Power Semiconductor Module

Patent No. EP2674973 (titled "Power Semiconductor Module") was filed by Mitsubishi Electric on Feb 9, 2011. The application was issued on Dec 11, 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
BOVARD	Sep 10, 2020	BOVARD

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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Nov 7, 2025
Brief communication - Opposition proceedings
Nov 4, 2025
(Electronic) Receipt
Nov 4, 2025
Amended description with annotations
Nov 4, 2025
Description
Nov 4, 2025
Letter accompanying subsequently filed items
Nov 4, 2025
Reply to an examination report in opposition proceedings
Sep 19, 2025
Annex to the communication - opposition
Sep 19, 2025
Brief communication - Opposition proceedings
Sep 19, 2025
Brief communication - Opposition proceedings
Sep 19, 2025
Communication inviting the parties to file observations
Sep 19, 2025
Communication inviting the parties to file observations
Jun 6, 2025
Decision of the Board of Appeal
Jun 6, 2025
F3032 Notification(s) of the decision
Jun 6, 2025
F3032 Notification(s) of the decision
May 21, 2025
F3013 Oral Proceedings: Forwarding minutes
May 21, 2025
F3013 Oral Proceedings: Forwarding minutes
May 21, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 9, 2025
F3345 Forwarding of submissions to parties
Apr 8, 2025
(Electronic) Receipt
Apr 8, 2025
Letter accompanying subsequently filed items
Apr 8, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 20, 2025
F3345 Forwarding of submissions to parties
Feb 19, 2025
(Electronic) Receipt
Feb 19, 2025
Letter accompanying subsequently filed items
Feb 19, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 4, 2024
F3011.1 Oral Proceedings: summons
Jul 4, 2024
F3011.1 Oral Proceedings: summons
Jul 1, 2024
F3010 Oral proceedings: order for summons
Jun 25, 2024
Composition of the board (T)
May 10, 2024
F3345 Forwarding of submissions to parties
May 8, 2024
(Electronic) Receipt
May 8, 2024
Letter accompanying subsequently filed items
May 8, 2024
Letter relating to Appeal Procedure
Apr 4, 2024
F3345 Forwarding of submissions to parties
Apr 3, 2024
(Electronic) Receipt
Apr 3, 2024
Letter accompanying subsequently filed items
Apr 3, 2024
Letter relating to Appeal Procedure
Nov 23, 2023
F3345 Forwarding of submissions to parties
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Letter relating to Appeal Procedure
Sep 26, 2023
F3345 Forwarding of submissions to parties
Sep 25, 2023
(Electronic) Receipt
Sep 25, 2023
Letter accompanying subsequently filed items
Sep 25, 2023
Letter relating to Appeal Procedure
Jun 6, 2023
F3345 Forwarding of submissions to parties
Jun 5, 2023
(Electronic) Receipt
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Amended claims with annotations
Jun 5, 2023
Auxiliary request during appeals procedure - 01
Jun 5, 2023
Auxiliary request during appeals procedure - 02
Jun 5, 2023
Auxiliary request during appeals procedure - 03
Jun 5, 2023
Auxiliary request during appeals procedure - 04
Jun 5, 2023
Auxiliary request during appeals procedure - 05
Jun 5, 2023
Auxiliary request during appeals procedure - 06
Jun 5, 2023
Auxiliary request during appeals procedure - 07
Jun 5, 2023
Auxiliary request during appeals procedure - 08
Jun 5, 2023
Auxiliary request during appeals procedure - 09
Jun 5, 2023
Auxiliary request during appeals procedure - 10
Jun 5, 2023
Auxiliary request during appeals procedure - 11
Jun 5, 2023
Auxiliary request during appeals procedure - 12
Jun 5, 2023
Auxiliary request during appeals procedure - 13
Jun 5, 2023
Auxiliary request during appeals procedure - 14
Jun 5, 2023
Auxiliary request during appeals procedure - 15
Jun 5, 2023
Auxiliary request during appeals procedure - 16
Jun 5, 2023
Cited document during appeal procedure
Jun 5, 2023
Letter accompanying subsequently filed items
Jun 5, 2023
Reply to appeal
Feb 16, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Annexes (other than cited documents) regarding appeal procedure
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Statement of grounds of appeal
Dec 21, 2022
F3345 Forwarding of submissions to parties
Dec 16, 2022
(Electronic) Receipt
Dec 16, 2022
Letter accompanying subsequently filed items
Dec 16, 2022
Letter relating to Appeal Procedure
Dec 15, 2022
F3204 Communication of the file number to the parties
Dec 15, 2022
F3204 Communication of the file number to the parties
Dec 9, 2022
(Electronic) Receipt
Dec 9, 2022
Letter accompanying subsequently filed items
Dec 9, 2022
Notice of appeal
Oct 4, 2022
Advice of delivery
Oct 4, 2022
Advice of delivery
Sep 30, 2022
Annex to the communication - opposition
Sep 30, 2022
Decision of the Opposition Division and instruction
Sep 30, 2022
Decision rejecting the opposition
Sep 30, 2022
Decision rejecting the opposition
Sep 30, 2022
Grounds for the decision (Annex) - opposition
Sep 30, 2022
Means of redress
Sep 30, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 30, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 30, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 30, 2022
Provision of a copy of the minutes - opposition procedure
Sep 30, 2022
Provision of a copy of the minutes - opposition procedure
Sep 30, 2022
Scanned annex to a communication - opposition procedure
Sep 30, 2022
Transmittal of decision / summons - opposition
Sep 30, 2022
Transmittal of decision / summons - opposition
Mar 29, 2022
Information about the result of oral proceedings
Mar 24, 2022
Brief communication - Opposition proceedings
Mar 21, 2022
(Electronic) Receipt
Mar 21, 2022
Letter accompanying subsequently filed items
Mar 21, 2022
Written submission in preparation to/during oral proceedings
Mar 18, 2022
Brief communication - Opposition proceedings
Mar 11, 2022
(Electronic) Receipt
Mar 11, 2022
Letter accompanying subsequently filed items
Mar 11, 2022
Written submission in preparation to/during oral proceedings
Feb 7, 2022
Brief communication - Opposition proceedings
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
Letter accompanying subsequently filed items
Jan 28, 2022
Written submission in preparation to/during oral proceedings
Jan 26, 2022
Brief communication - Opposition proceedings
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure
Jan 19, 2022
Auxiliary request during Opposition procedure - 01
Jan 19, 2022
Auxiliary request during Opposition procedure - 02
Jan 19, 2022
Auxiliary request during Opposition procedure - 03
Jan 19, 2022
Auxiliary request during Opposition procedure - 04
Jan 19, 2022
Auxiliary request during Opposition procedure - 05
Jan 19, 2022
Auxiliary request during Opposition procedure - 06
Jan 19, 2022
Auxiliary request during Opposition procedure - 07
Jan 19, 2022
Auxiliary request during Opposition procedure - 08
Jan 19, 2022
Auxiliary request during Opposition procedure - 09
Jan 19, 2022
Auxiliary request during Opposition procedure - 10
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Written submission in preparation to/during oral proceedings
Jan 19, 2022
Written submission in preparation to/during oral proceedings
Jan 7, 2022
Brief communication - Opposition proceedings
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Request for interpreters during oral proceedings
Dec 10, 2021
Notification concerning the date of oral proceedings
Dec 10, 2021
Notification concerning the date of oral proceedings
Oct 4, 2021
Advice of delivery
Sep 30, 2021
Advice of delivery
Sep 29, 2021
Annex to the communication - opposition
Sep 29, 2021
Information concerning oral proceedings
Sep 29, 2021
Summons to attend oral proceedings
Sep 29, 2021
Summons to attend oral proceedings
Sep 29, 2021
Transmittal of decision / summons - opposition
Sep 29, 2021
Transmittal of decision / summons - opposition
Jan 19, 2021
Brief communication - Opposition proceedings
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
Letter accompanying subsequently filed items
Jan 7, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 2, 2020
Brief communication - Opposition proceedings
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Communication of a notice of opposition and request to file observations
Sep 25, 2020
Letter accompanying subsequently filed items
Sep 25, 2020
Letter regarding the opposition procedure (no time limit)
Sep 25, 2020
Notice of further oppositions to opponent(s)
Sep 23, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 10, 2020
(Electronic) Receipt
Sep 10, 2020
Citation in opposition procedure - 001
Sep 10, 2020
Citation in opposition procedure - 001
Sep 10, 2020
Citation in opposition procedure - 002
Sep 10, 2020
Citation in opposition procedure - 003
Sep 10, 2020
Citation in opposition procedure - 003
Sep 10, 2020
Citation in opposition procedure - 004
Sep 10, 2020
Citation in opposition procedure - 005
Sep 10, 2020
Citation in opposition procedure - 006
Sep 10, 2020
Citation in opposition procedure - 007
Sep 10, 2020
Citation in opposition procedure - 007
Sep 10, 2020
Citation in opposition procedure - 008
Sep 10, 2020
Citation in opposition procedure - 009
Sep 10, 2020
Citation in opposition procedure - 009
Sep 10, 2020
Citation in opposition procedure - 010
Sep 10, 2020
Citation in opposition procedure - 011
Sep 10, 2020
Citation in opposition procedure - 012
Sep 10, 2020
Citation in opposition procedure - 012
Sep 10, 2020
Citation in opposition procedure - 013
Sep 10, 2020
Citation in opposition procedure - 013
Sep 10, 2020
Consolidated list of cited opposition documents
Sep 10, 2020
Letter accompanying subsequently filed items
Sep 10, 2020
Notice of opposition
Sep 10, 2020
Notice of opposition
Dec 20, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 14, 2019
Decision to grant a European patent
Oct 29, 2019
(Electronic) Receipt
Oct 29, 2019
Filing of the translations of the claims
Oct 29, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Annex to the communication about intention to grant a European patent
Aug 8, 2019
Bibliographic data of the European patent application
Aug 8, 2019
Communication about intention to grant a European patent
Aug 8, 2019
Intention to grant (signatures)
Aug 8, 2019
Text intended for grant (clean copy)
Aug 8, 2019
Text intended for grant (version for approval)
Jul 4, 2019
(Electronic) Receipt
Jul 4, 2019
Amended claims with annotations
Jul 4, 2019
Amended description with annotations
Jul 4, 2019
Annex
Jul 4, 2019
Claims
Jul 4, 2019
Description
Jul 4, 2019
French translation of claims
Jul 4, 2019
German translation of the claims
Jul 4, 2019
Letter accompanying subsequently filed items
Jul 4, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 5, 2019
Bibliographic data of the European patent application
Mar 5, 2019
Communication about intention to grant a European patent
Mar 5, 2019
Intention to grant (signatures)
Mar 5, 2019
Text intended for grant (clean copy)
Mar 5, 2019
Text intended for grant (version for approval)
May 16, 2018
(Electronic) Receipt
May 16, 2018
Amended claims with annotations
May 16, 2018
Amended description with annotations
May 16, 2018
Claims
May 16, 2018
Description
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Reply to communication from the Examining Division
Jan 25, 2018
Annex to the communication
Jan 25, 2018
Communication from the Examining Division
Dec 14, 2017
Examination started
Sep 27, 2017
Transmittal of third party observations to applicant
Sep 26, 2017
Notification regarding date of start of examination with possibility to withdraw
Aug 24, 2017
Acknowledgement of receipt of third party observations
Aug 17, 2017
Observations by third parties
Aug 17, 2017
Patent document filed by a Third party
Aug 17, 2017
Patent document filed by a Third party
Aug 17, 2017
Patent document filed by a Third party
Aug 17, 2017
Patent document filed by a Third party
Aug 17, 2017
Patent document filed by a Third party
Jul 20, 2017
Transmittal of third party observations to applicant
Jul 12, 2017
Acknowledgement of receipt of third party observations
Jul 12, 2017
Annex
Jul 12, 2017
Annex
Jul 12, 2017
Annex
Jul 12, 2017
Annex
Jul 12, 2017
Observations by third parties
Jul 12, 2017
Observations by third parties
Jul 12, 2017
Patent document filed by a Third party
Jul 12, 2017
Patent document filed by a Third party
Jul 12, 2017
Patent document filed by a Third party
Jul 12, 2017
Patent document filed by a Third party
Nov 19, 2014
Amended claims filed after receipt of (European) search report
Nov 19, 2014
Amended claims with annotations
Nov 19, 2014
Amended description filed after receipt of (European) search report
Nov 19, 2014
Amended description with annotations
Nov 19, 2014
Amendments received before examination
Sep 26, 2014
Submission concerning representation
Jul 31, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 14, 2014
Communication regarding the transmission of the European search report
Jul 14, 2014
European search opinion
Jul 14, 2014
Supplementary European search report
Jul 3, 2014
Search started
Nov 20, 2013
Notification of forthcoming publication
Sep 17, 2013
Communication regarding possible amendment of the application/payment of claims fee
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Sep 13, 2013
Communication to designated inventor
Aug 27, 2013
Copy of the international preliminary report on patentability
Aug 27, 2013
Translation of the international preliminary report on patentability
Jul 5, 2013
(Electronic) Receipt
Jul 5, 2013
Abstract
Jul 5, 2013
Amended claims filed after receipt of (European) search report
Jul 5, 2013
Amended description filed after receipt of (European) search report
Jul 5, 2013
Claims
Jul 5, 2013
Description
Jul 5, 2013
Drawings
Jul 5, 2013
Request for entry into the European phase
Jun 21, 2013
Information on entry into European phase
Aug 16, 2012
Copy of the international search report
Aug 16, 2012
Copy of the translated international search report
Aug 16, 2012
International publication pamphlet

EP2674973

MITSUBISHI ELECTRIC

Application Number: EP11858254A
Filing Date: Feb 9, 2011
Status: Granted And Under Opposition; Nov 8, 2019
Publication Date: Dec 11, 2019
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2674973