EP3636502

CRRC CHANGCHUN RAILWAY VEHICLES CO., LTD.
Application Number
EP17935458A
Filing Date
Dec 28, 2017
Status
Revoked
Jun 14, 2024
Grant Date
Jun 22, 2022
External Links
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Biblio Summary

The patent EP3636502B1 was granted on Jun 22, 2022 by Crrc Changchun Railway Vehicles Co., Ltd. The patent is currently Revoked.

The table below shows 1 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

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KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBHMar 20, 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
EP3744605Railway Train Operation Control Method And SystemJan 4, 20238

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.