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The patent EP3222019 was granted to Grundfos Holding on Apr 3, 2024. The application was filed on Nov 17, 2014 under application number EP14811782A. 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 |
|---|---|---|---|
| WILO | Apr 14, 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 |
|---|---|
| DESCRIPTION | EP1321912 |
| DESCRIPTION | WO2013041616 |
| DESCRIPTION | WO2013117401 |
| EXAMINATION | US2013243614 |
| INTERNATIONAL-SEARCH-REPORT | US2006095772 |
| INTERNATIONAL-SEARCH-REPORT | US2014007211 |
| OPPOSITION | DE102013217854 |
| OPPOSITION | EP0355255 |
| OPPOSITION | US2006095772 |
| OPPOSITION | US2013214902 |
| OPPOSITION | US2014006188 |
| OPPOSITION | WO2014023468 |
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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Refund of fees
Appeal
Oct 19, 2023
Oct 16, 2023
(Electronic) Receipt
Appeal
Oct 16, 2023
Oct 16, 2023
Withdrawal of an appeal
Appeal
Sep 19, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2023
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(Electronic) Receipt
Appeal
Mar 13, 2023
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Reply to appeal
Appeal
Feb 28, 2023
Nov 18, 2022
Nov 15, 2022
(Electronic) Receipt
Appeal
Nov 15, 2022
Nov 15, 2022
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Refund of fees
Appeal
Oct 14, 2022
Oct 11, 2022
(Electronic) Receipt
Appeal
Oct 11, 2022
Oct 11, 2022
Withdrawal of an appeal
Appeal
Sep 20, 2022
Sep 20, 2022
Sep 15, 2022
(Electronic) Receipt
Appeal
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Notice of appeal
Appeal
Sep 13, 2022
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Sep 5, 2022
(Electronic) Receipt
Appeal
Sep 5, 2022
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Notice of appeal
Appeal
Jul 14, 2022
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OPPO
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Authorisation
OPPO
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Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 8, 2020
(Electronic) Receipt
Search/Exam
Jun 8, 2020
Filing of the translations of the claims
Search/Exam
Jun 8, 2020
French translation of claims
Search/Exam
Jun 8, 2020
German translation of the claims
Search/Exam
Jun 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
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Intention to grant (signatures)
Search/Exam
Feb 18, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 18, 2020
Dec 20, 2019
(Electronic) Receipt
Search/Exam
Dec 20, 2019
Amended claims with annotations
Search/Exam
Dec 20, 2019
Claims
Search/Exam
Dec 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2019
Oct 15, 2019
Annex to the communication
Search/Exam
Oct 15, 2019
Oct 15, 2019
Dec 18, 2018
(Electronic) Receipt
Search/Exam
Dec 18, 2018
Amended claims with annotations
Search/Exam
Dec 18, 2018
Claims
Search/Exam
Dec 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2018
Dec 4, 2018
Submission concerning representation
Search/Exam
Oct 26, 2018
Oct 23, 2018
(Electronic) Receipt
Search/Exam
Oct 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2018
Jun 14, 2018
Annex to the communication
Search/Exam
Jun 14, 2018
Communication from the Examining Division
Search/Exam
Jun 5, 2018
Jun 5, 2018
Jun 5, 2018
Examination started
Search/Exam
May 29, 2018
(Electronic) Receipt
Search/Exam
May 29, 2018
Letter accompanying subsequently filed items
Search/Exam
May 29, 2018
Aug 30, 2017
Jul 20, 2017
Jul 18, 2017
Communication to designated inventor
Search/Exam
Jun 13, 2017
(Electronic) Receipt
Search/Exam
Jun 13, 2017
Jun 13, 2017
Amended claims with annotations
Search/Exam
Jun 13, 2017
Request for entry into the European phase
Search/Exam
Jun 7, 2017
Mar 31, 2017
Information on entry into European phase
Search/Exam
May 26, 2016
Copy of the international search report
Search/Exam
May 26, 2016
Published international application - A1
Search/Exam
Dec 7, 2015
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Nov 17, 2014
(Electronic) Receipt
PCTRO
Nov 17, 2014
Abstract
PCTRO
Nov 17, 2014
Claims
PCTRO
Nov 17, 2014
Description
PCTRO
Nov 17, 2014
Drawings
PCTRO