
Mason Hayes & Curran LLP is a full-service law firm that has built a strong reputation for handling contentious and non-contentious matters. The team regularly assists clients with statutory and non-statutory public inquiries, advising public sector bodies on data privacy, governance, and regulatory issues encompassing licensing, compliance, investigations, and enforcement. Catherine Allen leads the public, regulatory and investigations team, and Brian Horkan heads the health and prosecutions practice. Other key practice members include Lisa Joyce, Aoiffe Moran and Laura Rattigan.
L’éditorial du Legal 500
Témoignages
Collectés indépendamment par l'équipe de recherche du Legal 500.
- ‘The team have a particular set of skills and a willingness to problem solve and find unique solutions. Their commitment to the issue at hand is notable. They work very collaboratively.’
- ‘Brian Horkan stands out as an individual who excels in bringing collaboration to the table to seek solutions. His attention to detail and compassion is apparent. He seeks to progress matters in a strong and focused manner, and his ability to bring results alongside collaboration is a strong trait.'
- ‘Three attributes are essential for any successful legal advisor, and without any one of them, the other two are meaningless. Affability, ability and availability are all necessary components and exemplified by this team in the delivery of sound legal advice in their area of expertise.’
- ‘The entire team, particularly Lisa Joyce, has been an exceptional advisor to us over a long period.’
- ‘Mason Hayes & Curran stand out for their people - they provide sensible, practical advice based upon sound experience in the public sector, and an unparalleled understanding of the law as it applies in the public sector.’
- ‘The team at Mason Hayes & Curran is excellent, and stand-out performance comes from Catherine Allen in particular. Superb professionals.’
- ‘The team are always very responsive and has extensive knowledge. Always keep us up to date with developments in the area. Very good at distilling complex legislation.’
- ‘Both Lisa Joyce and Aoiffe Moran are always willing to prioritise our matters, even at short notice. Both have an in-depth knowledge of their areas of expertise. I always feel that advice is only a phone call away.’
- ‘Highly capable in terms of the quality of advice, and easy to work with.’
Clients clés
- Adoption Authority of Ireland
- Chartered Accountants of Ireland
- Child and Family Agency
- Children’s Health Ireland
- Coillte
- Commission for Aviation Regulation/Irish Aviation Authority
- Commission for Communications Regulation
- Commission for the Regulation of Utilities
- EirGrid
- Electricity Supply Board
Points forts
- Advised the Irish Aviation Authority on intricate capacity decisions concerning the allocation of take-off and landing slots at Dublin Airport, considering the airport's limitations.
- Advised Meta Platforms Ireland Ltd on a landmark European data protection inquiry concerning the legality of transferring European user data to the US for the Facebook service.
- Represented Chartered Accountants in Ireland in a complex judicial review case, Little v Institute of Chartered Accountants in Ireland.
Avocats
Les grands avocats du marché
Avocats associés reconnus parmi les leaders du marché par leurs pairs et leurs clients, régulièrement présents dans les grands dossiers dans lesquels ils sont au premier plan.

Lisa Joyce
Les grands avocats de demain
Jeunes associés disposant d’une reconnaissance montante sur le marché, jouant régulièrement un rôle clé dans des dossiers majeurs.
Aoiffe Moran
Meilleurs collaborateurs
Jeunes avocats collaborateurs ou counsels qui se distinguent régulièrement par leur présence dans des dossiers importants du marché, et qui sont identifiés par le marché comme de jeunes talents à suivre.
Laura Rattigan
Responsable de la pratique
Catherine Allen; Brian Horkan
Autres avocats clés
Lisa Joyce; Aoiffe Moran; Laura Rattigan