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Bidirectional Vehicle Electrical System Converter And Method For Operation Thereof

Patent No. EP3478527 (titled "Bidirectional Vehicle Electrical System Converter And Method For Operation Thereof") was filed by Siemens Mobility on Jul 28, 2017. The application was issued on Jul 1, 2020.

Patent Summary

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Patent Oppositions

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
DINGHAN SMART RAILWAY TECHNOLOGY	Mar 26, 2021	KLEINE

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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Mar 17, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 17, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 14, 2022
Termination of the opposition proceedings with revocation of patent
Dec 6, 2021
Advice of delivery
Dec 2, 2021
Advice of delivery
Nov 30, 2021
Decision of the Opposition Division and instruction
Nov 30, 2021
Decision revoking the European patent
Nov 30, 2021
Decision revoking the European patent
Nov 30, 2021
Grounds for the decision (Annex) - opposition
Nov 30, 2021
Means of redress
Nov 30, 2021
Transmittal of decision / summons - opposition
Nov 30, 2021
Transmittal of decision / summons - opposition
Sep 2, 2021
Brief communication - Opposition proceedings
Aug 30, 2021
(Electronic) Receipt
Aug 30, 2021
Letter accompanying subsequently filed items
Aug 30, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 20, 2021
Communication of a notice of opposition and request to file observations
Apr 20, 2021
Notice of further oppositions to opponent(s)
Mar 31, 2021
Communication of a notice of opposition - first information to patent proprietor
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Any annexes (other than citation) to an opposition letter
Mar 26, 2021
Citation in opposition procedure - 001
Mar 26, 2021
Citation in opposition procedure - 002
Mar 26, 2021
Citation in opposition procedure - 003
Mar 26, 2021
Citation in opposition procedure - 004
Mar 26, 2021
Citation in opposition procedure - 005
Mar 26, 2021
Citation in opposition procedure - 006
Mar 26, 2021
Citation in opposition procedure - 007
Mar 26, 2021
Consolidated list of cited opposition documents
Mar 26, 2021
Notice of opposition
Mar 26, 2021
Notice of opposition
Jul 13, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 5, 2020
Decision to grant a European patent
May 18, 2020
(Electronic) Receipt
May 18, 2020
English translation of the claims
May 18, 2020
Filing of the translations of the claims
May 18, 2020
French translation of claims
Feb 19, 2020
Bibliographic data of the European patent application
Feb 19, 2020
Communication about intention to grant a European patent
Feb 19, 2020
Intention to grant (signatures)
Feb 19, 2020
Text intended for grant (clean copy)
Feb 19, 2020
Text intended for grant (version for approval)
Jan 29, 2020
Examination started
Aug 20, 2019
(Electronic) Receipt
Aug 20, 2019
Amended claims filed after receipt of (European) search report
Aug 20, 2019
Amended claims with annotations
Aug 20, 2019
Amended description filed after receipt of (European) search report
Aug 20, 2019
Amended description with annotations
Aug 20, 2019
Amendments received before examination
Aug 20, 2019
Letter accompanying subsequently filed items
Apr 16, 2019
Copy of the international preliminary examination report
Apr 10, 2019
Notification on forthcoming publication of bibliographic data
Mar 20, 2019
Annexes to the international preliminary examination report
Mar 20, 2019
Copy of the international preliminary examination report
Mar 13, 2019
Free text
Mar 7, 2019
Annex to International preliminary examination report
Mar 7, 2019
International preliminary examination report
Mar 7, 2019
International preliminary examination report - free text sheet
Mar 7, 2019
International preliminary examination report - points I-VIII
Mar 7, 2019
Transmittal of International Preliminary Examination Report
Mar 5, 2019
Copy of the international preliminary examination report
Feb 28, 2019
Free text
Feb 28, 2019
Transmittal of International Preliminary Examination Report
Feb 27, 2019
Refund of fees
Feb 21, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 19, 2019
Communication to designated inventor
Feb 19, 2019
Communication to designated inventor
Feb 19, 2019
Communication to designated inventor
Feb 19, 2019
Confirmation of effective date of early entry
Feb 14, 2019
Priority search results copy provided by EPO
Jan 31, 2019
(Electronic) Receipt
Jan 31, 2019
Request for entry into the European phase
Jan 11, 2019
Information on entry into European phase
Sep 12, 2018
Notification of the recording of a change
Sep 12, 2018
Notification of the recording of a change
Jul 30, 2018
Annex to International preliminary examination report
Jul 30, 2018
International preliminary examination report
Jul 30, 2018
International preliminary examination report - free text sheet
Jul 30, 2018
International preliminary examination report - points I-VIII
Jul 30, 2018
Transmittal of International Preliminary Examination Report
Jul 25, 2018
Notification of election of EPO
Jul 17, 2018
Amendments of documents (Article 19 PCT) (without attachments)
Jul 4, 2018
Notification of receipt of demand
Jun 27, 2018
(Electronic) Receipt
Jun 27, 2018
Document concerning fees and payments
Jun 27, 2018
PCT demand form
Jun 27, 2018
PCT(IPEA): Amended sheet - claims
Jun 27, 2018
PCT(IPEA): Amended sheet - claims
Jun 27, 2018
Reply to International Search Opinion
Mar 27, 2018
Priority document (electronically transmitted)
Mar 8, 2018
Copy of the international search report
Mar 8, 2018
Copy of the international search report
Mar 8, 2018
Published international application - A1
Mar 8, 2018
Published international application - A1
Nov 16, 2017
Written opinion of the ISA, boxes No. I to VIII
Nov 16, 2017
Written opinion of the ISA, cover sheet
Nov 16, 2017
Written opinion of the ISA, supplemental box
Aug 31, 2017
Notification of the international application number and of the international filing date
Jul 28, 2017
(Electronic) Receipt
Jul 28, 2017
Abstract
Jul 28, 2017
Claims
Jul 28, 2017
Description
Jul 28, 2017
Document concerning fees and payments
Jul 28, 2017
Drawings
Jul 28, 2017
Electronic request for grant of an International application
Jul 28, 2017
Priority document (RO-procedure)

EP3478527

SIEMENS MOBILITY

Application Number: EP17754291A
Filing Date: Jul 28, 2017
Status: Revoked; Mar 18, 2022
Publication Date: Jul 1, 2020
External Links: Slate, Register , Google Patents