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The patent EP2944825 was granted to Grundfos Holding on Aug 12, 2020. The application was filed on May 12, 2014 under application number EP14167971A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| WILO | May 12, 2021 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | DE10003644 |
| SEARCH | DE20005247U |
| SEARCH | DE2321165 |
| SEARCH | DE2361952 |
| SEARCH | DE29901065U |
| SEARCH | FR2402785 |
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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OPPO
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Aug 24, 2020
Jul 16, 2020
Decision to grant a European patent
Search/Exam
Jul 3, 2020
(Electronic) Receipt
Search/Exam
Jul 3, 2020
English translation of the claims
Search/Exam
Jul 3, 2020
Filing of the translations of the claims
Search/Exam
Jul 3, 2020
French translation of claims
Search/Exam
Jul 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2020
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Intention to grant (signatures)
Search/Exam
Mar 16, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 16, 2020
Jan 22, 2019
Submission concerning representation
Search/Exam
Jan 17, 2019
Submission concerning representation
Search/Exam
Sep 10, 2018
(Electronic) Receipt
Search/Exam
Sep 10, 2018
Amended claims with annotations
Search/Exam
Sep 10, 2018
Claims
Search/Exam
Sep 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2018
Apr 30, 2018
Annex to the communication
Search/Exam
Apr 30, 2018
Communication from the Examining Division
Search/Exam
Apr 23, 2018
Examination started
Search/Exam
Jun 1, 2017
May 18, 2017
(Electronic) Receipt
Search/Exam
May 18, 2017
Enquiry as to the processing of the file
Search/Exam
May 18, 2017
Letter accompanying subsequently filed items
Search/Exam
May 8, 2017
Payment of fees and costs
Search/Exam
Jun 15, 2016
Refund of fees
Search/Exam
May 12, 2016
(Electronic) Receipt
Search/Exam
May 12, 2016
Letter accompanying subsequently filed items
Search/Exam
May 12, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
May 4, 2016
Payment of fees and costs
Search/Exam
Nov 23, 2015
Oct 21, 2015
Notification of forthcoming publication
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Dec 19, 2014
Designation of inventor
Search/Exam
Dec 19, 2014
Letter concerning the inventor
Search/Exam
Oct 24, 2014
Oct 24, 2014
European search opinion
Search/Exam
Oct 24, 2014
European search report
Search/Exam
Oct 14, 2014
Search started
Search/Exam
Jul 2, 2014
Deficiency in designation of inventor
Search/Exam
May 12, 2014
Abstract
Search/Exam
May 12, 2014
May 12, 2014
Claims
Search/Exam
May 12, 2014
Description
Search/Exam
May 12, 2014
Drawings
Search/Exam
May 12, 2014
Request for grant of a European patent
Search/Exam