On 3 February 2016, the High Court handed down its judgment in Plaintiff M68/2015 v Minister for Immigration and Border Protection [2016] HCA 1. The Court rejected a challenge to offshore processing in Nauru, a decision that received widespread attention. In this article, Andrew Yuile reviews the Court’s decision and considers its possible future implications. This article was also published in the NSW Law Society Journal, in the April 2016 issue (pp 90-91).