Claire McLoughlin



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Claire is co-head of the Regulatory and Investigations team, and a partner in the Commercial Litigation and Dispute Resolution Department, at Matheson.

Claire specialises in dispute resolution and contentious work for regulated clients including in the financial services, energy and tech sectors. Claire is highly skilled in crisis management, running large scale projects including multi-jurisdictional litigation and multi-party data reviews. She has a reputation with clients for expertly guiding them through the complexities and sensitivities of contentious matters, including in high stakes commercial litigation and regulatory proceedings.  She helps clients to identify and manage risks, minimise reputational impact and how to achieve satisfactory resolutions. She advises clients on all aspects of High Court, Commercial Court, Court of Appeal and Supreme Court litigation.

Experience Highlights

Commercial and High Court Litigation – (i) a lead partner of team of 20+ lawyers defending one of the world’s largest banks against multi-million dollar claims arising out of the Madoff US fraud and coordinating multi-jurisdictional litigation; (ii) advising a financial institution in defending High Court proceedings in relation to allegations of “mis-selling” by customers; (iii) acting for an international bank on multi-million euro Commercial Court funds litigation and (iv) lead partner advising a large multinational corporation in relation to an action taken by 491 ex-employees.

Regulatory, Investigations and Inquiries – (i) advising an international corporate in relation to challenging a decision of the Central Bank and negotiating a withdrawal of the decision and consensual resolution of the appeal; (iii) advising a global FS client in relation to compliance with Central Bank codes of conduct and potential reporting obligations to local and foreign regulators; (iii) advising a regulated entity in relation to compliance matters, conducting an internal investigation, and advising in relation to potential reporting obligations to local and foreign regulatory and law enforcement authorities and potential enforcement sanctions.

Public law – advising clients in relation to challenging the decisions and actions of public bodies and regulators including by way of judicial review and other public law proceedings.

Privilege – advising on privilege issues arising in the context of regulatory investigations, data subject access requests, board meetings, litigation and third party disclosure orders.

Disclosure of Documents – advising on all aspects of document disclosure issues including mutual legal assistance requests and court orders, search warrants and the taking of evidence. Representative experience includes advising a leading multinational technology company on discovery as part of its defence of trade mark infringement proceedings in the Commercial Court and in respect of a request from Revenue for documents.

DMS Project Management – advising on all aspects of discovery, data subject access requests and data management.


Claire McLoughlin is recommended.
European Legal 500 2020

Claire McLoughlin isnamed a next generation partner.
European Legal 500 2020

Claire McLoughlin has "the ability to distil very complex legal matters into easily digestible information. An absolute pleasure to work with".
European Legal 500 2020

Claire McLoughlin is recommended.
European Legal 500 2019

Litigation Future Leader
Who's Who Legal 2018


Diploma in French Legal Studies, University of Poitiers, France - 2004
National University of Ireland, Galway, Bachelor of Corporate Law International - 2005
National University of Ireland, Galway, LLB - 2006
Diploma in Finance Law, Law Society of Ireland - 2009
Admitted as a Solicitor, Ireland - February 2010

Related Practice Areas

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