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The patent EP3822489 was granted to Grundfos Holding on Mar 27, 2024. The application was originally filed on Nov 15, 2019 under application number EP19209453A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2008306892 |
| SEARCH | US2004039243 |
| SEARCH | US2008306892 |
| SEARCH | US2017037857 |
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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Payment submission rejected
Search/Exam
Dec 1, 2023
Nov 27, 2023
(Electronic) Receipt
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Nov 27, 2023
Letter concerning the inventor
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Oct 31, 2023
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Oct 5, 2023
(Electronic) Receipt
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Oct 5, 2023
Letter accompanying subsequently filed items
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Sep 21, 2023
Decision to grant a European patent
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Sep 18, 2023
Sep 12, 2023
(Electronic) Receipt
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Sep 12, 2023
French translation of claims
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Sep 12, 2023
German translation of the claims
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Sep 12, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 4, 2023
Text intended for grant (clean copy)
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Mar 29, 2023
Examination started
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Nov 19, 2021
(Electronic) Receipt
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Nov 19, 2021
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Amended claims with annotations
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Amended description with annotations
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Nov 19, 2021
Amendments received before examination
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Nov 19, 2021
Letter accompanying subsequently filed items
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May 25, 2021
Apr 28, 2021
Change to the inventor details
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Apr 21, 2021
(Electronic) Receipt
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Apr 21, 2021
Letter concerning the inventor
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Apr 21, 2021
Notification of forthcoming publication
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May 18, 2020
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European search opinion
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May 18, 2020
European search report
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May 18, 2020
Information on Search Strategy
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Apr 15, 2020
Search started
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Jan 9, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Nov 15, 2019
Abstract
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Nov 15, 2019
Nov 15, 2019
Claims
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Nov 15, 2019
Description
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Nov 15, 2019
Designation of inventor
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Nov 15, 2019
Drawings
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Nov 15, 2019
Request for grant of a European patent
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