The patent EP3150923 was granted to Grundfos Holding on Jun 8, 2022. The application was originally filed on Oct 2, 2015 under application number EP15188145A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| OPPOSITION | DE1928575 | 
| OPPOSITION | EP0568122 | 
| OPPOSITION | US2008260540 | 
| OPPOSITION | US2015014425 | 
| OPPOSITION | US2893416 | 
| OPPOSITION | US3734132 | 
| SEARCH | DE1049074 | 
| SEARCH | DE1928575 | 
| SEARCH | US3897903 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - "Improving Pumping System Performance - A Sourcebook for Industry (2nd Edition)", National Renewable Energy Laboratory Golden, (20060500), XP055425205 | 
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
Get instant alerts for new documents
May 12, 2022
May 9, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 7, 2022
Mar 31, 2022
Mar 9, 2022
Mar 9, 2022
Mar 3, 2022
Mar 3, 2022
Mar 3, 2022
Dec 27, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Means of redress
OPPO
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Nov 22, 2021
Oct 28, 2021
Oct 25, 2021
Oct 25, 2021
Oct 25, 2021
Oct 19, 2021
Oct 15, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Sep 27, 2021
Sep 27, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 22, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 6, 2021
May 3, 2021
Apr 29, 2021
Annex
OPPO
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 26, 2021
Apr 26, 2021
Apr 26, 2021
Apr 26, 2021
Mar 23, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 16, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Aug 5, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
May 11, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
Dec 20, 2019
Dec 20, 2019
Dec 9, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Mar 18, 2019
Feb 11, 2019
Feb 7, 2019
Decision to grant a European patent
Search/Exam
Feb 7, 2019
Feb 1, 2019
Patent document filed by a Third party
Search/Exam
Feb 1, 2019
Patent document filed by a Third party
Search/Exam
Jan 25, 2019
(Electronic) Receipt
Search/Exam
Jan 25, 2019
English translation of the claims
Search/Exam
Jan 25, 2019
Filing of the translations of the claims
Search/Exam
Jan 25, 2019
French translation of claims
Search/Exam
Jan 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2019
Submission concerning representation
Search/Exam
Jan 17, 2019
Submission concerning representation
Search/Exam
Oct 12, 2018
Oct 12, 2018
Oct 12, 2018
Intention to grant (signatures)
Search/Exam
Oct 12, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2018
Sep 26, 2018
Examination started
Search/Exam
Oct 9, 2017
Payment of fees and costs
Search/Exam
Oct 4, 2017
(Electronic) Receipt
Search/Exam
Oct 4, 2017
Oct 4, 2017
Amended description with annotations
Search/Exam
Oct 4, 2017
Amendments received before examination
Search/Exam
Oct 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2017
Mar 8, 2017
Notification of forthcoming publication
Search/Exam
Apr 22, 2016
Letter concerning the inventor
Search/Exam
Mar 22, 2016
Mar 22, 2016
European search opinion
Search/Exam
Mar 22, 2016
European search report
Search/Exam
Mar 22, 2016
Information on Search Strategy
Search/Exam
Mar 15, 2016
Mar 10, 2016
Search started
Search/Exam
Mar 7, 2016
Letter which had not been notified
Search/Exam
Feb 10, 2016
Communication to designated inventor
Search/Exam
Feb 3, 2016
Letter concerning the inventor
Search/Exam
Jan 18, 2016
Jan 11, 2016
Letter which had not been notified
Search/Exam
Nov 25, 2015
Communication to designated inventor
Search/Exam
Oct 2, 2015
Abstract
Search/Exam
Oct 2, 2015
Oct 2, 2015
Claims
Search/Exam
Oct 2, 2015
Description
Search/Exam
Oct 2, 2015
Designation of inventor
Search/Exam
Oct 2, 2015
Drawings
Search/Exam
Oct 2, 2015
Request for grant of a European patent
Search/Exam