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IP Verse

System And Method For Controlling Dc Link Voltage Of A Power Converter For Doubly-Fed Induction Generators - EP3214719

The patent EP3214719 was granted to General Electric on Jan 23, 2019. The application was originally filed on Feb 22, 2017 under application number EP17157474A. The patent is currently recorded with a legal status of "Revoked".

EP3214719

GENERAL ELECTRIC

Application Number: EP17157474A
Filing Date: Feb 22, 2017
Status: Revoked; Sep 3, 2021
Publication Date: Jan 23, 2019
External Links: Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Oppositions (3)

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
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CONVERTERTEC DEUTSCHLAND	Oct 23, 2019	COHAUSZ & FLORACK	ADMISSIBLE
NORDEX ENERGY	Oct 23, 2019	HAUCK	ADMISSIBLE
NORDEX ENERGY	Oct 23, 2019	HAUCK PATENTANWALTSPARTNERSCHAFT MBB	ADMISSIBLE

Patent Citations (18) New

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

Citation Phase	Publication Number
OPPOSITION	DE102006053367
OPPOSITION	EP1921738
OPPOSITION	EP2662561
OPPOSITION	EP3214719
OPPOSITION	US8664788
OPPOSITION	US8759995
OPPOSITION	WO2005027301
OPPOSITION	WO2013111172
OPPOSITION	WO2013144242
SEARCH	EP2296257
SEARCH	GB2331858
SEARCH	US2008001411
SEARCH	US2010133831
SEARCH	US2010140939
SEARCH	US2011140438
SEARCH	US2013181450
SEARCH	WO2014194464
SEARCH	WO9311604

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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Sep 3, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
OPPO
Sep 3, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
OPPO
Sep 3, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
OPPO
Aug 31, 2021
Termination of the opposition proceedings with revocation of patent
OPPO
May 28, 2021
Advice of delivery
OPPO
May 26, 2021
Advice of delivery
OPPO
May 21, 2021
Advice of delivery
OPPO
May 20, 2021
Decision of the Opposition Division and instruction
OPPO
May 20, 2021
Decision revoking the European patent
OPPO
May 20, 2021
Decision revoking the European patent
OPPO
May 20, 2021
Decision revoking the European patent
OPPO
May 20, 2021
Grounds for the decision (Annex) - opposition
OPPO
May 20, 2021
Internal form - Opposition/addressees
OPPO
May 20, 2021
Means of redress
OPPO
May 20, 2021
Transmittal of decision / summons - opposition
OPPO
May 20, 2021
Transmittal of decision / summons - opposition
OPPO
May 20, 2021
Transmittal of decision / summons - opposition
OPPO
May 18, 2021
Notification concerning the date of oral proceedings
OPPO
May 18, 2021
Notification concerning the date of oral proceedings
OPPO
May 18, 2021
Notification concerning the date of oral proceedings
OPPO
Apr 30, 2021
Brief communication - Opposition proceedings
OPPO
Apr 30, 2021
Brief communication - Opposition proceedings
OPPO
Apr 29, 2021
Brief communication - Opposition proceedings
OPPO
Apr 29, 2021
Brief communication - Opposition proceedings
OPPO
Apr 29, 2021
Brief communication - Opposition proceedings
OPPO
Apr 23, 2021
(Electronic) Receipt
OPPO
Apr 23, 2021
(Electronic) Receipt
OPPO
Apr 23, 2021
(Electronic) Receipt
OPPO
Apr 23, 2021
(Electronic) Receipt
OPPO
Apr 23, 2021
Letter accompanying subsequently filed items
OPPO
Apr 23, 2021
Letter accompanying subsequently filed items
OPPO
Apr 23, 2021
Letter accompanying subsequently filed items
OPPO
Apr 23, 2021
Letter accompanying subsequently filed items
OPPO
Apr 23, 2021
Request for interpreters during oral proceedings
OPPO
Apr 23, 2021
Request for interpreters during oral proceedings
OPPO
Apr 23, 2021
Withdrawal of a request for oral proceedings
OPPO
Apr 23, 2021
Written submission in preparation to/during oral proceedings
OPPO
Apr 23, 2021
Written submission in preparation to/during oral proceedings
OPPO
Mar 18, 2021
Brief communication - Opposition proceedings
OPPO
Mar 18, 2021
Brief communication - Opposition proceedings
OPPO
Mar 18, 2021
Communication of amended entries
OPPO
Feb 8, 2021
Notification concerning the date of oral proceedings
OPPO
Feb 8, 2021
Notification concerning the date of oral proceedings
OPPO
Feb 8, 2021
Notification concerning the date of oral proceedings
OPPO
Nov 10, 2020
Annexes in respect of a client data request
OPPO
Nov 10, 2020
Annexes in respect of a client data request
OPPO
Nov 10, 2020
Letter accompanying subsequently filed items
OPPO
Nov 10, 2020
Letter accompanying subsequently filed items
OPPO
Nov 10, 2020
Request for transfer of rights - opponent
OPPO
Nov 10, 2020
Request for transfer of rights - opponent
OPPO
Jul 15, 2020
Advice of delivery
OPPO
Jul 15, 2020
Advice of delivery
OPPO
Jul 14, 2020
Advice of delivery
OPPO
Jul 7, 2020
Acknowledgement of a document
OPPO
Jul 7, 2020
Acknowledgement of a document
OPPO
Jul 7, 2020
Acknowledgement of a document
OPPO
Jul 7, 2020
Annex to the communication - opposition
OPPO
Jul 7, 2020
Information concerning oral proceedings
OPPO
Jul 7, 2020
Information concerning oral proceedings
OPPO
Jul 7, 2020
Information concerning oral proceedings
OPPO
Jul 7, 2020
Summons to attend oral proceedings
OPPO
Jul 7, 2020
Summons to attend oral proceedings
OPPO
Jul 7, 2020
Summons to attend oral proceedings
OPPO
Mar 20, 2020
Brief communication - Opposition proceedings
OPPO
Mar 20, 2020
Brief communication - Opposition proceedings
OPPO
Mar 17, 2020
(Electronic) Receipt
OPPO
Mar 17, 2020
Letter accompanying subsequently filed items
OPPO
Mar 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Nov 7, 2019
Notice of further oppositions to opponent(s)
OPPO
Nov 7, 2019
Notice of further oppositions to opponent(s)
OPPO
Oct 29, 2019
Communication of a notice of opposition - first information to patent proprietor
OPPO
Oct 28, 2019
Communication of a notice of opposition - first information to patent proprietor
OPPO
Oct 24, 2019
Consolidated list of cited opposition documents
OPPO
Oct 23, 2019
(Electronic) Receipt
OPPO
Oct 23, 2019
(Electronic) Receipt
OPPO
Oct 23, 2019
Citation in opposition procedure - 001
OPPO
Oct 23, 2019
Citation in opposition procedure - 001
OPPO
Oct 23, 2019
Citation in opposition procedure - 002
OPPO
Oct 23, 2019
Citation in opposition procedure - 003
OPPO
Oct 23, 2019
Citation in opposition procedure - 004
OPPO
Oct 23, 2019
Citation in opposition procedure - 004
OPPO
Oct 23, 2019
Citation in opposition procedure - 005
OPPO
Oct 23, 2019
Citation in opposition procedure - 005
OPPO
Oct 23, 2019
Citation in opposition procedure - 006
OPPO
Oct 23, 2019
Citation in opposition procedure - 007
OPPO
Oct 23, 2019
Citation in opposition procedure - 008
OPPO
Oct 23, 2019
Citation in opposition procedure - 009
OPPO
Oct 23, 2019
Citation in opposition procedure - 010
OPPO
Oct 23, 2019
Notice of opposition
OPPO
Oct 23, 2019
Notice of opposition
OPPO
Oct 23, 2019
Notice of opposition
OPPO
Oct 23, 2019
Notice of opposition
OPPO
Oct 23, 2019
Patent document cited during the opposition procedure
OPPO
Jul 4, 2019
Communication of amended entries concerning the representative
Search/Exam
Jun 17, 2019
Invitation to give notice of appointment of a professional representative and to file an authorisation
OPPO
Jun 13, 2019
Communication confirming withdrawal from representation
OPPO
May 16, 2019
Submission concerning change of applicant's representative
OPPO
Apr 16, 2019
Confirmation of revocation of automatic debit order
OPPO
Apr 11, 2019
Letter relating to the automatic debiting procedure
OPPO
Mar 28, 2019
Submission concerning change of applicant's representative
OPPO
Feb 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Jan 7, 2019
Decision to grant a European patent
Search/Exam
Dec 4, 2018
(Electronic) Receipt
Search/Exam
Dec 4, 2018
Filing of the translations of the claims
Search/Exam
Dec 4, 2018
French translation of claims
Search/Exam
Dec 4, 2018
German translation of the claims
Search/Exam
Aug 31, 2018
Bibliographic data of the European patent application
Search/Exam
Aug 31, 2018
Communication about intention to grant a European patent
Search/Exam
Aug 31, 2018
Intention to grant (signatures)
Search/Exam
Aug 31, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 31, 2018
Text intended for grant (version for approval)
Search/Exam
Jun 27, 2018
Examination started
Search/Exam
Mar 1, 2018
(Electronic) Receipt
Search/Exam
Mar 1, 2018
Amended claims filed after receipt of (European) search report
Search/Exam
Mar 1, 2018
Amended claims with annotations
Search/Exam
Mar 1, 2018
Amended description filed after receipt of (European) search report
Search/Exam
Mar 1, 2018
Amended description filed after receipt of (European) search report
Search/Exam
Mar 1, 2018
Amendments received before examination
Search/Exam
Mar 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Search/Exam
Aug 9, 2017
Notification of forthcoming publication
Search/Exam
Jul 4, 2017
Communication regarding the transmission of the European search report
Search/Exam
Jul 4, 2017
European search opinion
Search/Exam
Jul 4, 2017
European search report
Search/Exam
Jul 4, 2017
Information on Search Strategy
Search/Exam
Jun 21, 2017
Search started
Search/Exam
May 18, 2017
Confirmation of receipt of (electronically) transmitted priority document
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
May 15, 2017
Communication to designated inventor
Search/Exam
Apr 24, 2017
Priority document (electronically transmitted)
Search/Exam
Mar 29, 2017
(Electronic) Receipt
Search/Exam
Mar 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2017
Letter concerning the priority
Search/Exam
Mar 28, 2017
Invitation to file a corrected declaration of priority/priority date lies more than one year before filing date
Search/Exam
Feb 22, 2017
Abstract
Search/Exam
Feb 22, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Search/Exam
Feb 22, 2017
Claims
Search/Exam
Feb 22, 2017
Description
Search/Exam
Feb 22, 2017
Designation of inventor
Search/Exam
Feb 22, 2017
Drawings
Search/Exam
Feb 22, 2017
Request for grant of a European patent
Search/Exam