Control Apparatus And Control Method For An Ac Rotary Machine

Patent No. EP2597771 (titled "Control Apparatus And Control Method For An Ac Rotary Machine") was filed by Mitsubishi Electric on Jul 23, 2010. The application was issued on Jun 27, 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
LENZE SOCIETAS EUROPAEA	Mar 27, 2019	PATENTANWALTE RUFF

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 24, 2023
Communication of amended entries concerning the representative
Jul 7, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition not admissible (opponent)
Jul 7, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition not admissible (proprietor)
Jul 2, 2021
Termination of the opposition proceedings with maintenance of patent
Mar 30, 2021
Advice of delivery
Mar 23, 2021
Advice of delivery
Mar 23, 2021
Annex to the communication - opposition
Mar 23, 2021
Decision concerning the inadmissibility of the opposition to opponent
Mar 23, 2021
Decision concerning the inadmissibility of the opposition to opponent
Mar 23, 2021
Decision of the Opposition Division and instruction
Mar 23, 2021
Grounds for the decision (Annex) - opposition
Mar 23, 2021
Internal form - Opposition/addressees
Mar 23, 2021
Internal form - Opposition/addressees
Mar 23, 2021
Means of redress
Mar 23, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 23, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 23, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 23, 2021
Provision of a copy of the minutes - opposition procedure
Mar 23, 2021
Provision of a copy of the minutes - opposition procedure
Mar 23, 2021
Transmittal of decision / summons - opposition
Mar 23, 2021
Transmittal of decision / summons - opposition
Mar 2, 2021
Brief communication - Opposition proceedings
Mar 2, 2021
Brief communication - Opposition proceedings
Mar 2, 2021
Communication of amended entries
Feb 26, 2021
Information about the result of oral proceedings
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
Annexes in respect of a client data request
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 24, 2021
Request for transfer of rights - opponent
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Auxiliary request during Opposition procedure
Jan 25, 2021
Auxiliary request during Opposition procedure - 01
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Written submission in preparation to/during oral proceedings
Jan 13, 2021
Brief communication - Opposition proceedings
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Written submission in preparation to/during oral proceedings
Dec 16, 2020
Notification concerning the date of oral proceedings
Dec 16, 2020
Notification concerning the date of oral proceedings
Oct 28, 2020
Advice of delivery
Oct 21, 2020
Brief communication - Opposition proceedings
Oct 19, 2020
Communication about missing advice of delivery
Oct 13, 2020
(Electronic) Receipt
Oct 13, 2020
Letter accompanying subsequently filed items
Oct 13, 2020
Oral proceedings: reply to date proposed
Sep 28, 2020
Advice of delivery
Sep 22, 2020
Acknowledgement of a document
Sep 22, 2020
Acknowledgement of a document
Sep 22, 2020
Information concerning oral proceedings
Sep 22, 2020
Summons to attend oral proceedings
Sep 22, 2020
Summons to attend oral proceedings
Sep 4, 2020
Advice of delivery
Aug 28, 2020
Advice of delivery
Aug 26, 2020
Notification concerning the date of oral proceedings
Aug 26, 2020
Notification concerning the date of oral proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 20, 2020
(Electronic) Receipt
Aug 20, 2020
Letter accompanying subsequently filed items
Aug 20, 2020
Letter regarding the opposition procedure (no time limit)
Aug 19, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
(Electronic) Receipt
Aug 14, 2020
Letter accompanying subsequently filed items
Aug 14, 2020
Oral proceedings: reply to date proposed
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Request for interpreters during oral proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Letter regarding the opposition procedure (no time limit)
Jul 2, 2020
Brief communication - Opposition proceedings
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
Letter accompanying subsequently filed items
Jun 26, 2020
Written submission in preparation to/during oral proceedings
Feb 5, 2020
Advice of delivery
Feb 4, 2020
Advice of delivery
Feb 3, 2020
Advice of delivery
Jan 31, 2020
Acknowledgement of a document
Jan 31, 2020
Acknowledgement of a document
Jan 31, 2020
Annex to the communication - opposition
Jan 31, 2020
Information concerning oral proceedings
Jan 31, 2020
Summons to attend oral proceedings
Jan 31, 2020
Summons to attend oral proceedings
Jan 17, 2020
Brief communication - Opposition proceedings
Jan 13, 2020
(Electronic) Receipt
Jan 13, 2020
Any annexes (other than citation) to an opposition letter
Jan 13, 2020
Letter accompanying subsequently filed items
Jan 13, 2020
Reply to an examination report in opposition proceedings
Jan 3, 2020
Annex to the communication - opposition
Jan 3, 2020
Communication inviting the parties to file observations
Jan 3, 2020
Internal form - Opposition/addressees
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 2, 2019
(Electronic) Receipt
Aug 2, 2019
Any annexes (other than citation) to an opposition letter
Aug 2, 2019
Letter accompanying subsequently filed items
Aug 2, 2019
Reply of the patent proprietor to the notice(s) of opposition
Apr 10, 2019
Communication of a notice of opposition and request to file observations
Apr 10, 2019
Notice of further oppositions to opponent(s)
Apr 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 27, 2019
(Electronic) Receipt
Mar 27, 2019
Citation in opposition procedure - 001
Mar 27, 2019
Consolidated list of cited opposition documents
Mar 27, 2019
Notice of opposition
Mar 27, 2019
Notice of opposition
Jul 9, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 1, 2018
Decision to grant a European patent
May 15, 2018
(Electronic) Receipt
May 15, 2018
Filing of the translations of the claims
May 15, 2018
French translation of claims
May 15, 2018
German translation of the claims
May 15, 2018
Letter accompanying subsequently filed items
Jan 8, 2018
Bibliographic data of the European patent application
Jan 8, 2018
Communication about intention to grant a European patent
Jan 8, 2018
Intention to grant (signatures)
Jan 8, 2018
Text intended for grant (clean copy)
Jan 8, 2018
Text intended for grant (version for approval)
Sep 12, 2017
(Electronic) Receipt
Sep 12, 2017
Amended description with annotations
Sep 12, 2017
Description
Sep 12, 2017
Letter accompanying subsequently filed items
Sep 12, 2017
Reply to communication from the Examining Division
May 3, 2017
Annex to the communication
May 3, 2017
Communication from the Examining Division
Apr 21, 2017
Examination started
Jan 26, 2017
(Electronic) Receipt
Jan 26, 2017
Amended claims filed after receipt of (European) search report
Jan 26, 2017
Amended claims with annotations
Jan 26, 2017
Amendments received before examination
Jan 26, 2017
Letter accompanying subsequently filed items
Aug 2, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 14, 2016
Communication regarding the transmission of the European search report
Jul 14, 2016
European search opinion
Jul 14, 2016
Information on Search Strategy
Jul 14, 2016
Supplementary European search report
Jun 10, 2016
Submission concerning representation
Jun 10, 2016
Submission concerning representation
May 27, 2016
Search started
May 3, 2013
Notification of forthcoming publication
Mar 1, 2013
Communication regarding possible amendment of the application/payment of claims fee
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 26, 2013
Translation of the international preliminary report on patentability
Feb 6, 2013
Copy of the international preliminary report on patentability
Jan 21, 2013
(Electronic) Receipt
Jan 21, 2013
Abstract
Jan 21, 2013
Amended claims filed after receipt of (European) search report
Jan 21, 2013
Claims
Jan 21, 2013
Description
Jan 21, 2013
Drawings
Jan 21, 2013
Letter concerning fees and payments
Jan 21, 2013
Letter concerning the inventor
Jan 21, 2013
Request for entry into the European phase
Jan 21, 2013
Submission concerning representation
Nov 30, 2012
Information on entry into European phase
Jan 26, 2012
Copy of the international search report
Jan 26, 2012
Copy of the translated international search report
Jan 26, 2012
International publication pamphlet

EP2597771

MITSUBISHI ELECTRIC

Application Number: EP10854994A
Filing Date: Jul 23, 2010
Status: Granted And Under Opposition; May 25, 2018
Publication Date: Jun 27, 2018
External Links: Slate, Register , Google Patents

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Control Apparatus And Control Method For An Ac Rotary Machine

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Dossier Documents

EP2597771