Power Inverter

Patent No. EP2023473 (titled "Power Inverter") was filed by Hitachi on Aug 11, 2008. The application was issued on Feb 13, 2019.

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	Nov 13, 2019	ARGYMA

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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May 6, 2024
Decision of the Board of Appeal
May 6, 2024
F3032 Notification(s) of the decision
May 6, 2024
F3032 Notification(s) of the decision
Feb 27, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 27, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 27, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 24, 2024
F3345 Forwarding of submissions to parties
Jan 23, 2024
(Electronic) Receipt
Jan 23, 2024
F3345 Forwarding of submissions to parties
Jan 23, 2024
Letter accompanying subsequently filed items
Jan 23, 2024
Letter dealing with oral proceedings during the appeal procedure
Jan 22, 2024
(Electronic) Receipt
Jan 22, 2024
Letter accompanying subsequently filed items
Jan 22, 2024
Letter dealing with oral proceedings during the appeal procedure
Jan 16, 2024
F3018 Oral proceedings: Confirmation interpreters
Jan 16, 2024
F3018 Oral proceedings: Confirmation interpreters
Jan 5, 2024
F3345 Forwarding of submissions to parties
Jan 4, 2024
(Electronic) Receipt
Jan 4, 2024
Letter accompanying subsequently filed items
Jan 4, 2024
Request for interpreters during oral proceedings
May 10, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 10, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 16, 2023
Advice of delivery
Mar 16, 2023
F3011.1 Oral Proceedings: summons
Mar 16, 2023
F3011.1 Oral Proceedings: summons
Mar 13, 2023
F3010 Oral proceedings: order for summons
Mar 8, 2023
Composition of the board (T)
Nov 29, 2021
F3345 Forwarding of submissions to parties
Nov 23, 2021
(Electronic) Receipt
Nov 23, 2021
Amended claims with annotations
Nov 23, 2021
Claims
Nov 23, 2021
Letter accompanying subsequently filed items
Nov 23, 2021
Reply to appeal
Jul 15, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 9, 2021
(Electronic) Receipt
Jul 9, 2021
Letter accompanying subsequently filed items
Jul 9, 2021
Statement of grounds of appeal
Jun 7, 2021
F3204 Communication of the file number to the parties
Jun 7, 2021
F3204 Communication of the file number to the parties
May 10, 2021
(Electronic) Receipt
May 10, 2021
Letter accompanying subsequently filed items
May 10, 2021
Notice of appeal
Mar 15, 2021
Advice of delivery
Mar 9, 2021
Annex to the communication - opposition
Mar 9, 2021
Decision of the Opposition Division and instruction
Mar 9, 2021
Decision rejecting the opposition
Mar 9, 2021
Grounds for the decision (Annex) - opposition
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Means of redress
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 9, 2021
Provision of a copy of the minutes - opposition procedure
Mar 9, 2021
Transmittal of decision / summons - opposition
Mar 9, 2021
Transmittal of decision / summons - opposition
Feb 5, 2021
Information about the result of oral proceedings
Jan 15, 2021
Brief communication - Opposition proceedings
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
Letter accompanying subsequently filed items
Jan 7, 2021
Written submission in preparation to/during oral proceedings
Dec 17, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
Notification concerning the date of oral proceedings
Dec 15, 2020
Notification concerning the date of oral proceedings
Dec 14, 2020
(Electronic) Receipt
Dec 14, 2020
Letter accompanying subsequently filed items
Dec 14, 2020
Request for interpreters during oral proceedings
Dec 11, 2020
Brief communication - Opposition proceedings
Dec 10, 2020
Brief communication - Opposition proceedings
Dec 7, 2020
Brief communication - Opposition proceedings
Dec 4, 2020
(Electronic) Receipt
Dec 4, 2020
Citation in opposition procedure - 002
Dec 4, 2020
Citation in opposition procedure - 011
Dec 4, 2020
Citation in opposition procedure - 012
Dec 4, 2020
Consolidated list of cited opposition documents
Dec 4, 2020
Letter accompanying subsequently filed items
Dec 4, 2020
Written submission in preparation to/during oral proceedings
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Auxiliary request during Opposition procedure
Dec 1, 2020
Auxiliary request during Opposition procedure - 01
Dec 1, 2020
Letter accompanying subsequently filed items
Dec 1, 2020
Main request during Opposition procedure
Dec 1, 2020
Written submission in preparation to/during oral proceedings
Jul 21, 2020
Advice of delivery
Jul 14, 2020
Advice of delivery
Jul 9, 2020
Acknowledgement of a document
Jul 9, 2020
Acknowledgement of a document
Jul 9, 2020
Annex to the communication - opposition
Jul 9, 2020
Information concerning oral proceedings
Jul 9, 2020
Summons to attend oral proceedings
Jul 9, 2020
Summons to attend oral proceedings
Apr 9, 2020
Any annexes (other than citation) to an opposition letter
Apr 9, 2020
Auxiliary request during Opposition procedure
Apr 9, 2020
Auxiliary request during Opposition procedure - 01
Apr 9, 2020
Brief communication - Opposition proceedings
Apr 9, 2020
Main request during Opposition procedure
Apr 9, 2020
Main request during Opposition procedure
Apr 9, 2020
Reply of the patent proprietor to the notice(s) of opposition
Apr 6, 2020
Any annexes (other than citation) to an opposition letter
Apr 6, 2020
Auxiliary request during Opposition procedure
Apr 6, 2020
Auxiliary request during Opposition procedure - 01
Apr 6, 2020
Main request during Opposition procedure
Apr 6, 2020
Main request during Opposition procedure
Apr 6, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 23, 2020
Brief communication - Opposition proceedings
Mar 23, 2020
Communication of amended entries
Mar 16, 2020
Annexes in respect of a client data request
Mar 16, 2020
Request concerning representative opponent
Nov 27, 2019
Communication of a notice of opposition and request to file observations
Nov 27, 2019
Notice of further oppositions to opponent(s)
Nov 19, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
Citation in opposition procedure - 001
Nov 13, 2019
Citation in opposition procedure - 002
Nov 13, 2019
Citation in opposition procedure - 003
Nov 13, 2019
Citation in opposition procedure - 004
Nov 13, 2019
Citation in opposition procedure - 005
Nov 13, 2019
Citation in opposition procedure - 006
Nov 13, 2019
Citation in opposition procedure - 007
Nov 13, 2019
Citation in opposition procedure - 008
Nov 13, 2019
Citation in opposition procedure - 009
Nov 13, 2019
Citation in opposition procedure - 010
Nov 13, 2019
Citation in opposition procedure - 010
Nov 13, 2019
Letter accompanying subsequently filed items
Nov 13, 2019
Letter accompanying subsequently filed items
Nov 13, 2019
Notice of opposition
Nov 13, 2019
Notice of opposition
Feb 25, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 12, 2019
Rectification of the designation of the inventor under Rule 21 EPC
Feb 8, 2019
Letter concerning the inventor
Feb 6, 2019
Letter concerning the inventor
Jan 17, 2019
Decision to grant a European patent
Dec 21, 2018
Filing of the translations of the claims
Dec 21, 2018
French translation of claims
Dec 21, 2018
German translation of the claims
Dec 18, 2018
Filing of the translations of the claims
Dec 18, 2018
French translation of claims
Dec 18, 2018
German translation of the claims
Aug 8, 2018
Bibliographic data of the European patent application
Aug 8, 2018
Communication about intention to grant a European patent
Aug 8, 2018
Intention to grant (signatures)
Aug 8, 2018
Text intended for grant (clean copy)
Aug 8, 2018
Text intended for grant (version for approval)
Jul 9, 2018
Examination started
Nov 24, 2016
Final instructions (loss of partial rights)
Aug 5, 2016
Designation deemed to be withdrawn (non payment of designation fees)
Jun 10, 2016
Amended claims filed after receipt of (European) search report
Jun 10, 2016
Amended claims with annotations
Jun 10, 2016
Amended description filed after receipt of (European) search report
Jun 10, 2016
Amended description with annotations
Jun 10, 2016
Amendments received before examination
Jun 9, 2016
Amended claims filed after receipt of (European) search report
Jun 9, 2016
Amended claims with annotations
Jun 9, 2016
Amended description filed after receipt of (European) search report
Jun 9, 2016
Amended description with annotations
Jun 9, 2016
Amendments received before examination
Feb 16, 2016
CDS Clean up - amended applicant details
Jan 7, 2016
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 26, 2015
Communication regarding the transmission of the European search report
Nov 26, 2015
European search opinion
Nov 26, 2015
European search report
Nov 26, 2015
Information on Search Strategy
Nov 3, 2015
Submission concerning representation
Oct 26, 2015
Search started
Jun 22, 2015
Communication of expected date of establishment of search report
Jun 19, 2015
Enquiry as to when the search report can be expected
Jun 17, 2015
Enquiry as to when the search report can be expected
Oct 29, 2010
EPO/applicant correspondence crossed
Oct 8, 2010
Letter relating to the automatic debiting procedure
Oct 7, 2010
Letter relating to the automatic debiting procedure
Oct 5, 2010
Notice drawing attention to the payment of the renewal fee and additional fee
Jun 23, 2009
Communication for party to proceedings/third party
Jun 5, 2009
Matter concerning the application
May 13, 2009
Communication confirming withdrawal from representation
May 13, 2009
Communication of amended entries concerning the representative
May 6, 2009
Confirmation of revocation of automatic debit order
Apr 30, 2009
Request for change of representative
Apr 29, 2009
Letter relating to the automatic debiting procedure
Apr 22, 2009
Submission concerning change of applicant's representative
Jan 14, 2009
Notification of forthcoming publication
Dec 12, 2008
Modified abstract
Oct 21, 2008
Confirmation of receipt of (electronically) transmitted priority document
Oct 14, 2008
Priority document (electronically transmitted)
Aug 11, 2008
Abstract
Aug 11, 2008
Claims
Aug 11, 2008
Description
Aug 11, 2008
Designation of inventor
Aug 11, 2008
Drawings
Aug 11, 2008
Request for grant of a European patent

EP2023473

HITACHI

Application Number: EP08014295A
Filing Date: Aug 11, 2008
Status: Opposition Rejected; May 10, 2024
Publication Date: Feb 13, 2019
External Links: Slate, Register , Google Patents

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Power Inverter

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Dossier Documents

EP2023473