Substituting a new mess for an old one? The Illegality Defence after Patel v Mirza [2016] UKSC 42 – Henderson Chambers

Posted July 26th, 2016 in appeals, defences, illegality, news, Supreme Court by sally

‘On 20 July 2016 the Supreme Court handed down judgment in Patel v Mirza [2016] UKSC 42. The effect of the majority’s decision is to over-rule Tinsley v Milligan [1994] 1 AC 340, which for more than two decades stood as authority for the “reliance test” applicable to the illegality defence. Under that test, where a claimant is obliged to rely on his own illegal act in support of his claim – be it in contract, tort or unjust enrichment – a defence of illegality could, subject to certain exceptions, successfully be established.’

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Henderson Chambers, 25th July 2016