Power Semiconductor Module And Its Attachment Structure

Patent No. EP2500939 (titled "Power Semiconductor Module And Its Attachment Structure") was filed by Mitsubishi Electric on Aug 10, 2011. The application was issued on May 7, 2025.

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 SYSTEMES DE CONTROLE MOTEUR	Sep 25, 2019	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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Apr 10, 2025
Decision to maintain the European patent in amended form
Apr 10, 2025
Decision to maintain the European patent in amended form
Apr 2, 2025
(Electronic) Receipt
Apr 2, 2025
Clean copy of claims in the opposition procedure
Apr 2, 2025
Filing of the translation of the amended claims
Apr 2, 2025
French translation of claims
Apr 2, 2025
German translation of the claims
Apr 2, 2025
Letter accompanying subsequently filed items
Jan 24, 2025
Communication to opponent concerning maintenance
Jan 24, 2025
Communication with request to file translations
Jan 24, 2025
OPPODREX with handwritten amendments
Jan 21, 2025
Maintenance of the patent with the documents specified in the final decision
Jan 14, 2025
Decision of the Board of Appeal
Jan 14, 2025
F3032 Notification(s) of the decision
Jan 14, 2025
F3032 Notification(s) of the decision
Dec 18, 2024
F3004 Communication of the Registry
Dec 18, 2024
F3004 Communication of the Registry
Oct 30, 2024
Amended claims with annotations
Oct 30, 2024
Amended claims with annotations
Oct 30, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 30, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 30, 2024
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Oct 21, 2024
F3345 Forwarding of submissions to parties
Oct 18, 2024
(Electronic) Receipt
Oct 18, 2024
Amended claims with annotations
Oct 18, 2024
Claims
Oct 18, 2024
Letter accompanying subsequently filed items
Oct 18, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 13, 2024
F3018 Oral proceedings: Confirmation interpreters
Sep 13, 2024
F3018 Oral proceedings: Confirmation interpreters
May 22, 2024
F3345 Forwarding of submissions to parties
May 21, 2024
(Electronic) Receipt
May 21, 2024
Letter accompanying subsequently filed items
May 21, 2024
Request for interpreters during oral proceedings
Mar 1, 2024
F3011.1 Oral Proceedings: summons
Mar 1, 2024
F3011.1 Oral Proceedings: summons
Feb 28, 2024
F3010 Oral proceedings: order for summons
Feb 27, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 27, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 27, 2024
F3345 Forwarding of submissions to parties
Feb 26, 2024
(Electronic) Receipt
Feb 26, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Feb 26, 2024
Letter accompanying subsequently filed items
Feb 26, 2024
Oral proceedings: Request for postponement
Feb 13, 2024
F3345 Forwarding of submissions to parties
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Cited document during appeal procedure
Feb 9, 2024
Cited document during appeal procedure
Feb 9, 2024
Letter accompanying subsequently filed items
Feb 9, 2024
Letter dealing with oral proceedings during the appeal procedure
Jan 23, 2024
F3018 Oral proceedings: Confirmation interpreters
Jan 23, 2024
F3018 Oral proceedings: Confirmation interpreters
Jan 12, 2024
F3345 Forwarding of submissions to parties
Jan 9, 2024
(Electronic) Receipt
Jan 9, 2024
Letter accompanying subsequently filed items
Jan 9, 2024
Request for interpreters during oral proceedings
Nov 21, 2023
F3345 Forwarding of submissions to parties
Nov 20, 2023
(Electronic) Receipt
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Cited document during appeal procedure
Nov 20, 2023
Claims
Nov 20, 2023
Letter accompanying subsequently filed items
Nov 20, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
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)
Mar 10, 2022
F3345 Forwarding of submissions to parties
Mar 7, 2022
(Electronic) Receipt
Mar 7, 2022
Letter accompanying subsequently filed items
Mar 7, 2022
Letter relating to Appeal Procedure
Jan 10, 2022
F3345 Forwarding of submissions to parties
Dec 23, 2021
(Electronic) Receipt
Dec 23, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
Reply to appeal
Dec 23, 2021
Reply to appeal
Dec 15, 2021
Letter accompanying subsequently filed items
Dec 15, 2021
Request concerning representative opponent
Nov 16, 2021
(Electronic) Receipt
Nov 16, 2021
F3345 Forwarding of submissions to parties
Nov 16, 2021
Letter accompanying subsequently filed items
Nov 16, 2021
Reply to appeal
Aug 18, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 18, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 16, 2021
Communication of amended entries in the Register of European Patents
Aug 16, 2021
F3345 Forwarding of submissions to parties
Aug 12, 2021
(Electronic) Receipt
Aug 12, 2021
Letter accompanying subsequently filed items
Aug 12, 2021
Statement of grounds of appeal
Aug 12, 2021
Statement of grounds of appeal
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Request for change of opponent's representative
Aug 2, 2021
(Electronic) Receipt
Aug 2, 2021
Letter accompanying subsequently filed items
Aug 2, 2021
Statement of grounds of appeal
Jun 17, 2021
F3204 Communication of the file number to the parties
Jun 17, 2021
F3204 Communication of the file number to the parties
Jun 15, 2021
F3204 Communication of the file number to the parties
Jun 15, 2021
F3204 Communication of the file number to the parties
Jun 11, 2021
(Electronic) Receipt
Jun 11, 2021
Letter accompanying subsequently filed items
Jun 11, 2021
Notice of appeal
Jun 9, 2021
(Electronic) Receipt
Jun 9, 2021
Letter accompanying subsequently filed items
Jun 9, 2021
Notice of appeal
May 11, 2021
(Electronic) Receipt
May 11, 2021
Advice of delivery
May 11, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
Advice of delivery
Apr 19, 2021
Annex to the communication - opposition
Apr 19, 2021
Decision of the Opposition Division and instruction
Apr 19, 2021
Druckexemplar in opposition procedure
Apr 19, 2021
Grounds for the decision (Annex) - opposition
Apr 19, 2021
Interlocutory decision in opposition proceedings
Apr 19, 2021
Interlocutory decision in opposition proceedings
Apr 19, 2021
Internal form - Opposition/addressees
Apr 19, 2021
Internal form - Opposition/addressees
Apr 19, 2021
Means of redress
Apr 19, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 19, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 19, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 19, 2021
Provision of a copy of the minutes - opposition procedure
Apr 19, 2021
Provision of a copy of the minutes - opposition procedure
Apr 19, 2021
Scanned annex to a communication - opposition procedure
Apr 19, 2021
Scanned annex to a communication - opposition procedure
Apr 19, 2021
Scanned annex to a communication - opposition procedure
Apr 19, 2021
Transmittal of decision / summons - opposition
Apr 19, 2021
Transmittal of decision / summons - opposition
Mar 9, 2021
Information about the result of oral proceedings
Mar 5, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
(Electronic) Receipt
Mar 4, 2021
Auxiliary request during Opposition procedure
Mar 4, 2021
Auxiliary request during Opposition procedure
Mar 4, 2021
Auxiliary request during Opposition procedure
Mar 4, 2021
Auxiliary request during Opposition procedure
Mar 4, 2021
Auxiliary request during Opposition procedure
Mar 4, 2021
Auxiliary request during Opposition procedure - 03
Mar 4, 2021
Auxiliary request during Opposition procedure - 05
Mar 4, 2021
Auxiliary request during Opposition procedure - 07
Mar 4, 2021
Auxiliary request during Opposition procedure - 08
Mar 4, 2021
Auxiliary request during Opposition procedure - 09
Mar 4, 2021
Letter accompanying subsequently filed items
Mar 4, 2021
Written submission in preparation to/during oral proceedings
Feb 10, 2021
Brief communication - Opposition proceedings
Feb 3, 2021
(Electronic) Receipt
Feb 3, 2021
Letter accompanying subsequently filed items
Feb 3, 2021
Written submission in preparation to/during oral proceedings
Jan 13, 2021
Brief communication - Opposition proceedings
Jan 13, 2021
Notification concerning the date of oral proceedings
Jan 4, 2021
(Electronic) Receipt
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure
Jan 4, 2021
Auxiliary request during Opposition procedure - 03
Jan 4, 2021
Auxiliary request during Opposition procedure - 04
Jan 4, 2021
Auxiliary request during Opposition procedure - 05
Jan 4, 2021
Auxiliary request during Opposition procedure - 07
Jan 4, 2021
Auxiliary request during Opposition procedure - 08
Jan 4, 2021
Auxiliary request during Opposition procedure - 09
Jan 4, 2021
Letter accompanying subsequently filed items
Jan 4, 2021
Written submission in preparation to/during oral proceedings
Sep 9, 2020
Advice of delivery
Sep 7, 2020
Advice of delivery
Sep 2, 2020
Annex to the communication - opposition
Sep 2, 2020
Summons to attend oral proceedings
Sep 2, 2020
Summons to attend oral proceedings
Jul 29, 2020
Brief communication - Opposition proceedings
Jul 21, 2020
(Electronic) Receipt
Jul 21, 2020
Auxiliary request during Opposition procedure
Jul 21, 2020
Auxiliary request during Opposition procedure
Jul 21, 2020
Auxiliary request during Opposition procedure
Jul 21, 2020
Auxiliary request during Opposition procedure - 04
Jul 21, 2020
Auxiliary request during Opposition procedure - 05
Jul 21, 2020
Auxiliary request during Opposition procedure - 06
Jul 21, 2020
Letter accompanying subsequently filed items
Jul 21, 2020
Reply of the patent proprietor to the notice(s) of opposition
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 8, 2020
Consolidated list of cited opposition documents
Apr 2, 2020
(Electronic) Receipt
Apr 2, 2020
Citation in opposition procedure - 022
Apr 2, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Letter regarding the opposition procedure (no time limit)
Feb 25, 2020
Brief communication - Opposition proceedings
Feb 18, 2020
(Electronic) Receipt
Feb 18, 2020
Auxiliary request during Opposition procedure
Feb 18, 2020
Auxiliary request during Opposition procedure
Feb 18, 2020
Auxiliary request during Opposition procedure
Feb 18, 2020
Auxiliary request during Opposition procedure - 01
Feb 18, 2020
Auxiliary request during Opposition procedure - 02
Feb 18, 2020
Auxiliary request during Opposition procedure - 03
Feb 18, 2020
Letter accompanying subsequently filed items
Feb 18, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 24, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
(Electronic) Receipt
Oct 17, 2019
Letter accompanying subsequently filed items
Oct 17, 2019
Letter regarding the opposition procedure (no time limit)
Oct 11, 2019
Communication of a notice of opposition and request to file observations
Oct 11, 2019
Notice of further oppositions to opponent(s)
Oct 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Citation in opposition procedure - 001
Sep 25, 2019
Citation in opposition procedure - 002
Sep 25, 2019
Citation in opposition procedure - 003
Sep 25, 2019
Citation in opposition procedure - 004
Sep 25, 2019
Citation in opposition procedure - 005
Sep 25, 2019
Citation in opposition procedure - 006
Sep 25, 2019
Citation in opposition procedure - 007
Sep 25, 2019
Citation in opposition procedure - 008
Sep 25, 2019
Citation in opposition procedure - 009
Sep 25, 2019
Citation in opposition procedure - 010
Sep 25, 2019
Citation in opposition procedure - 011
Sep 25, 2019
Citation in opposition procedure - 012
Sep 25, 2019
Citation in opposition procedure - 012
Sep 25, 2019
Citation in opposition procedure - 013
Sep 25, 2019
Citation in opposition procedure - 014
Sep 25, 2019
Citation in opposition procedure - 015
Sep 25, 2019
Citation in opposition procedure - 015
Sep 25, 2019
Citation in opposition procedure - 016
Sep 25, 2019
Citation in opposition procedure - 016
Sep 25, 2019
Citation in opposition procedure - 017
Sep 25, 2019
Citation in opposition procedure - 018
Sep 25, 2019
Citation in opposition procedure - 019
Sep 25, 2019
Citation in opposition procedure - 020
Sep 25, 2019
Citation in opposition procedure - 021
Sep 25, 2019
Notice of opposition
Sep 25, 2019
Notice of opposition
Sep 25, 2019
Notice of opposition
Jan 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 29, 2018
Decision to grant a European patent
Nov 8, 2018
(Electronic) Receipt
Nov 8, 2018
Filing of the translations of the claims
Nov 8, 2018
French translation of claims
Nov 8, 2018
German translation of the claims
Nov 8, 2018
Letter accompanying subsequently filed items
Jul 10, 2018
Bibliographic data of the European patent application
Jul 10, 2018
Communication about intention to grant a European patent
Jul 10, 2018
Intention to grant (signatures)
Jul 10, 2018
Text intended for grant (clean copy)
Jul 10, 2018
Text intended for grant (version for approval)
Aug 4, 2017
(Electronic) Receipt
Aug 4, 2017
Amended claims with annotations
Aug 4, 2017
Amended description with annotations
Aug 4, 2017
Claims
Aug 4, 2017
Description
Aug 4, 2017
Letter accompanying subsequently filed items
Aug 4, 2017
Reply to communication from the Examining Division
Apr 5, 2017
Annex to the communication
Apr 5, 2017
Communication from the Examining Division
Sep 26, 2014
Submission concerning representation
Jul 4, 2014
Amended claims with annotations
Jul 4, 2014
Amended description with annotations
Jul 4, 2014
Claims
Jul 4, 2014
Description
Jul 4, 2014
Reply to communication from the Examining Division
Mar 27, 2014
Annex to the communication
Mar 27, 2014
Communication from the Examining Division
Mar 19, 2014
Examination started
Oct 8, 2013
Amended claims filed after receipt of (European) search report
Oct 8, 2013
Amended claims with annotations
Oct 8, 2013
Amendments received before examination
May 21, 2013
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 12, 2013
Communication regarding the transmission of the European search report
Apr 12, 2013
European search opinion
Apr 12, 2013
European search report
Aug 22, 2012
Notification of forthcoming publication
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
Oct 19, 2011
Confirmation of receipt of (electronically) transmitted priority document
Oct 12, 2011
Priority document (electronically transmitted)
Aug 10, 2011
Abstract
Aug 10, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 10, 2011
Claims
Aug 10, 2011
Description
Aug 10, 2011
Designation of inventor
Aug 10, 2011
Designation of inventor
Aug 10, 2011
Designation of inventor
Aug 10, 2011
Designation of inventor
Aug 10, 2011
Drawings
Aug 10, 2011
Request for grant of a European patent

EP2500939

MITSUBISHI ELECTRIC

Application Number: EP11177061A
Filing Date: Aug 10, 2011
Status: Patent Maintained As Amended; Apr 4, 2025
Publication Date: May 7, 2025
External Links: Slate, Register , Google Patents

IP Verse

Power Semiconductor Module And Its Attachment Structure

Patent Summary

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Patent Oppositions

Dossier Documents

EP2500939