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Fountain Court Chambers

Work 020 7583 3335
Fax 020 7353 0329
London, Singapore

Leigh-Ann Mulcahy QC

Work +44(0)20 7583 3335
Fountain Court Chambers (Fountain Court Chambers)


QC, commercial arbitrator and mediator specialising in

  • Insurance and reinsurance, including employer’s liability, public liability, product liability, cyber risks, professional indemnity, financial institutions, directors’ and officers’ liability.
  • Product liability and product recall, including commercial products, food, pharmaceuticals, medical devices, vaccines, blood and chemicals. Specialises in group litigation, cases with complex scientific and technical evidence and regulatory issues.
  • Commercial litigation and arbitration, including contractual disputes of all kinds and IT-related disputes.
  • Professional liability and professional discipline, including lawyers, accountants, financial services professionals and insurance brokers.
  • Public and constitutional law and inquiries.

Recognised as an appellate advocate, she has appeared in five cases before the Supreme Court and House of Lords, is acting on a Privy Council appeal and regularly appears in the Court of Appeal.

Has acted on behalf of the UK Government in a wide range of cases. Former First Counsel to the Welsh Government 2013-2016.

Recent cases include: Various Claimants v Giambrone and Law [2019] EWHC 34 (QB) (insurance); Goodlife Foods Ltd v Hall Fire Protection Ltd [2018] BLR 491, CA (commercial product liability); Akcine Bendrove Bankas Snoras v Antonov [2018] EWHC 887 (Comm) (commercial; freezing injunction); Redman v Zurich Insurance Plc [2018] 1 WLR 280, QB (insurance); The Khan Partnership v Al-Shanfari & Al-Rawas [2017] 1 WLR 2301 (limitation, solicitors’ negligence); Cape Distribution Ltd v Cape Intermediate Holdings Ltd [2016] EWHC 1786 & [2016] EWHC 1119 (insurance); International Energy Group Ltd v Zurich [2016] AC 509 (insurance); Secretary of State for the Home Department v Raytheon Systems Ltd [2015] 1 Lloyd’s Rep 493 (IT, arbitration appeal); Abbey Forwarding (in Liquidation) v Revenue and Customs Commissioners [2015] Bus LR 882 (insolvency); The PIP Breast Implant Litigation insurance dispute (2015); The Employers’ Liability Insurance Trigger Litigation [2012] 1 WLR 867, SC (insurance); The Atomic Veterans Litigation [2012] 2 WLR 643, SC (product liability, limitation); The Miners’ Knee Litigation [2012] EWCA Civ 1380 (limitation, group litigation).


Called to Bar of England & Wales 1993 & Bar of Republic of Ireland 1998. Appointed QC 2009. Treasury Counsel (A Panel) 2006-2009. First Counsel to the Welsh Government 2013-2016. Senior Decision-Maker for Guernsey Financial Services Commission 2014-date. Deputy High Court Judge 2016-date. Bencher of Inner Temple 2018-date. Member of COMBAR Brexit Working Party 2016-2017. Director of Bar Mutual Indemnity Fund Ltd 2011 to 2016. CEDR accredited mediator. Fellow of the Royal Statistical Society 2017-date.

Consultant editor ‘The Law and Regulation of Medicines’ (2008); editor of ‘Jackson & Powell on Professional Liability’ (6th & 7th eds) and general editor of ‘Human Rights and Civil Practice’ (2001);




MA (Cantab); LLM (Osgoode, Canada); Dip. EC Law (Kings, London).

London Bar

Insurance and reinsurance

Within: Leading Silks

Leigh-Ann Mulcahy QC - Fountain Court Chambers ‘ Her legal analysis is excellent. ’

Within: Insurance and reinsurance

Fountain Court Chambers is a 'very strong set' noted for its 'intellectual rigour'. Its members are regularly instructed in high-value disputes including insurance coverage and liability work. Bermuda Form insurance coverage disputes, product and public liability insurance, professional indemnity, run-off policies, property catastrophe insurance disputes and political risks cover are also key areas of expertise. Claims arising from the financial services sector are a notable area of activity for the set. Leigh-Ann Mulcahy QC is defending AIG in Various Claimants v Giambrone & Law & AIG Europe, a complex claim for costs against an insurer non-party. Brightside Group and Brightside Insurance Services v RSM UK Audit and Paul Chase-Gardener, a £50m case brought by the Brightside group of insurance companies, is a notable case for Bankim Thanki QC who is acting for the former director.

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Product liability

Within: Leading Silks

Leigh-Ann Mulcahy QC - Fountain Court Chambers ‘ A first-class advocate and a leading silk in this field. ’

Within: Product liability

Fountain Court Chambers has a number of barristers with product liability litigation experience. The set's members have been involved in some of the largest cases in the field in recent years, including the PIP breast implant litigation, and has also advised on issues arising out of the Grenfell Tower fire.   In a victory before the Court of Appeal, Leigh-Ann Mulcahy QC successfully acted for the defendant in Goodlife Foods Ltd v Hall Fire Protection Ltd; the case concerned the alleged failure of a fire suppressant system during a fire.

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Professional negligence

Within: Leading Silks

Leigh-Ann Mulcahy QC - Fountain Court Chambers ‘ Very tenacious. ’

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