IF no substitute is negotiated for the Brussels Recast Regulation (1215/2012) on “Brexit”, the provisions in the Civil Procedure Rules 1998 (CPR) for permission to serve claims out of the jurisdiction may assume a greater significance in future cross-border litigation. So the timing of the Supreme Court's decision in Four Seasons Holding Inc. v Brownlie [2017] UKSC 80, [2018] 1 W.L.R. 192 is apposite.