LAWYER PROFILE
Colin Monaghan

Colin Monaghan

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Mason Hayes & Curran LLP

Practice Areas

Colin is a senior partner in the Dispute Resolution and Investigations team at Mason Hayes & Curran.

He specialises in commercial litigation with a particular emphasis on internal and regulatory investigations, technology disputes, financial services litigation, competition litigation, commercial property disputes, shareholder disputes, and negligence claims.

Colin advises on all aspects of the litigation process and alternative dispute resolution mechanisms in Ireland, including arbitration and mediation. He has extensive experience in dealing with multi-party disputes before the Commercial List of the High Court.

Colin has a particular expertise in technology litigation and public law regulatory disputes. Over the last number of years, Colin has been the lead partner in proceedings before the Irish and European courts in respect of data transfers from the EEA to the U.S. arising from the Schrems II decision of the Court of Justice of the European Union. This is the most important and high-profile piece of technology litigation in Europe to come before the courts in Ireland and Europe in recent years.

Colin is also particularly experienced in advising on data breach claims under the GDPR before the Irish courts and in acting in the defence of dawn raids by the European Commission.

Chambers Review

Provided by Chambers

Chambers Global Guide

Dispute Resolution - Ireland

Band 4
Band 4

Individual Editorial

Colin Monaghan acts for international clients on disputes in the technology and financial services industries. He has experience advising on judicial reviews and litigation at a European court level.

Strengths

Provided by Chambers

  • Colin Monaghan demonstrates a deep understanding of complex legal issues and navigates cross-jurisdictional matters with ease.

    Dispute ResolutionChambers Global Guide
  • He's a very safe pair of hands.

    Dispute ResolutionChambers Global Guide

Ranked Individuals at Mason Hayes & Curran LLP (23)

Ireland

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership