Electric Motor

Patent No. EP2453556 (titled "Electric Motor") was filed by Grundfos Management on Mar 15, 2011. The application was issued on May 3, 2023.

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
KSB	Feb 2, 2024	VON TIETZEN UND HENNIG

Dossier Documents

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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Mar 27, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 27, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jan 2, 2025
Decision of the Opposition Division and instruction
Dec 20, 2024
Brief communication - Opposition proceedings
Dec 20, 2024
Brief communication - Opposition proceedings
Dec 20, 2024
Decision revoking the European patent
Dec 20, 2024
Decision revoking the European patent
Dec 20, 2024
Grounds for the decision (Annex) - opposition
Dec 20, 2024
Means of redress
Dec 20, 2024
Scanned annex to a communication - opposition procedure
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 4, 2024
(Electronic) Receipt
Dec 4, 2024
Letter accompanying subsequently filed items
Dec 4, 2024
Withdrawal of a request for oral proceedings
Oct 22, 2024
Notification concerning the date of oral proceedings
Oct 22, 2024
Notification concerning the date of oral proceedings
Oct 22, 2024
Written submission in preparation to/during oral proceedings
Oct 22, 2024
Written submission in preparation to/during oral proceedings
Oct 18, 2024
Brief communication - Opposition proceedings
Oct 15, 2024
(Electronic) Receipt
Oct 15, 2024
Any annexes (other than citation) to an opposition letter
Oct 15, 2024
Any annexes (other than citation) to an opposition letter
Oct 15, 2024
Letter accompanying subsequently filed items
Oct 15, 2024
Oral proceedings: Request for postponement
Sep 30, 2024
Annex to the communication - opposition
Sep 30, 2024
Scanned annex to a communication - opposition procedure
Sep 30, 2024
Summons to attend oral proceedings
Sep 30, 2024
Summons to attend oral proceedings
Jun 21, 2024
Brief communication - Opposition proceedings
Jun 19, 2024
(Electronic) Receipt
Jun 19, 2024
Auxiliary request during Opposition procedure
Jun 19, 2024
Auxiliary request during Opposition procedure - 01
Jun 19, 2024
Letter accompanying subsequently filed items
Jun 19, 2024
Reply of the patent proprietor to the notice(s) of opposition
Feb 20, 2024
Communication of a notice of opposition and request to file observations
Feb 20, 2024
Notice of further oppositions to opponent(s)
Feb 8, 2024
Communication of a notice of opposition - first information to patent proprietor
Feb 2, 2024
(Electronic) Receipt
Feb 2, 2024
Any annexes (other than citation) to an opposition letter
Feb 2, 2024
Citation in opposition procedure
Feb 2, 2024
Citation in opposition procedure - 001
Feb 2, 2024
Citation in opposition procedure - 002
Feb 2, 2024
Citation in opposition procedure - 003
Feb 2, 2024
Citation in opposition procedure - 004
Feb 2, 2024
Citation in opposition procedure - 005
Feb 2, 2024
Citation in opposition procedure - 006
Feb 2, 2024
Citation in opposition procedure - 007
Feb 2, 2024
Citation in opposition procedure - 008
Feb 2, 2024
Citation in opposition procedure - 009
Feb 2, 2024
Citation in opposition procedure - 010
Feb 2, 2024
Citation in opposition procedure - 011
Feb 2, 2024
Citation in opposition procedure - 012
Feb 2, 2024
Consolidated list of cited opposition documents
Feb 2, 2024
Letter accompanying subsequently filed items
Feb 2, 2024
Notice of opposition
May 16, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 6, 2023
Decision to grant a European patent
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
English translation of the claims
Feb 13, 2023
Filing of the translations of the claims
Feb 13, 2023
French translation of claims
Feb 13, 2023
Letter accompanying subsequently filed items
Oct 5, 2022
Annex to the communication about intention to grant a European patent
Oct 5, 2022
Bibliographic data of the European patent application
Oct 5, 2022
Communication about intention to grant a European patent
Oct 5, 2022
Intention to grant (signatures)
Oct 5, 2022
Text intended for grant (clean copy)
Oct 5, 2022
Text intended for grant (version for approval)
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
Amended claims with annotations
Aug 4, 2021
Amended description with annotations
Aug 4, 2021
Claims
Aug 4, 2021
Description
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Reply to communication from the Examining Division
Jun 17, 2021
Annex to the communication
Jun 17, 2021
Consultation by telephone/in person (with time limit)
Jun 17, 2021
Result of consultation by telephone/in person
Jan 27, 2020
(Electronic) Receipt
Jan 27, 2020
Amended claims with annotations
Jan 27, 2020
Claims
Jan 27, 2020
Letter accompanying subsequently filed items
Jan 27, 2020
Reply to communication from the Examining Division
Dec 10, 2019
Grant of extension of time limit (examination procedure)
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
Letter accompanying subsequently filed items
Dec 5, 2019
Request for extension of time limit to communication from the Examining Division
Jul 29, 2019
Annex to the communication
Jul 29, 2019
Communication from the Examining Division
Jul 18, 2019
Examination started
Apr 16, 2019
Notification regarding date of start of examination with possibility to withdraw
Feb 26, 2019
Communication of amended entries concerning the representative
Jan 22, 2019
Submission concerning representation
Jan 17, 2019
Submission concerning change of applicant's representative
Jan 17, 2019
Submission concerning representation
Nov 27, 2017
(Electronic) Receipt
Nov 27, 2017
Letter accompanying subsequently filed items
Nov 27, 2017
Priority search results
Nov 27, 2017
Priority search results
Nov 27, 2017
Priority search results
Nov 27, 2017
Reply to invitation to file a copy of priority search results
Nov 15, 2017
Invitation to file a copy of search results(priority)
Nov 15, 2017
Refund order of filing/examination fee
Nov 3, 2017
(Electronic) Receipt
Nov 3, 2017
Amended claims filed after receipt of (European) search report
Nov 3, 2017
Amended claims with annotations
Nov 3, 2017
Amended description filed after receipt of (European) search report
Nov 3, 2017
Amended description with annotations
Nov 3, 2017
Amended drawings filed after receipt of (European) search report
Nov 3, 2017
Amendments received before examination
Nov 3, 2017
Letter accompanying subsequently filed items
May 9, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 30, 2017
Communication regarding the transmission of the European search report
Mar 30, 2017
European search opinion
Mar 30, 2017
European search report
Mar 30, 2017
Information on Search Strategy
Mar 21, 2017
Search started
Mar 7, 2017
Payment of fees and costs
Mar 2, 2016
Payment of fees and costs
Mar 4, 2015
Payment of fees and costs
Apr 18, 2012
Notification of forthcoming publication
Nov 4, 2011
Designation of inventor
Nov 4, 2011
Letter concerning the inventor
May 25, 2011
Letter concerning the priority
May 25, 2011
Priority document
May 25, 2011
Priority document
Apr 6, 2011
Deficiency in designation of inventor
Mar 16, 2011
Abstract
Mar 16, 2011
Claims
Mar 16, 2011
Description
Mar 16, 2011
Drawings
Mar 16, 2011
Request for grant of a European patent
Mar 15, 2011
Abstract
Mar 15, 2011
Annex
Mar 15, 2011
Claims
Mar 15, 2011
Description
Mar 15, 2011
Drawings
Mar 15, 2011
Information of the Post Room regarding missing documents
Mar 15, 2011
Request for grant of a European patent

EP2453556

GRUNDFOS MANAGEMENT

Application Number: EP11002126A
Filing Date: Mar 15, 2011
Status: Revoked; Mar 28, 2025
Publication Date: May 3, 2023
External Links: Slate, Register , Google Patents

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Electric Motor

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Dossier Documents

EP2453556