EP3744605

CRRC CHANGCHUN RAILWAY VEHICLES CO., LTD.
Application Number
EP19912800A
Filing Date
Nov 22, 2019
Status
Granted And Under Opposition
Dec 2, 2022
Grant Date
Jan 4, 2023
External Links
Slate, Register

Biblio Summary

The patent EP3744605B1 was granted on Jan 4, 2023 by Crrc Changchun Railway Vehicles Co., Ltd. The patent is currently Granted And Under Opposition.

The table below shows 8 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

Get instant alerts for new oppositions and patent status changes

AZD PRAHA S.R.O.Oct 4, 2023 N.A.
CAF SIGNALLING S.L.Oct 4, 2023ADMISSIBLE
GTS DEUTSCHLAND GMBHOct 4, 2023ADMISSIBLE
KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBHOct 4, 2023ADMISSIBLE
HITACHI RAIL STS S.P.A.Oct 3, 2023ADMISSIBLE
ALSTOM HOLDINGSOct 2, 2023ADMISSIBLE
SIEMENS MOBILITY GMBHOct 2, 2023ADMISSIBLE
STADLER RAIL AGSep 25, 2023ADMISSIBLE

The table below shows the patents of Crrc Changchun Railway Vehicles Co., Ltd. that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP3636502Train Brake Cylinder Pressure Control System And Rail TrainJun 22, 20221

Dossier Documents of the Patent

The documents dossier of the patent at EPO including all essential records in the patent's lifecycle, from filing to grant to oppositions.

  • Date

    Description

  • Get instant alerts for new documents