John McElroy


John is a Partner at Hausfeld in London having joined in March 2016. John has worked on a wide range of commercial litigation and international arbitration matters with a particular emphasis on financial disputes.

John’s broad spread of litigation experience includes having acted for and against major investment banks in high profile, high-value financial disputes often involving complex and technical banking issues. He has also acted as the lead associate on intellectual property, employment, trusts and professional negligence matters. John has acted for major domestic and international companies as well as for individuals in disputes against their professional advisors.

John has wide experience of cases in the Chancery and Queen’s Bench Divisions of the English High Court (including the Commercial Court) as well as in the appeal courts and his cases have often involved international elements. John was the lead lawyer on the first case to reach a judgment (issued in January 2016) in the London High Court’s new Financial List in which he acted for the successful claimants. He has also acted in regulatory investigations involving both the Financial Conduct Authority and the Securities and Exchange Commission. He has been involved in LCIA and ICC arbitrations involving parties in various different jurisdictions and in various ICSID arbitrations. He has also acted in cases before the Courts of the British Virgin Islands.

John joined Hausfeld having been Of Counsel at the London office of Quinn Emanuel Urquhart & Sullivan UK LLP from 2012 to 2016. Prior to that, he was a senior associate at Travers Smith LLP, having trained and qualified at Barlow Lyde & Gilbert LLP. 

He obtained his undergraduate (joint honours) degree in Law and French from The Queen’s University of Belfast in 2002 having spent one year studying French and European law at L’Université de Rennes 1 in Brittany, France.

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  • October 27, 2016
    English High Court Confirms After-The-Event Insurance Sufficient Security

    In a detailed and comprehensive decision, the English High Court has confirmed that ATE insurance can be sufficient security for insolvent claimants, acknowledging that "there is a public interest in permitting ATE insurance on appropriate terms to provide access to justice for insolvent companies under the control of responsible insolvency office-holders."