Chambers Review
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Chambers European Guide
Dispute Resolution - Ireland
Individual Editorial
Owen O'Sullivan stands out for his advice to high net worth individuals on regulatory investigations and investment disputes.
Owen O'Sullivan
Europe Guide 2026
Senior Statespeople : Dispute Resolution
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Europe 2026
Lawyers profile | Europe 2026: Dispute Resolution
Owen O'Sullivan
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Senior Statespeople
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About
Provided by Owen O'Sullivan
Europe
Practice Areas
Owen O’Sullivan is a Consultant in William Fry's Litigation & Investigations department. Owen was Managing Partner of William Fry from 2020 until November 2024. Owen specialises in commercial disputes, particularly shareholder and investment disputes, as well as disputes in the financial sector. He has been involved in many high profile property disputes and has product liability defence experience in the pharmaceutical, energy drink, motor and tobacco sectors.
Professional Memberships
Owen served as a member of the Law Society’s Litigation Committee for six years and the International Association of Defence Counsel, the International Bar Association, DRI Europe and the Steering Committee of the Commercial Litigation Association of Ireland.
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