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IP Verse

Motor Rotor And Motor Having Same - EP2741400

The patent EP2741400 was granted to Gree Electric Appliances on Feb 21, 2018. The application was filed on Aug 29, 2011 under application number EP11870651A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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

Patent Summary

Patent Family

Patent Oppositions

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GRUNDFOS HOLDING	Nov 21, 2018	PATENTANWALTE HEMMER LINDFELD FRESE PARTNERSCHAFT MBB	WITHDRAWN

Patent Citations (21) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
EXAMINATION	JP2011083066
INTERNATIONAL-SEARCH-REPORT	CN1149778
INTERNATIONAL-SEARCH-REPORT	CN1243351
INTERNATIONAL-SEARCH-REPORT	CN202142924U
INTERNATIONAL-SEARCH-REPORT	CN202142925U
INTERNATIONAL-SEARCH-REPORT	CN202142926U
INTERNATIONAL-SEARCH-REPORT	JP2009044860
INTERNATIONAL-SEARCH-REPORT	US4924130
INTERNATIONAL-SEARCH-REPORT	US6815859
OPPOSITION	EP0143693
OPPOSITION	EP0746079
OPPOSITION	EP0823771
OPPOSITION	EP1261104
OPPOSITION	JP2002354766
OPPOSITION	JP2009044860
OPPOSITION	JP2011083066
OPPOSITION	JPH11275783
OPPOSITION	WO2008113082
SEARCH	JP2002354766
SEARCH	US4924130
SEARCH	US6218753

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