Sean Osullivan

Background

About Sean Osullivan

A member of the Irish Bar and the Bar of England and Wales, Sean's practice is concentrated on commercial and company law, statutory investigations, regulatory disputes and data protection and privacy law. He has a particular focus on Regulatory and Data Protection Law, where he has represented Privacy and Data Protection activist Max Schrems at all levels of the Irish Superior Courts and in the Court of Justice of the European Union, and where he regularly advises businesses and other data controllers on their regulatory obligations. Sean acts regularly on behalf of individuals and corporate entities, including banks, and on behalf of receivers, examiners and liquidators. Sean also helps clients resolve disputes through arbitration, mediation and negotiation, and has also represented clients at statutory Commissions of Investigation and before statutory Tribunals. Sean has appeared in all Irish Courts and has argued appeals before both the Court of Appeal and the Irish Supreme Court on a range of different matters across his practice. In July 2019, he appeared before the Court of Justice of the European Union in a significant data protection dispute relating to the transfer of data from the EU to the United States, which resulted in the invalidation of the Privacy Shield Decision. Specialties: Company Law & Governance Commercial & Contract Disputes Public & Data Protection Law Statutory Investigations