In England and in the Netherlands, the national highest courts seem to be developing new practices under the effects of judicial globalisation or internationalisation. This is particularly apparent in the increased interaction of judges of the national highest courts with judges from other legal systems, an interaction which does not only concern the study of international and foreign legal materials, but also the exchange of legal ideas between judges in transnational networks. Judicial globalisation thus has induced the development of an outwardlooking approach of national courts which appeared to be in decline since the rise of the nation state. [...]