Electric Power Converter

Patent No. EP2605392 (titled "Electric Power Converter") was filed by Hitachi on Jul 23, 2007. The application was issued on Nov 15, 2017.

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
VALEO SIEMENS EAUTOMOTIVE FRANCE	Aug 16, 2018	ARGYMA
VALEO SIEMENS EAUTOMOTIVE FRANCE	Aug 16, 2018	VALEO POWERTRAIN SYSTEMS

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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Dec 3, 2025
Communication of bibliographic data
Dec 3, 2025
Communication to opponent concerning maintenance
Dec 3, 2025
Communication with request to file translations
Nov 28, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 27, 2025
Decision of the Board of Appeal
Nov 27, 2025
F3032 Notification(s) of the decision
Nov 27, 2025
F3032 Notification(s) of the decision
Oct 1, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 1, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 30, 2025
F3014 Oral Proceedings: Order cancelling/postponing
May 14, 2025
F3345 Forwarding of submissions to parties
May 13, 2025
(Electronic) Receipt
May 13, 2025
Letter accompanying subsequently filed items
May 13, 2025
Letter dealing with oral proceedings during the appeal procedure
May 12, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 12, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 8, 2025
F3345 Forwarding of submissions to parties
May 6, 2025
(Electronic) Receipt
May 6, 2025
Letter accompanying subsequently filed items
May 6, 2025
Letter dealing with oral proceedings during the appeal procedure
May 2, 2025
Communication of amended entries in the Register of European Patents
May 2, 2025
Communication of amended entries in the Register of European Patents
May 2, 2025
F3345 Forwarding of submissions to parties
May 2, 2025
F3345 Forwarding of submissions to parties
Apr 18, 2025
(Electronic) Receipt
Apr 18, 2025
Letter accompanying subsequently filed items
Apr 18, 2025
Request for change of opponent's representative
Apr 16, 2025
F3004 Communication of the Registry
Apr 16, 2025
F3004 Communication of the Registry
Apr 16, 2025
F3004 Communication of the Registry
Apr 16, 2025
F3345 Forwarding of submissions to parties
Apr 16, 2025
F3345 Forwarding of submissions to parties
Mar 7, 2025
(Electronic) Receipt
Mar 7, 2025
Letter accompanying subsequently filed items
Mar 7, 2025
Request for change of opponent's representative
Jan 2, 2025
F3345 Forwarding of submissions to parties
Dec 20, 2024
(Electronic) Receipt
Dec 20, 2024
Letter accompanying subsequently filed items
Dec 20, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 17, 2024
Letter relating to the revocation of the automatic debiting procedure
Nov 20, 2024
F3011.2 Oral Proceedings: Summons VICO
Nov 20, 2024
F3011.2 Oral Proceedings: Summons VICO
Nov 18, 2024
F3010 Oral proceedings: order for summons
Apr 25, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 25, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 24, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Apr 23, 2024
F3018 Oral proceedings: Confirmation interpreters
Apr 23, 2024
F3018 Oral proceedings: Confirmation interpreters
Apr 9, 2024
F3345 Forwarding of submissions to parties
Apr 9, 2024
Oral proceedings: change of venue
Apr 9, 2024
Oral proceedings: change of venue
Apr 8, 2024
(Electronic) Receipt
Apr 8, 2024
Letter accompanying subsequently filed items
Apr 8, 2024
Request for interpreters during oral proceedings
Jan 11, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 11, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 20, 2023
F3011.1 Oral Proceedings: summons
Jul 20, 2023
F3011.1 Oral Proceedings: summons
Jul 17, 2023
Composition of the board (T)
Jul 17, 2023
F3010 Oral proceedings: order for summons
Oct 9, 2020
Amended claims with annotations
Oct 9, 2020
Claims
Oct 9, 2020
F3345 Forwarding of submissions to parties
Oct 9, 2020
Reply to appeal
Oct 2, 2020
Amended claims with annotations
Oct 2, 2020
Claims
Oct 2, 2020
Reply to appeal
May 29, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 25, 2020
(Electronic) Receipt
May 25, 2020
Letter accompanying subsequently filed items
May 25, 2020
Statement of grounds of appeal
Apr 3, 2020
F3204 Communication of the file number to the parties
Apr 3, 2020
F3204 Communication of the file number to the parties
Mar 24, 2020
(Electronic) Receipt
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 24, 2020
Communication of amended entries
Mar 24, 2020
Letter accompanying subsequently filed items
Mar 24, 2020
Notice of appeal
Mar 16, 2020
Annexes in respect of a client data request
Mar 16, 2020
Request concerning representative opponent
Jan 27, 2020
Advice of delivery
Jan 17, 2020
Advice of delivery
Jan 15, 2020
Acknowledgement of a document
Jan 15, 2020
Acknowledgement of a document
Jan 15, 2020
Annex to the communication - opposition
Jan 15, 2020
Decision of the Opposition Division and instruction
Jan 15, 2020
Grounds for the decision (Annex) - opposition
Jan 15, 2020
Interlocutory decision in opposition proceedings
Jan 15, 2020
Internal form - Opposition/addressees
Jan 15, 2020
Internal form - Opposition/addressees
Jan 15, 2020
Means of redress
Jan 15, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 15, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 15, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 15, 2020
OPPODREX with handwritten amendments
Jan 15, 2020
Provision of a copy of the minutes - opposition procedure
Jan 15, 2020
Scanned annex to a communication - opposition procedure
Nov 20, 2019
Claims
Nov 20, 2019
Description
Nov 20, 2019
Information about the result of oral proceedings
Oct 10, 2019
Brief communication - Opposition proceedings
Oct 7, 2019
(Electronic) Receipt
Oct 7, 2019
Letter accompanying subsequently filed items
Oct 7, 2019
Request for interpreters during oral proceedings
Oct 4, 2019
Request for interpreters during oral proceedings
Oct 1, 2019
Request for interpreters during oral proceedings
Sep 26, 2019
Brief communication - Opposition proceedings
Sep 26, 2019
Brief communication - Opposition proceedings
Sep 25, 2019
Brief communication - Opposition proceedings
Sep 25, 2019
Brief communication - Opposition proceedings
Sep 20, 2019
(Electronic) Receipt
Sep 20, 2019
Amended claims with annotations
Sep 20, 2019
Amended claims with annotations
Sep 20, 2019
Amended claims with annotations
Sep 20, 2019
Claims
Sep 20, 2019
Claims
Sep 20, 2019
Claims
Sep 20, 2019
Letter accompanying subsequently filed items
Sep 20, 2019
Patent document cited during the opposition procedure
Sep 20, 2019
Patent document cited during the opposition procedure
Sep 20, 2019
Patent document cited during the opposition procedure
Sep 20, 2019
Patent document cited during the opposition procedure
Sep 20, 2019
Patent document cited during the opposition procedure
Sep 20, 2019
Translation of the evidence during Opposition procedure
Sep 20, 2019
Translation of the evidence during Opposition procedure
Sep 20, 2019
Translation of the evidence during Opposition procedure
Sep 20, 2019
Translation of the evidence during Opposition procedure
Sep 20, 2019
Written submission in preparation to/during oral proceedings
Sep 20, 2019
Written submission in preparation to/during oral proceedings
Sep 19, 2019
Amended claims with annotations
Sep 19, 2019
Amended claims with annotations
Sep 19, 2019
Amended claims with annotations
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Written submission in preparation to/during oral proceedings
Sep 19, 2019
Written submission in preparation to/during oral proceedings
Sep 19, 2019
Written submission in preparation to/during oral proceedings
Sep 18, 2019
Brief communication - Opposition proceedings
Sep 18, 2019
Brief communication - Opposition proceedings
May 16, 2019
Brief communication - Opposition proceedings
May 13, 2019
(Electronic) Receipt
May 13, 2019
Letter accompanying subsequently filed items
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Translation of the evidence during Opposition procedure
May 13, 2019
Written submission in preparation to/during oral proceedings
Apr 4, 2019
Advice of delivery
Mar 14, 2019
Brief communication - Opposition proceedings
Mar 14, 2019
Request for documents
Mar 4, 2019
Advice of delivery
Feb 27, 2019
Advice of delivery
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Annex to the communication - opposition
Feb 25, 2019
Information concerning oral proceedings
Feb 25, 2019
Scanned annex to a communication - opposition procedure
Feb 25, 2019
Scanned annex to a communication - opposition procedure
Feb 25, 2019
Summons to attend oral proceedings
Feb 25, 2019
Summons to attend oral proceedings
Jan 22, 2019
Brief communication - Opposition proceedings
Jan 11, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 7, 2019
Reply of the patent proprietor to the notice(s) of opposition
Aug 29, 2018
Communication of a notice of opposition and request to file observations
Aug 29, 2018
Notice of further oppositions to opponent(s)
Aug 22, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 16, 2018
(Electronic) Receipt
Aug 16, 2018
Notice of opposition
Aug 16, 2018
Notice of opposition
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Aug 16, 2018
Patent document cited during the opposition procedure
Nov 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 19, 2017
Decision to grant a European patent
Oct 6, 2017
Filing of the translations of the claims
Oct 6, 2017
French translation of claims
Oct 6, 2017
German translation of the claims
Oct 5, 2017
Filing of the translations of the claims
Oct 5, 2017
French translation of claims
Oct 5, 2017
German translation of the claims
May 26, 2017
Bibliographic data of the European patent application
May 26, 2017
Communication about intention to grant a European patent
May 26, 2017
Intention to grant (signatures)
May 26, 2017
Text intended for grant (clean copy)
May 26, 2017
Text intended for grant (version for approval)
Feb 24, 2017
Amended claims with annotations
Feb 24, 2017
Amended description with annotations
Feb 24, 2017
Claims
Feb 24, 2017
Description
Feb 24, 2017
Reply to communication from the Examining Division
Feb 21, 2017
Amended claims with annotations
Feb 21, 2017
Amended description with annotations
Feb 21, 2017
Claims
Feb 21, 2017
Description
Feb 21, 2017
Reply to communication from the Examining Division
Oct 20, 2016
Annex to the communication
Oct 20, 2016
Communication from the Examining Division
Oct 6, 2016
Examination started
Jul 8, 2016
Amended claims filed after receipt of (European) search report
Jul 8, 2016
Amended claims with annotations
Jul 8, 2016
Amended description filed after receipt of (European) search report
Jul 8, 2016
Amended description with annotations
Jul 8, 2016
Amendments received before examination
Jul 5, 2016
Amended claims filed after receipt of (European) search report
Jul 5, 2016
Amended claims with annotations
Jul 5, 2016
Amended description filed after receipt of (European) search report
Jul 5, 2016
Amended description with annotations
Jul 5, 2016
Amendments received before examination
Feb 16, 2016
CDS Clean up - amended applicant details
Jan 11, 2016
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 4, 2015
Communication regarding the transmission of the European search report
Dec 4, 2015
European search opinion
Dec 4, 2015
European search report
Dec 4, 2015
Information on Search Strategy
Nov 19, 2015
Search started
Nov 3, 2015
Submission concerning representation
May 24, 2013
Communication to designated inventor
May 24, 2013
Communication to designated inventor
May 24, 2013
Communication to designated inventor
May 23, 2013
Notification of forthcoming publication
Mar 22, 2013
Letter concerning the inventor
Mar 20, 2013
Letter concerning the inventor
Mar 15, 2013
Payment of fees and costs
Mar 1, 2013
Abstract
Mar 1, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 1, 2013
Claims
Mar 1, 2013
Description
Mar 1, 2013
Designation of inventor
Mar 1, 2013
Designation of inventor
Mar 1, 2013
Designation of inventor
Mar 1, 2013
Drawings
Mar 1, 2013
Request for grant of a European patent
Aug 9, 2007
Priority document (electronically transmitted)

EP2605392

HITACHI

Application Number: EP13157442A
Filing Date: Jul 23, 2007
Status: Granted And Under Opposition; Oct 13, 2017
Publication Date: Nov 15, 2017
External Links: Slate, Register , Google Patents

IP Verse

Electric Power Converter

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2605392