Louisa Caswell > Dentons > London, England > Lawyer Profile


Work Department

Litigation and Arbitration


Louisa heads the Disputes division for Dentons in the UK. She is a leading commercial litigator with an outstanding record in big-ticket trials and complex cross-border disputes.

Louisa is known for her expertise in corporate/M&A disputes including shareholder disputes, warranty and indemnity claims, and post-completion disputes over deferred consideration and earn-outs. She also has particular experience in disputes and termination issues relating to supply contracts involving products and components, logistics and IT projects.

In her product litigation practice, Louisa acts for product manufacturers on product liability claims, product safety and compliance issues, and product recalls relating to food and drink, consumer goods, pharmaceuticals and technology, amongst others. Louisa defended GlaxoSmithKline in a landmark product liability group action relating to its antidepressant Seroxat and was involved in all stages of this long-running litigation.


Solicitor, Senior Courts of England and Wales, 2003


College of Law, 2000, Law, PgDL Law Conversion

London School of Economics and Political Science, 1992, BSc, Economics and Philosophy

Lawyer Rankings

London > Insurance > Product liability: defendant

(Leading individuals)

Louisa CaswellDentons

London > Risk advisory > Regulatory investigations and corporate crime (advice to corporates)

Dentons uses its international reach to act for clients on a global basis, with team members offering multi-jurisdictional expertise in business crime, regulatory law and investigations. The practice was bolstered by the November 2021 arrival of co-head Louisa Caswell from Addleshaw Goddard, an international disputes specialist with a strong record in SFO investigations, and the January 2022 arrival of Chris Brennan, who has deep experience in contentious financial services work. Additionally, counsel Dan Lund joined from Akin Gump LLP in December 2021, bringing significant international sanctions, trade, and AML experience. The team is co-led by Katharine Harle, who advises on financial markets and regulatory investigations, including acting for brokers in FCA proceedings.

London > Dispute resolution > Commercial litigation: premium

Following her arrival from Addleshaw Goddard in November 2021, and his return from a short spell at Walkers in March 2021, Louisa Caswell and Thomas Leyland now occupy the key leadership positions at Dentons in London; the former oversees the UK-wide disputes offering, while the latter heads up the London-based commercial litigation team. The firm is highly valued for its ‘fantastic international reach with excellence across all fields‘. Recommended practitioners range from seasoned litigator Liz Tout to ‘standout‘ senior associate Tom Hanson.