Mr Garrett Breen > William Fry LLP > Dublin, Ireland > Lawyer Profile

William Fry LLP
2 GRAND CANAL SQUARE
DUBLIN 2
Ireland

Work Department

Litigation & Dispute Resolution.

Position

Garrett Breen is a Partner and Head of William Fry’s Litigation & Investigations Department, specialising in commercial and regulatory litigation as well as contentious intellectual property issues. He has extensive experience of the Commercial Division of the High Court and various Tribunals of Enquiry, and has prosecuted cases before the European Court of Justice. He has advised sector-specific regulators in Ireland and internationally. He also advises auditors and tax advisors on their statutory obligations and decision-making processes. Garrett has run many anti-counterfeiting campaigns for multinational brand holders. He also advises financial services firms who become subject to the Administrative Sanctions Procedures of the Central Bank.

Lawyer Rankings

Ireland > Dispute resolution

(Hall of Fame)

Garrett BreenWilliam Fry LLP

William Fry LLP remains a significant player in the dispute resolution field, routinely landing a major market share of instructions in cases before the Commercial Court. Beyond the courts, it has an established record in arbitration, mediation and commercial negotiations. The firm continues to build its presence in regulatory investigations and is prominent in partnership and shareholder disputes. Garrett Breen heads the team and has more than 30 years’ experience in dispute resolution, while Paul Convery  is an established name in large-scale disputes, including sanctions and derogations litigation, competition cases and financial disputes. Fergus Doorly , Laura Murdock and Mary Cooney are also rated. Deirdre O’Donovan was promoted to the partnership in 2024, while Owen O’Sullivan is a top practitioner and has now completed his stint as managing partner.

Ireland > Public sector

William Fry LLP has a robust practice advising government departments, regulators, and public bodies on a wide range of issues, including public procurement, state aid, regulatory compliance, and project financing. Renowned for its proficiency in financing and developing telecoms, energy, and transport infrastructure projects, the team is led by Claire Waterson, with key contributions from public sector employment specialist Alicia Compton and experienced litigator Garrett Breen.