The patent EP3339650 was granted to Grundfos Holding on Aug 10, 2022. The application was originally filed on Dec 21, 2016 under application number EP16205701A. 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 | US7624080 |
| EXAMINATION | US2011257936 |
| EXAMINATION | US7365452 |
| OPPOSITION | EP0097479 |
| OPPOSITION | US2004083834 |
| OPPOSITION | US2005123408 |
| OPPOSITION | WO2007131729 |
| SEARCH | EP2246569 |
| SEARCH | JP2007077832 |
| SEARCH | US2008247448 |
| SEARCH | US2013211744 |
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Date
Description
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Oct 22, 2025
Oct 22, 2025
Oct 10, 2025
Oct 7, 2025
(Electronic) Receipt
Appeal
Oct 7, 2025
Oct 7, 2025
Jul 14, 2025
Jul 9, 2025
(Electronic) Receipt
Appeal
Jul 9, 2025
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Reply to appeal
Appeal
Apr 25, 2025
Apr 22, 2025
(Electronic) Receipt
Appeal
Apr 22, 2025
Apr 22, 2025
Mar 25, 2025
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Mar 14, 2025
(Electronic) Receipt
Appeal
Mar 14, 2025
Notice of appeal
Appeal
Mar 14, 2025
Notice of appeal
Appeal
Jan 17, 2025
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Means of redress
OPPO
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Oct 26, 2022
Oct 18, 2022
(Electronic) Receipt
Search/Exam
Oct 18, 2022
General enquiry
Search/Exam
Oct 18, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 4, 2022
(Electronic) Receipt
Search/Exam
Jul 4, 2022
English translation of the claims
Search/Exam
Jul 4, 2022
Filing of the translations of the claims
Search/Exam
Jul 4, 2022
French translation of claims
Search/Exam
Jul 4, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Intention to grant (signatures)
Search/Exam
Feb 25, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 25, 2022
Apr 15, 2020
(Electronic) Receipt
Search/Exam
Apr 15, 2020
Amended claims with annotations
Search/Exam
Apr 15, 2020
Amended description with annotations
Search/Exam
Apr 15, 2020
Claims
Search/Exam
Apr 15, 2020
Description
Search/Exam
Apr 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2020
Dec 5, 2019
Annex to the communication
Search/Exam
Dec 5, 2019
Communication from the Examining Division
Search/Exam
Nov 21, 2019
Examination started
Search/Exam
Jan 22, 2019
Submission concerning representation
Search/Exam
Jan 17, 2019
Submission concerning representation
Search/Exam
Dec 17, 2018
(Electronic) Receipt
Search/Exam
Dec 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 2, 2018
May 30, 2018
Notification of forthcoming publication
Search/Exam
Jun 26, 2017
Jun 26, 2017
European search opinion
Search/Exam
Jun 26, 2017
European search report
Search/Exam
Jun 26, 2017
Information on Search Strategy
Search/Exam
Jun 14, 2017
Search started
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Feb 13, 2017
Communication to designated inventor
Search/Exam
Dec 21, 2016
Abstract
Search/Exam
Dec 21, 2016
Dec 21, 2016
Claims
Search/Exam
Dec 21, 2016
Description
Search/Exam
Dec 21, 2016
Designation of inventor
Search/Exam
Dec 21, 2016
Drawings
Search/Exam
Dec 21, 2016
Request for grant of a European patent
Search/Exam