Inverter

Patent No. EP3522690 (titled "Inverter") was filed by Kabushiki Kaisha Toyota Jidoshokki on Jan 16, 2019. The application was issued on Dec 6, 2023.

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
STILL	Nov 24, 2021	PATENTSHIP PATENTANWALTSGESELLSCHAFT

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 9, 2023
Decision to maintain the European patent in amended form
Nov 9, 2023
Decision to maintain the European patent in amended form
Oct 30, 2023
(Electronic) Receipt
Oct 30, 2023
French translation of claims
Oct 30, 2023
German translation of the claims
Oct 30, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Communication of bibliographic data
Jul 21, 2023
Communication to opponent concerning maintenance
Jul 21, 2023
Communication with request to file translations
Jul 18, 2023
Maintenance of the patent with the documents specified in the final decision
Apr 11, 2023
Advice of delivery
Apr 6, 2023
Advice of delivery
Apr 6, 2023
Annex to the communication - opposition
Apr 6, 2023
Decision of the Opposition Division and instruction
Apr 6, 2023
Druckexemplar in opposition procedure
Apr 6, 2023
Grounds for the decision (Annex) - opposition
Apr 6, 2023
Interlocutory decision in opposition proceedings
Apr 6, 2023
Interlocutory decision in opposition proceedings
Apr 6, 2023
Means of redress
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Scanned annex to a communication - opposition procedure
Apr 6, 2023
Scanned annex to a communication - opposition procedure
Apr 6, 2023
Scanned annex to a communication - opposition procedure
Apr 6, 2023
Transmittal of decision / summons - opposition
Apr 6, 2023
Transmittal of decision / summons - opposition
Jan 19, 2023
Information about the result of oral proceedings
Dec 14, 2022
Brief communication - Opposition proceedings
Dec 9, 2022
(Electronic) Receipt
Dec 9, 2022
Letter accompanying subsequently filed items
Dec 9, 2022
Written submission in preparation to/during oral proceedings
Nov 22, 2022
Brief communication - Opposition proceedings
Nov 17, 2022
(Electronic) Receipt
Nov 17, 2022
(Electronic) Receipt
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure - 01
Nov 17, 2022
Auxiliary request during Opposition procedure - 02
Nov 17, 2022
Auxiliary request during Opposition procedure - 03
Nov 17, 2022
Auxiliary request during Opposition procedure - 04
Nov 17, 2022
Auxiliary request during Opposition procedure - 05
Nov 17, 2022
Auxiliary request during Opposition procedure - 06
Nov 17, 2022
Auxiliary request during Opposition procedure - 07
Nov 17, 2022
Auxiliary request during Opposition procedure - 08
Nov 17, 2022
Letter accompanying subsequently filed items
Nov 17, 2022
Written submission in preparation to/during oral proceedings
Nov 2, 2022
Brief communication - Opposition proceedings
Oct 27, 2022
Letter accompanying subsequently filed items
Oct 27, 2022
Request for interpreters during oral proceedings
Sep 13, 2022
Notification concerning the date of oral proceedings
Sep 13, 2022
Notification concerning the date of oral proceedings
Sep 9, 2022
Brief communication - Opposition proceedings
Sep 6, 2022
(Electronic) Receipt
Sep 6, 2022
Letter accompanying subsequently filed items
Sep 6, 2022
Written submission in preparation to/during oral proceedings
Jun 2, 2022
(Electronic) Receipt
Jun 2, 2022
Advice of delivery
Jun 2, 2022
Advice of delivery
Jun 2, 2022
Letter accompanying subsequently filed items
Jun 1, 2022
Annex to the communication - opposition
Jun 1, 2022
Summons to attend oral proceedings
Jun 1, 2022
Summons to attend oral proceedings
Jun 1, 2022
Transmittal of decision / summons - opposition
Jun 1, 2022
Transmittal of decision / summons - opposition
May 30, 2022
Brief communication - Opposition proceedings
Apr 25, 2022
Brief communication - Opposition proceedings
Apr 14, 2022
(Electronic) Receipt
Apr 14, 2022
Auxiliary request during Opposition procedure
Apr 14, 2022
Auxiliary request during Opposition procedure
Apr 14, 2022
Auxiliary request during Opposition procedure
Apr 14, 2022
Auxiliary request during Opposition procedure
Apr 14, 2022
Auxiliary request during Opposition procedure
Apr 14, 2022
Auxiliary request during Opposition procedure - 01
Apr 14, 2022
Auxiliary request during Opposition procedure - 02
Apr 14, 2022
Auxiliary request during Opposition procedure - 03
Apr 14, 2022
Auxiliary request during Opposition procedure - 04
Apr 14, 2022
Auxiliary request during Opposition procedure - 05
Apr 14, 2022
Letter accompanying subsequently filed items
Apr 14, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 8, 2021
Communication of a notice of opposition and request to file observations
Dec 8, 2021
Notice of further oppositions to opponent(s)
Dec 6, 2021
Communication of a notice of opposition - first information to patent proprietor
Nov 24, 2021
(Electronic) Receipt
Nov 24, 2021
Citation in opposition procedure - 001
Nov 24, 2021
Citation in opposition procedure - 002
Nov 24, 2021
Citation in opposition procedure - 002
Nov 24, 2021
Citation in opposition procedure - 003
Nov 24, 2021
Citation in opposition procedure - 004
Nov 24, 2021
Citation in opposition procedure - 005
Nov 24, 2021
Consolidated list of cited opposition documents
Nov 24, 2021
Notice of opposition
Nov 24, 2021
Notice of opposition
Mar 8, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 28, 2021
Decision to grant a European patent
Dec 14, 2020
(Electronic) Receipt
Dec 14, 2020
Filing of the translations of the claims
Dec 14, 2020
French translation of claims
Dec 14, 2020
German translation of the claims
Oct 9, 2020
Bibliographic data of the European patent application
Oct 9, 2020
Communication about intention to grant a European patent
Oct 9, 2020
Intention to grant (signatures)
Oct 9, 2020
Text intended for grant (clean copy)
Oct 9, 2020
Text intended for grant (version for approval)
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Amended claims with annotations
Sep 16, 2020
Claims
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Reply to communication from the Examining Division
May 14, 2020
Annex to the communication
May 14, 2020
Communication from the Examining Division
May 1, 2020
Examination started
Jan 21, 2020
(Electronic) Receipt
Jan 21, 2020
Amended claims filed after receipt of (European) search report
Jan 21, 2020
Amended claims with annotations
Jan 21, 2020
Amended description filed after receipt of (European) search report
Jan 21, 2020
Amended description with annotations
Jan 21, 2020
Amendments received before examination
Jan 21, 2020
Letter accompanying subsequently filed items
Aug 12, 2019
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 10, 2019
Notification of forthcoming publication
Jul 2, 2019
Communication regarding the transmission of the European search report
Jul 2, 2019
Document annexed to the Extended European Search Report
Jul 2, 2019
European search opinion
Jul 2, 2019
European search report
Jul 2, 2019
Information on Search Strategy
Jun 21, 2019
Search started
Mar 22, 2019
Confirmation of receipt of (electronically) transmitted priority document
Mar 19, 2019
Priority document (electronically transmitted)
Mar 11, 2019
Communication to designated inventor
Mar 11, 2019
Communication to designated inventor
Mar 11, 2019
Communication to designated inventor
Mar 11, 2019
Communication to designated inventor
Jan 16, 2019
Abstract
Jan 16, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 16, 2019
Claims
Jan 16, 2019
Description
Jan 16, 2019
Designation of inventor
Jan 16, 2019
Drawings
Jan 16, 2019
Request for grant of a European patent

EP3522690

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

Application Number: EP19152024A
Filing Date: Jan 16, 2019
Status: Patent Maintained As Amended; Nov 3, 2023
Publication Date: Dec 6, 2023
External Links: Slate, Register , Google Patents

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EP3522690