Conor Quigley QC is a barrister at Serle Court and specialises in European Union law, in particular state aid law. He is the author of European state aid law and policy (3rd edition, 2015) and is a visiting fellow at the Institute of European and Comparative Law, University of Oxford. Email: cquigley@serlecourt.co.uk; tel: 020 7242 6105.