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Train Management System - EP2974939

The patent EP2974939 was granted to Hitachi on Jun 7, 2023. The application was originally filed on Jul 17, 2014 under application number EP14177525A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2974939

HITACHI
Application Number
EP14177525A
Filing Date
Jul 17, 2014
Status
Granted And Under Opposition
May 5, 2023
Publication Date
Jun 7, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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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KNORR BREMSE SYSTEME FUR NUTZFAHRZEUGEMar 7, 2024MAIWALDADMISSIBLE
SIEMENS MOBILITYMar 7, 2024SIEMENS PATENT ATTORNEYSADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
OPPOSITIONDE102010024800
OPPOSITIONUS7558740
OPPOSITIONWO2007111768
OPPOSITIONWO2008042516
OPPOSITIONWO2010102898
OPPOSITIONWO9830426
SEARCHJP2000344107
SEARCHWO2010149715
SEARCHWO9830426

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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