The Supreme Court recently handed down judgment in the appeal in Patel v Mirza [2016]. In this landmark decision, the Supreme Court put to rest a long-running debate that had raged between justices of the Supreme Court regarding the proper approach to the law of illegality. Several justices, spearheaded by Lord Sumption, had preferred a rule-based analysis, with the reliance test constituting the relevant rule. According to the reliance test, the claimant will fail in his or her action if he ...