In 1978, the new Arrows team which had been established by former Shadow personnel was sued by Shadow on the grounds that the Arrows FA/1 car was a copy of Shadow's DN9 – a view upheld by the UK High Court, which placed a ban on Arrows racing the FA/1.
En 1978, o novo equipo Arrows que fora fundado por expersoal de Shadow, foi demandado por Shadow sobre a base de que o coche Arrows FA/1 era unha copia do Shadow DN9, unha visión compartida polo Tribunal Superior do Reino Unido, que prohibiu a Arrows competir co FA/1.