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The patent EP3240259 was granted to Wilo on Dec 27, 2023. The application was filed on Apr 19, 2017 under application number EP17000655A. 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 |
|---|---|---|---|
| DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB | Dec 23, 2021 | DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB | ADMISSIBLE |
| GRUNDFOS HOLDING | Dec 22, 2021 | RUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN104294909 |
| OPPOSITION | DE10056469 |
| OPPOSITION | DE102014113884 |
| OPPOSITION | EP1146231 |
| OPPOSITION | EP1850014 |
| OPPOSITION | EP2555582 |
| OPPOSITION | EP2573403 |
| OPPOSITION | EP3240259 |
| OPPOSITION | US2004218591 |
| OPPOSITION | US2009204234 |
| OPPOSITION | US2010312401 |
| OPPOSITION | US2012084400 |
| OPPOSITION | US2012093141 |
| OPPOSITION | US2012221713 |
| OPPOSITION | WO2011160152 |
| OPPOSITION | WO2013149281 |
| OPPOSITION | WO2016030517 |
| SEARCH | EP2555582 |
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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Apr 6, 2021
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Decision to grant a European patent
Search/Exam
Feb 11, 2021
(Electronic) Receipt
Search/Exam
Feb 11, 2021
English translation of the claims
Search/Exam
Feb 11, 2021
Filing of the translations of the claims
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Feb 11, 2021
French translation of claims
Search/Exam
Feb 11, 2021
Letter accompanying subsequently filed items
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Nov 25, 2020
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Intention to grant (signatures)
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Nov 25, 2020
Text intended for grant (clean copy)
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Nov 25, 2020
Oct 30, 2020
(Electronic) Receipt
Search/Exam
Oct 30, 2020
Drawings
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Oct 30, 2020
Letter accompanying subsequently filed items
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Oct 30, 2020
Matter concerning the application
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Oct 30, 2020
Oct 16, 2020
Jul 11, 2019
Amended claims with annotations
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Jul 11, 2019
Amended description with annotations
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Jul 11, 2019
Claims
Search/Exam
Jul 11, 2019
Description
Search/Exam
Jul 11, 2019
Mar 11, 2019
Annex to the communication
Search/Exam
Mar 11, 2019
Communication from the Examining Division
Search/Exam
Mar 4, 2019
Examination started
Search/Exam
Jun 7, 2018
Priority search results
Search/Exam
Jun 7, 2018
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Priority search results
Search/Exam
Jun 5, 2018
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Amended claims with annotations
Search/Exam
Apr 30, 2018
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Amended description with annotations
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Apr 30, 2018
Amendments received before examination
Search/Exam
Apr 30, 2018
Letter concerning fees and payments
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Apr 26, 2018
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Amended claims with annotations
Search/Exam
Apr 26, 2018
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Amended description with annotations
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Apr 26, 2018
Amendments received before examination
Search/Exam
Nov 6, 2017
Oct 5, 2017
Notification of forthcoming publication
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Sep 22, 2017
Sep 22, 2017
European search opinion
Search/Exam
Sep 22, 2017
European search report
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Sep 22, 2017
Information on Search Strategy
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Sep 7, 2017
Search started
Search/Exam
Jul 31, 2017
Letter concerning the priority
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Jul 31, 2017
Priority document
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Jun 30, 2017
Communication to designated inventor
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May 8, 2017
Payment of fees and costs
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May 8, 2017
Payment of fees and costs
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Apr 21, 2017
Abstract
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Apr 21, 2017
Claims
Search/Exam
Apr 21, 2017
Description
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Apr 21, 2017
Designation of inventor
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Apr 21, 2017
Drawings
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Apr 21, 2017
Request for grant of a European patent
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Apr 19, 2017
Abstract
Search/Exam
Apr 19, 2017
Claims
Search/Exam
Apr 19, 2017
Description
Search/Exam
Apr 19, 2017
Designation of inventor
Search/Exam
Apr 19, 2017
Drawings
Search/Exam
Apr 19, 2017
Request for grant of a European patent
Search/Exam