Motor Rotor And Motor Having Same

Patent No. EP2741400 (titled "Motor Rotor And Motor Having Same") was filed by Gree Electric Appliances on Aug 29, 2011. The application was issued on Feb 21, 2018.

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
GRUNDFOS HOLDING	Nov 21, 2018	PATENTANWALTE HEMMER LINDFELD FRESE PARTNERSCHAFT MBB

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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Jul 3, 2025
Brief communication - Opposition proceedings
Jul 3, 2025
Decision of the Opposition Division and instruction
Jul 3, 2025
Decision revoking the European patent
Jul 3, 2025
Grounds for the decision (Annex) - opposition
Jul 3, 2025
Means of redress
Jun 30, 2025
Notification concerning the date of oral proceedings
Jun 23, 2025
(Electronic) Receipt
Jun 23, 2025
Letter accompanying subsequently filed items
Jun 23, 2025
Withdrawal of a request for oral proceedings
Jan 31, 2025
Annex to the communication - opposition
Jan 31, 2025
Scanned annex to a communication - opposition procedure
Jan 31, 2025
Summons to attend oral proceedings
Aug 28, 2024
Decision of the Board of Appeal
Aug 28, 2024
F3032 Notification(s) of the decision
Jun 26, 2024
F3303.16 Change of composition of the Board (T)
Apr 28, 2023
F3303.16 Change of composition of the Board (T)
Mar 25, 2022
Composition of the board (T)
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Amended claims with annotations
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Annexes (other than cited documents) regarding appeal procedure
Apr 26, 2021
Claims
Apr 26, 2021
Letter accompanying subsequently filed items
Apr 26, 2021
Statement of grounds of appeal
Mar 10, 2021
Refund of fees
Mar 4, 2021
F3204 Communication of the file number to the parties
Mar 3, 2021
Communication confirming withdrawal from representation
Mar 3, 2021
Communication of amended entries concerning the representative
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 24, 2021
Notice of appeal
Feb 24, 2021
Submission concerning change of proprietor's representative
Dec 17, 2020
Advice of delivery
Dec 14, 2020
Annex to the communication - opposition
Dec 14, 2020
Decision of the Opposition Division and instruction
Dec 14, 2020
Decision revoking the European patent
Dec 14, 2020
Grounds for the decision (Annex) - opposition
Dec 14, 2020
Internal form - Opposition/addressees
Dec 14, 2020
Internal form - Opposition/addressees
Dec 14, 2020
Means of redress
Dec 14, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 14, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 14, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 14, 2020
Provision of a copy of the minutes - opposition procedure
Dec 14, 2020
Scanned annex to a communication - opposition procedure
Nov 20, 2020
Annex to the communication - opposition
Nov 20, 2020
Any annexes (other than citation) to an opposition letter
Nov 20, 2020
Brief communication - Opposition proceedings
Nov 20, 2020
Information about the result of oral proceedings
Nov 18, 2020
(Electronic) Receipt
Nov 18, 2020
Auxiliary request during Opposition procedure
Nov 18, 2020
Auxiliary request during Opposition procedure - 17
Nov 18, 2020
Letter accompanying subsequently filed items
Nov 18, 2020
Written submission in preparation to/during oral proceedings
Oct 22, 2020
(Electronic) Receipt
Oct 22, 2020
Letter accompanying subsequently filed items
Oct 22, 2020
Oral proceedings: reply to date proposed
Oct 13, 2020
Notification concerning the date of oral proceedings
Oct 13, 2020
Scanned annex to a communication - opposition procedure
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Written submission in preparation to/during oral proceedings
Sep 15, 2020
Notification concerning the date of oral proceedings
Sep 4, 2020
(Electronic) Receipt
Sep 4, 2020
Letter accompanying subsequently filed items
Sep 4, 2020
Request for interpreters during oral proceedings
May 5, 2020
Advice of delivery
Apr 23, 2020
Annex to the communication - opposition
Apr 23, 2020
Summons to attend oral proceedings
Mar 26, 2020
Notification concerning the date of oral proceedings
Mar 5, 2020
Oral proceedings: Request for postponement
Jan 31, 2020
Advice of delivery
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure - 14
Jan 30, 2020
Auxiliary request during Opposition procedure - 15
Jan 30, 2020
Auxiliary request during Opposition procedure - 16
Jan 30, 2020
Citation in opposition procedure
Jan 30, 2020
Citation in opposition procedure
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Patent document cited during the opposition procedure
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Jan 23, 2020
Information concerning oral proceedings
Jan 23, 2020
Notification concerning the date of oral proceedings
Jan 23, 2020
Summons to attend oral proceedings
Jan 7, 2020
(Electronic) Receipt
Jan 7, 2020
Letter accompanying subsequently filed items
Jan 7, 2020
Oral proceedings: Request for postponement
Nov 29, 2019
Notification concerning the date of oral proceedings
Nov 20, 2019
Advice of delivery
Nov 15, 2019
Advice of delivery
Nov 13, 2019
Brief communication - Opposition proceedings
Nov 13, 2019
Brief communication - Opposition proceedings
Nov 8, 2019
Annex to the communication - opposition
Nov 8, 2019
Information concerning oral proceedings
Nov 8, 2019
Notification concerning the date of oral proceedings
Nov 8, 2019
Notification concerning the date of oral proceedings
Nov 8, 2019
Summons to attend oral proceedings
Nov 8, 2019
Summons to attend oral proceedings
Nov 5, 2019
(Electronic) Receipt
Nov 5, 2019
Letter accompanying subsequently filed items
Nov 5, 2019
Withdrawal of an opposition
Oct 29, 2019
Advice of delivery
Oct 29, 2019
Advice of delivery
Oct 21, 2019
Brief communication - Opposition proceedings
Oct 14, 2019
(Electronic) Receipt
Oct 14, 2019
Letter accompanying subsequently filed items
Oct 14, 2019
Oral proceedings: Request for postponement
Oct 4, 2019
Advice of delivery
Oct 4, 2019
Advice of delivery
Sep 27, 2019
Annex to the communication - opposition
Sep 27, 2019
Information concerning oral proceedings
Sep 27, 2019
Scanned annex to a communication - opposition procedure
Sep 27, 2019
Summons to attend oral proceedings
Sep 27, 2019
Summons to attend oral proceedings
Sep 5, 2019
Brief communication - Opposition proceedings
Sep 5, 2019
Communication concerning the filing of a power of attorney
Sep 5, 2019
Communication of amended entries concerning the representative
Aug 20, 2019
(Electronic) Receipt
Aug 20, 2019
Letter accompanying subsequently filed items
Aug 20, 2019
Miscellaneous requests concerning client data
Jul 31, 2019
Brief communication to applicant/representative (Legal Division)
Jul 29, 2019
Brief communication - Opposition proceedings
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
Authorisation
Jul 23, 2019
Authorisation
Jul 23, 2019
Letter accompanying subsequently filed items
Jul 23, 2019
Submission concerning representation
Apr 10, 2019
Brief communication - Opposition proceedings
Apr 5, 2019
(Electronic) Receipt
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure
Apr 5, 2019
Auxiliary request during Opposition procedure - 01
Apr 5, 2019
Auxiliary request during Opposition procedure - 02
Apr 5, 2019
Auxiliary request during Opposition procedure - 03
Apr 5, 2019
Auxiliary request during Opposition procedure - 04
Apr 5, 2019
Auxiliary request during Opposition procedure - 05
Apr 5, 2019
Auxiliary request during Opposition procedure - 06
Apr 5, 2019
Auxiliary request during Opposition procedure - 07
Apr 5, 2019
Auxiliary request during Opposition procedure - 08
Apr 5, 2019
Auxiliary request during Opposition procedure - 09
Apr 5, 2019
Auxiliary request during Opposition procedure - 10
Apr 5, 2019
Auxiliary request during Opposition procedure - 11
Apr 5, 2019
Auxiliary request during Opposition procedure - 12
Apr 5, 2019
Auxiliary request during Opposition procedure - 13
Apr 5, 2019
Drawings
Apr 5, 2019
Letter accompanying subsequently filed items
Apr 5, 2019
Reply of the patent proprietor to the notice(s) of opposition
Feb 6, 2019
Brief communication - Opposition proceedings
Feb 6, 2019
Communication of amended entries
Jan 22, 2019
Request concerning representative opponent
Jan 17, 2019
Request concerning representative opponent
Dec 5, 2018
Communication of a notice of opposition and request to file observations
Dec 5, 2018
Notice of further oppositions to opponent(s)
Nov 30, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Any annexes (other than citation) to an opposition letter
Nov 21, 2018
Any annexes (other than citation) to an opposition letter
Nov 21, 2018
Any annexes (other than citation) to an opposition letter
Nov 21, 2018
Any annexes (other than citation) to an opposition letter
Nov 21, 2018
Citation in opposition procedure - 001
Nov 21, 2018
Citation in opposition procedure - 001
Nov 21, 2018
Citation in opposition procedure - 001
Nov 21, 2018
Citation in opposition procedure - 002
Nov 21, 2018
Citation in opposition procedure - 002
Nov 21, 2018
Citation in opposition procedure - 002
Nov 21, 2018
Citation in opposition procedure - 002
Nov 21, 2018
Citation in opposition procedure - 003
Nov 21, 2018
Citation in opposition procedure - 003
Nov 21, 2018
Citation in opposition procedure - 004
Nov 21, 2018
Citation in opposition procedure - 004
Nov 21, 2018
Citation in opposition procedure - 005
Nov 21, 2018
Citation in opposition procedure - 005
Nov 21, 2018
Citation in opposition procedure - 005
Nov 21, 2018
Citation in opposition procedure - 006
Nov 21, 2018
Citation in opposition procedure - 007
Nov 21, 2018
Citation in opposition procedure - 008
Nov 21, 2018
Consolidated list of cited opposition documents
Nov 21, 2018
Notice of opposition
Nov 21, 2018
Notice of opposition
Mar 9, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 25, 2018
Decision to grant a European patent
Jan 8, 2018
(Electronic) Receipt
Jan 8, 2018
Filing of the translations of the claims
Jan 8, 2018
French translation of claims
Jan 8, 2018
German translation of the claims
Nov 13, 2017
Bibliographic data of the European patent application
Nov 13, 2017
Communication about intention to grant a European patent
Nov 13, 2017
Intention to grant (signatures)
Nov 13, 2017
Text intended for grant (clean copy)
Nov 13, 2017
Text intended for grant (version for approval)
May 30, 2017
(Electronic) Receipt
May 30, 2017
Amended description with annotations
May 30, 2017
Amended drawings with annotations
May 30, 2017
Description
May 30, 2017
Drawings
May 30, 2017
Letter accompanying subsequently filed items
May 30, 2017
Reply to communication from the Examining Division
Mar 1, 2017
Annex to the communication
Mar 1, 2017
Communication from the Examining Division
Nov 3, 2016
Communication of amended entries concerning the representative
Oct 12, 2016
(Electronic) Receipt
Oct 12, 2016
Amended claims with annotations
Oct 12, 2016
Claims
Oct 12, 2016
Letter accompanying subsequently filed items
Oct 12, 2016
Reply to communication from the Examining Division
Jun 3, 2016
Annex to the communication
Jun 3, 2016
Communication from the Examining Division
May 27, 2016
Examination started
Apr 25, 2016
Communication of amended entries concerning the representative
Apr 20, 2016
(Electronic) Receipt
Apr 20, 2016
Letter accompanying subsequently filed items
Apr 20, 2016
Priority search results
Apr 14, 2016
Submission concerning change of applicant's representative
Mar 8, 2016
Invitation to file a copy of search results(priority)
Feb 25, 2016
(Electronic) Receipt
Feb 25, 2016
Amended claims filed after receipt of (European) search report
Feb 25, 2016
Amended claims with annotations
Feb 25, 2016
Amended description filed after receipt of (European) search report
Feb 25, 2016
Amended description with annotations
Feb 25, 2016
Amendments received before examination
Feb 25, 2016
Letter accompanying subsequently filed items
Aug 25, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 7, 2015
Communication regarding the transmission of the European search report
Aug 7, 2015
European search opinion
Aug 7, 2015
Supplementary European search report
Jul 28, 2015
Search started
May 23, 2014
(Electronic) Receipt
May 23, 2014
Letter accompanying subsequently filed items
May 14, 2014
Notification of forthcoming publication
May 12, 2014
Communication concerning corrected entries of the applicant
Apr 30, 2014
(Electronic) Receipt
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 26, 2014
Communication to designated inventor
Mar 3, 2014
(Electronic) Receipt
Mar 3, 2014
Abstract
Mar 3, 2014
Claims
Mar 3, 2014
Description
Mar 3, 2014
Drawings
Mar 3, 2014
Request for entry into the European phase
Feb 25, 2014
Copy of the international preliminary report on patentability
Feb 25, 2014
Translation of the international preliminary report on patentability
Dec 18, 2013
Information on entry into European phase
Mar 6, 2013
Priority document (electronically transmitted)
Feb 14, 2013
Copy of the international search report
Feb 14, 2013
Copy of the translated international search report
Feb 14, 2013
International publication pamphlet

EP2741400

GREE ELECTRIC APPLIANCES

Application Number: EP11870651A
Filing Date: Aug 29, 2011
Status: Granted And Under Opposition; Jan 19, 2018
Publication Date: Feb 21, 2018
External Links: Slate, Register , Google Patents

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Motor Rotor And Motor Having Same

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Dossier Documents

EP2741400