Alison Hardy, partner at Ashurst, tackles one of the biggest property cases set to be heard in 2019: the dispute over whether the European Medicines Agency's £13m-a-year lease of premises at Canary Wharf is "frustrated" by Brexit. Alison explains how frustration works, outlines the arguments being advanced by landlord and tenant, and offers her views on the likely outcome - as well as addressing other property litigation that might arise out of Brexit.