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

Patent No. EP3214719 (titled "System And Method For Controlling Dc Link Voltage Of A Power Converter For Doubly-Fed Induction Generators") was filed by General Electric on Feb 22, 2017. The application was issued on Jan 23, 2019.

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

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