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Railway Train Operation Control Method And System - EP3744605

The patent EP3744605 was granted to Crrc Changchun Railway Vehicles on Jan 4, 2023. The application was originally filed on Nov 22, 2019 under application number EP19912800A. The patent is currently recorded with a legal status of "Revoked".

EP3744605

CRRC CHANGCHUN RAILWAY VEHICLES
Application Number
EP19912800A
Filing Date
Nov 22, 2019
Status
Revoked
Oct 25, 2024
Publication Date
Jan 4, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (8)

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.

CompanyOpposition DateRepresentativeOpposition Status

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AZD PRAHA SROOct 4, 2023DIEHL & PARTNER -
CAF SIGNALLINGOct 4, 2023IGARTUAADMISSIBLE
GTS DEUTSCHLANDOct 4, 2023KOHLER SCHMID MOBUS PATENTANWALTEADMISSIBLE
KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGEOct 4, 2023NOVENTIVE PATENTANWALTSGESELLSCHAFTADMISSIBLE
HITACHI RAIL STSOct 3, 2023METROCONSULTADMISSIBLE
ALSTOMOct 2, 2023LAVOIXADMISSIBLE
SIEMENS MOBILITYOct 2, 2023SIEMENS PATENT ATTORNEYSADMISSIBLE
STADLER RAILSep 25, 2023HEPP WENGER RYFFELADMISSIBLE

Patent Citations (47) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
OPPOSITIONAU2009202469
OPPOSITIONCN102267481
OPPOSITIONCN103010230
OPPOSITIONCN103237044
OPPOSITIONCN103863364
OPPOSITIONCN104340236
OPPOSITIONCN104554299
OPPOSITIONCN104787091
OPPOSITIONCN105109522
OPPOSITIONCN105480259
OPPOSITIONCN106938656
OPPOSITIONCN107264576
OPPOSITIONCN107792122
OPPOSITIONCN107985342
OPPOSITIONCN108116455
OPPOSITIONCN108146467
OPPOSITIONCN108163013
OPPOSITIONCN108674447
OPPOSITIONCN109017884
OPPOSITIONCN109229160
OPPOSITIONCN109649418
OPPOSITIONCN114655260
OPPOSITIONCN201037910Y
OPPOSITIONDE69610494T
OPPOSITIONEP2746132
OPPOSITIONEP2857255
OPPOSITIONEP3381769
OPPOSITIONEP3395642
OPPOSITIONEP3744605
OPPOSITIONKR101851971B
OPPOSITIONKR20080078158
OPPOSITIONKR20110000272
OPPOSITIONKR20160001852
OPPOSITIONKR20160047025
OPPOSITIONKR20170080168
OPPOSITIONUS2012197466
OPPOSITIONUS2013171590
OPPOSITIONUS2016059874
OPPOSITIONUS2017190340
OPPOSITIONUS2018312182
OPPOSITIONUS2018354535
OPPOSITIONUS5613654
OPPOSITIONUS9469310
OPPOSITIONWO2012063439
OPPOSITIONWO2017162472
OPPOSITIONWO2018121691
SEARCHUS2012197466

Dossier Documents

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    Description

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