Katie Marquet-Horwood

Katie specialises in complex and high value commercial dispute resolution across a wide range of industry sectors, typically with an international element. She has experience of litigation before the English High Court and has a particular focus on international arbitration, acting for major UK and foreign corporations and state-owned entities.

Katie has acted on some of the most significant cases to come before the English courts in recent years, including the first case to be heard under the Shorter Trials Scheme.


Katie has a first class degree in English Language and Literature from the University of Oxford and holds a PhD in Literature.

Since qualifying at Mayer Brown International in September 2010, Katie has practised at Milbank, Tweed, Hadley & McCloy and Addleshaw Goddard, from where she joined Enyo Law in March 2019.

Reported cases include
  • First Abu Dhabi Bank PJSC v. BP Oil International Ltd. [2018] EWCA Civ 14
  • Chudley & Ors v Clydesdale Bank PLC (t/a Yorkshire Bank) [2017] EWHC 2177 (Comm)
  • AstraZeneca UK Limited v International Business Machines Corporation [2011] EWHC 306 (TCC)
  • Re Sigma Finance Corporation (in administrative receivership) [2009] UKSC 2
Other recent and noteworthy experience
  • Acting for a state-owned oil corporation in ad hoc arbitration proceedings arising out of a fraudulently procured contract, together with a section 67 jurisdictional challenge in the English Commercial Court.
  • Acting for a Puerto Rican company in LCIA arbitration proceedings against an Italian company arising out of the wrongful termination of a distribution agreement.
  • Acting in LCIA arbitration proceedings between two leading Israeli and Chinese satellite operators in relation to claims for breach of contract and misrepresentation arising out of the critical malfunction of a communications satellite.
  • Acting for a former CEO in relation to FCA and Insolvency Service proceedings arising out of one of the most high profile UK corporate collapses in recent years.
  • Acting for Rabobank in relation to the complex, multi-jurisdictional investigation of LIBOR and EURIBOR manipulation.
  • Acting for political risk insurers in two multi-million dollar LCIA arbitration proceedings concerning the Indonesian coal sector.
Professional Associations
  • ICC Young Arbitrators’ Forum
  • LCIA Young International Arbitrators Group
  • Arbitral Women

Katie Marquet-Horwood
Senior Associate
020 3837 1695
Download v-card
Qualifications & Education
  • PhD Literature, University of Nottingham
  • English Language & Literature (BA), University of Oxford
  • Law Society of England and Wales
View All Team Members

Sign up to our newsletter

manage cookies