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The patent EP3496585 was granted to Vorwerk & Interholding on Sep 6, 2023. The application was filed on Jul 31, 2017 under application number EP17746092A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| ELKINGTON AND FIFE | Aug 6, 2021 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10229611 |
| INTERNATIONAL-SEARCH-REPORT | DE10229611 |
| INTERNATIONAL-SEARCH-REPORT | US2006042040 |
| INTERNATIONAL-SEARCH-REPORT | US2016073841 |
| OPPOSITION | DE10229611 |
| OPPOSITION | KR20100104427 |
| OPPOSITION | US3656209 |
| OPPOSITION | WO2010044022 |
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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Decision to grant a European patent
Search/Exam
Nov 24, 2020
(Electronic) Receipt
Search/Exam
Nov 24, 2020
English translation of the claims
Search/Exam
Nov 24, 2020
Filing of the translations of the claims
Search/Exam
Nov 24, 2020
French translation of claims
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2020
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Intention to grant (signatures)
Search/Exam
Jul 24, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 24, 2020
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Examination started
Search/Exam
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Matter concerning the application
Search/Exam
May 24, 2019
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Request for further processing allowed
Search/Exam
May 20, 2019
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
May 6, 2019
(Electronic) Receipt
Search/Exam
May 6, 2019
General authorisation
Search/Exam
May 6, 2019
Request for entry into the European phase
Search/Exam
May 6, 2019
Request for further processing
Search/Exam
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Information on entry into European phase
Search/Exam
Sep 18, 2018
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Submission concerning representation
Search/Exam
Mar 1, 2018
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Copy of the international search report
Search/Exam
Feb 8, 2018
Copy of the international search report
Search/Exam
Feb 8, 2018
Published international application - A1
Search/Exam
Nov 21, 2017
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(Electronic) Receipt
PCTRO
Jul 31, 2017
Abstract
PCTRO
Jul 31, 2017
Claims
PCTRO
Jul 31, 2017
Description
PCTRO
Jul 31, 2017
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Drawings
PCTRO
Jul 31, 2017
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General authorisation
Search/Exam
Jul 31, 2017
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