Litigation & Arbitration


Gerald Byrne is Counsel in the Firm's Litigation & Arbitration Practice Group.

He has extensive commercial and financial services litigation experience dealing with large-scale, complex, and multi-jurisdictional disputes. He has worked on a variety of litigation and arbitration matters in the UK, Ireland, Switzerland, Austria, the BVI, and Grand Cayman.

Gerald also has experience in construction, defamation, and regulatory disputes. He has a broad background in extensive legal research and trial preparation.

Prior to joining Brown Rudnick, Gerald qualified in Dublin and worked in the London office of a major global law firm.



Represented a fund manager regarding a number of related disputes arising out of the breakdown of a partnership. Parts of the related disputes have been heard in the Privy Council, the BVI courts, and in arbitration proceedings.

Represented a telecommunications company in the High Court regarding a breach of warranty claim relating to management accounts.

Represented a leading Middle Eastern investment manager in the defense of a claim for fraud, breach of contract, and negligence in the Cayman Grand Court and Court of Appeal.

Represented a multi-national bank regarding allegations of Libor fixing by its employees.

Represented a major building supplier and quarrying company in the defense of claims that oxidizing pyrite contained in its materials caused damage to numerous buildings including three housing estates, a bus depot, and a youth club. These cases occupied more than 200 days in the Irish High Court.

Represented high-net-worth investors in a tax incentive scheme regarding a dispute arising from their exit from the structure.

Represented a large well-known airline in a defamation action in the Irish High Court.


Law Society of Ireland – Diploma Commercial Litigation, 2008
Lindenwood University – B.A. (Corporate Finance), 2004
University College Dublin – BBLS (Business and Law), 2003

Bar Admissions

Solicitor, England & Wales
Solicitor, Ireland
Co-author, "Commercial Fraud Litigation – London Pow-wow," IBA Litigation Committee Newsletter (September 2019)
Author, "Justice Must Come First – the #MeToo Movement and Non-disclosure Agreements," IBA Litigation Committee Newsletter (September 2019)
A Brief Guide to the Irish Companies Act 2014
The Defamation Act 2013 - An Overview
An Overview of The Charities Act 2009
Presentation of the Legal Enforceability of Instant Credit Facilities in Ireland
Awards and Honors
Recognized by The Legal 500 UKas a Rising Star for Commercial Litigation (2021)
Recognized by The Legal 500 UK as a Rising Star for Banking Litigation: Investment & Retail (2020-2021)
Recognized by The Legal 500 UK as a Leading Firm (2020)
Winner of The Legal 500 UK Crime Fraud & Licensing Firm of the Year Award (2019)
Winner of The Legal 500 UK Crime Fraud & Licensing Firm (Specialism) of the Year Award (2018)