report
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Sep 14, 2022
Information on Search Strategy
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Sep 9, 2022
Priority search results copy provided by EPO
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Aug 22, 2022
Search started
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May 2, 2022
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Abstract
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Feb 23, 2022
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Claims
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Feb 23, 2022
Description
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Feb 23, 2022
Designation of inventor
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Feb 23, 2022
Drawings
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Feb 23, 2022
Request for grant of a European patent
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