Owen O

Owen O'Sullivan

Listed in Best Lawyers since 2008
Phone: 353 1 639 5368

Owen O'Sullivan is Head of William Fry’s Litigation & Dispute Resolution Department.  He 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.

Recent significant work includes advising:

  • Horizon Sports Management on the defence of  the claim brought against it by golfer Rory McIlroy and the prosecution of its counterclaim.
  • Alternative Advantage plc in Commercial Court proceedings for the return of over €100m sub-custodied to Bernard Madoff
  • Tesco on its contractual dispute relating to the development of a new district centre store at Carrickmines.
  • Davy Stockbrokers both on its successful Supreme Court challenge to a decision by the Financial Services Ombudsman and ongoing defence of Credit Union litigation
  • DCC plc through its High and Supreme Court insider dealing action brought by Fyffes plc and the subsequent Inspectorship process

Owen served as a member of the Law Society’s Litigation Committee for six years and is currently a member of the International Bar Association, the Steering Committee of the Commercial Litigation Association of Ireland and DRI Europe.

Office Location

Two Grand Canal Square
Dublin, 2

Lawyer of the Year Awards

2010 Lawyer of the Year in Arbitration and Mediation of the Dublin Metro Area2010 Lawyer of the Year in Litigation of the Dublin Metro Area
Owen O'Sullivan has earned a Lawyer of the Year award for 2010!Owen O'Sullivan has earned a Lawyer of the Year award for 2010!

Practice Areas

Arbitration and Mediation
Bet-the-Company Litigation
Product Liability Litigation