IP Verse

Hien competitive analysis

Explore patent oppositions filed by Hien against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Jul 23, 2026

Patent Number	Title	Applicant	Opposition Date
EP4277818	Method For Calibrating An Acquisition Chain Of A Braking Device Or Braking System Of At Least One Vehicle, In Particular At Least One Railway Vehicle	FAIVELEY TRANSPORT ITALIA	Dec 4, 2025
EP4013963	Piston For Reciprocating Compressor Having Complementary Sealing Elements	FAIVELEY TRANSPORT ITALIA	Jan 22, 2025
EP3842230	Pneumatic Braking Control System Comprising A Unitary Component, And Railroad Vehicle Using The Same	ALSTOM	Dec 4, 2024
EP3010777	Vehicle Group Monitoring	ELECTRONIC MACHINES	Aug 8, 2024
EP3914491	Railway Braking Device And Manufacturing Method Of A Railway Braking Device	FAIVELEY TRANSPORT ITALIA	Jul 16, 2024
EP3744605	Railway Train Operation Control Method And System	CRRC CHANGCHUN RAILWAY VEHICLES	Oct 4, 2023
EP3829946	Electropneumatic Handbrake (Eph) Having A Partially Decoupled Tcv (European Actuation)	ZF CV SYSTEMS EUROPE	May 31, 2023
EP3636502	Train Brake Cylinder Pressure Control System And Rail Train	CRRC CHANGCHUN RAILWAY VEHICLES	Mar 20, 2023
EP3713806	End Plate For A Rail Vehicle Coupling Head, And Rail Vehicle Coupling Head	VOITH PATENT	Dec 9, 2022
EP3628563	Rail Train Brake Control System And Train	CRRC TANGSHAN	Nov 7, 2022

Discover the latest PTAB cases involving Hien, highlighting their recent legal challenges and patent disputes.

IP litigation analysis comparing Hien with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jul 23, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
EMS	10	46	-	-
ARKEMA FRANCE	153	119	3	-
FAIVELEY TRANSPORT ITALIA	12	13	-	-
SIEMENS MOBILITY	87	68	6	10