R (on the application of Davis MP and others) v Secretary of State for the Home Department (Open Rights Group and others intervening) [2015] EWCA Civ 1185, [2015] All ER (D) 196 (Nov)
The Court of Appeal in considering an appeal regarding s 1 of the Data Retention and Investigatory Powers Act 2014, gave its provisional view on the appeal and referred a number of questions to the Court of Justice of the European Union for a preliminary ruling.