Their right to represent clients in EU courts also... U.K. lawyers enjoy certain benefits related to EU membership, such as protection from disclosing their legal advice to clients in the event of a European Commission antitrust investigation. LONDON—Lawyers from some of Britain’s largest firms are flocking to register in Ireland to protect their right to practice fully in the European Union, in case the U.K. votes to leave the bloc.

Source: Wall Street Journal June 21, 2016 11:26 UTC