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The patent EP3451589 was granted to Vorwerk & Interholding on Nov 11, 2020. The application was originally filed on Aug 3, 2018 under application number EP18187223A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN103916982 |
| OPPOSITION | CN104837216 |
| OPPOSITION | CN104936266 |
| OPPOSITION | EP2814273 |
| OPPOSITION | US2005014503 |
| OPPOSITION | WO2015043649 |
| SEARCH | DE102013219054 |
| SEARCH | FR2938393 |
| SEARCH | US2013173811 |
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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Description
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Mar 3, 2021
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Oct 15, 2020
Decision to grant a European patent
Search/Exam
Oct 2, 2020
(Electronic) Receipt
Search/Exam
Oct 2, 2020
English translation of the claims
Search/Exam
Oct 2, 2020
Filing of the translations of the claims
Search/Exam
Oct 2, 2020
French translation of claims
Search/Exam
Oct 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2020
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Jun 17, 2020
Intention to grant (signatures)
Search/Exam
Jun 17, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 17, 2020
Jun 8, 2020
Intention to grant (signatures)
Search/Exam
May 5, 2020
(Electronic) Receipt
Search/Exam
May 5, 2020
Amended claims with annotations
Search/Exam
May 5, 2020
Amended description with annotations
Search/Exam
May 5, 2020
Claims
Search/Exam
May 5, 2020
Description
Search/Exam
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
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Intention to grant (signatures)
Search/Exam
Mar 5, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 5, 2020
Feb 24, 2020
Examination started
Search/Exam
Apr 23, 2019
Matter concerning the application
Search/Exam
Mar 11, 2019
Feb 6, 2019
Notification of forthcoming publication
Search/Exam
Feb 1, 2019
Feb 1, 2019
European search opinion
Search/Exam
Feb 1, 2019
European search report
Search/Exam
Feb 1, 2019
Information on Search Strategy
Search/Exam
Jan 21, 2019
Search started
Search/Exam
Sep 26, 2018
Communication to designated inventor
Search/Exam
Sep 26, 2018
Communication to designated inventor
Search/Exam
Aug 10, 2018
Letter concerning the priority
Search/Exam
Aug 10, 2018
Priority document
Search/Exam
Aug 3, 2018
Abstract
Search/Exam
Aug 3, 2018
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Claims
Search/Exam
Aug 3, 2018
Description
Search/Exam
Aug 3, 2018
Designation of inventor
Search/Exam
Aug 3, 2018
Drawings
Search/Exam
Aug 3, 2018
General authorisation
Search/Exam
Aug 3, 2018
Matter concerning the application
Search/Exam
Aug 3, 2018
Priority search results
Search/Exam
Aug 3, 2018
Request for grant of a European patent
Search/Exam