Nathy Dunleavy BL

  • Junior Counsel: 2007


Areas of Practice:
  • Commercial/Chancery
  • General Practice
  • Judicial Review
  • Banking, Finance & Securities
  • Competition Law
  • Data Protection Law
  • European Law
  • Public Procurement
Nathy Dunleavy BL
Bar of England & Wales
Bar of the State of New York
Direct Professional Access:

Nathy practises in commercial, public and EU law and has wide-ranging experience in areas including financial regulation, civil fraud, professional negligence, constitutional law, private international law, sanctions, competition, state aid and public procurement. He began his career with Shearman & Sterling in New York and subsequently practised with Sullivan & Cromwell before coming to the Irish Bar.

Recent work has included: Trafalgar Developments v Mazepin [2022] IEHC 167 (jurisdiction; $2 billion civil fraud claim); Pola Logistics v GTLK Europe [2022] IEHC 501 (shipping contracts; sanctions on Russia under Regulation (EU)  269/2014); Trucks Litigation (acting for defendants in ongoing follow-on competition law damages claims arising from the European Commission’s Trucks decision); Central Bank of Ireland v Lynch [2022] IEHC 319 (insider dealing; Central Bank inquiry and High Court confirmation hearing); ICC Arbitration (ongoing multi-million Euro contractual dispute); Three v ComReg [2022] IECA 300 (statutory appeal of complex decision on structure of spectrum auction); Various applications for approval of mergers under the Cross-Border Mergers Regulations 2008; Word Perfect v Minister for Public Expenditure and Reform [2022] IECA 131; [2022] IEHC 54; [2021] IECA 305 (public procurement); Central Bank Inquiry re Irish Nationwide (representing a person concerned); HKRME LLC v English [2021] IEHC 142; [2021] IEHC 376; [2019] IEHC 306 (civil fraud; freezing orders; unjust enrichment); STT Risk Management v Transdev [2021] IEHC 214 (breach of contract); Whitemountain Quarries v Donegal County Council [2021] IEHC 401 (injunction); Goode Concrete v CRH [2020] IECA 56, [2015] 3 IR 493 (competition); Narooma Ltd v HSE [2020] IEHC 315 (referral to arbitration); Clarke v Ireland [2020] IEHC 716 (pensions; property rights; EU law); CCPC v Chairs Limited (2021/102 MCA) (Application under s.14B of the Competition Act 2002); CCPC v Ticketmaster (2020/267 MCA) (Application under s.14B of the Competition Act 2002); Persona Digital v Minister for Public Enterprise [2019] IECA 360 (procedural appeal); [2017] IESC 27; [2015] 1 IR 124 (litigation funding); BPSG Ltd v Courts Service [2017] 2 IR 343 (data protection; human rights; access to court records).

Competition Law: A Practitioner’s Guide (Bloomsbury Professional, 2010)

Principles of apportionment in contribution cases (2009) 125 Law Quarterly Review 329

Contribution among antitrust defendants in English law (2009) 30 European Competition Law Review 22

Nathy has acted in a number of pro bono matters throughout his career, including under the Bar’s Voluntary Assistance Scheme.

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01-817 6901
Suite 2.3.1. Church Street Building 158-159 Church St Dublin 7

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