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The patent EP3485166 was granted to Prominent on Feb 19, 2025. The application was filed on Jul 14, 2017 under application number EP17743290A. 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 |
|---|---|---|---|
| GRUNDFOS HOLDING | Jan 13, 2021 | PATENTANWALTE HEMMER LINDFELD FRESE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1757809 |
| INTERNATIONAL-SEARCH-REPORT | EP0183351 |
| INTERNATIONAL-SEARCH-REPORT | EP1754891 |
| INTERNATIONAL-SEARCH-REPORT | EP2966299 |
| INTERNATIONAL-SEARCH-REPORT | GB2312419 |
| INTERNATIONAL-SEARCH-REPORT | US2002155832 |
| INTERNATIONAL-SEARCH-REPORT | US2012282111 |
| OPPOSITION | CN204265601U |
| OPPOSITION | CN204434366U |
| OPPOSITION | EP0183351 |
| OPPOSITION | EP1146231 |
| OPPOSITION | EP1754891 |
| OPPOSITION | US2014199180 |
| OPPOSITION | WO2005039671 |
| OPPOSITION | WO2008045896 |
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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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Feb 28, 2023
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(Electronic) Receipt
Appeal
Nov 18, 2022
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(Electronic) Receipt
Appeal
Sep 19, 2022
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Notice of appeal
Appeal
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Means of redress
OPPO
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Apr 27, 2020
Mar 19, 2020
Decision to grant a European patent
Search/Exam
Mar 10, 2020
(Electronic) Receipt
Search/Exam
Mar 10, 2020
English translation of the claims
Search/Exam
Mar 10, 2020
French translation of claims
Search/Exam
Mar 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Intention to grant (signatures)
Search/Exam
Nov 14, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 14, 2019
Oct 18, 2019
Examination started
Search/Exam
Apr 25, 2019
Feb 26, 2019
Feb 22, 2019
Communication to designated inventor
Search/Exam
Feb 22, 2019
Communication to designated inventor
Search/Exam
Feb 1, 2019
Feb 1, 2019
Jan 17, 2019
(Electronic) Receipt
Search/Exam
Jan 17, 2019
Priority search results
Search/Exam
Jan 17, 2019
Request for entry into the European phase
Search/Exam
Nov 30, 2018
Information on entry into European phase
Search/Exam
Jun 22, 2018
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Notification of election of EPO
Search/Exam
May 17, 2018
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PCT demand form
PCT2
Apr 6, 2018
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Feb 12, 2018
Jan 25, 2018
Copy of the international search report
Search/Exam
Jan 25, 2018
Copy of the international search report
Search/Exam
Jan 25, 2018
Published international application - A1
Search/Exam
Oct 26, 2017
Oct 26, 2017
Oct 26, 2017
Aug 8, 2017
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Aug 4, 2017
Jul 14, 2017
(Electronic) Receipt
PCTRO
Jul 14, 2017
Abstract
PCTRO
Jul 14, 2017
Claims
PCTRO
Jul 14, 2017
Description
PCTRO
Jul 14, 2017
Jul 14, 2017
Drawings
PCTRO
Jul 14, 2017