Jack Thorne - McDermott Will & Emery


Jack Thorne focuses his practice on litigation and dispute resolution, advising across a broad range of domestic and international disputes, with a focus on commercial litigation and arbitration, finance litigation, and corporate insolvency. He has particular experience dealing with cross-border disputes arising out of corporate and financial transactions.

Jack advises on complex litigation at all levels of the English civil court system and has experience handling significant cases before various arbitral tribunals, including the London Court of International Arbitration, the International Chamber of Commerce, and the Hong Kong International Arbitration Centre. He primarily acts for clients in the banking, finance, private equity, advertising, and media industries but has experience in a wide range of sectors, including energy, telecoms, insurance, sports, and live events.

Jack is a recommended lawyer for Dispute Resolution (Commercial Litigation) by The Legal 500, where he is described as being “very driven and client focused” and having “an outstanding work ethic – an excellent all-round lawyer”.


  • Acting for an Irish telecommunications company in a significant damages claim against a British multi-national telecommunications company in the Competition List of the High Court, alleging breaches of statutory duty, including under competition legislation*
  • Acted for the UK’s largest debt purchase company in a c. £50 million Commercial Court claim relating to breaches of warranties contained in a share purchase agreement*
  • Acted for a Greek international financial institution in defending a c. €33 million claim brought against it in the Commercial Court concerning alleged breaches of warranties contained in a loan portfolio purchase agreement*
  • Acted for the claimant, a US investment firm, in a HKIAC arbitration concerning the enforcement of a put option in a joint venture agreement worth c. US$ 200 million*

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  • The Legal 500 UK, Recommended, 2019-2024


  • The Law Society of England & Wales
  • The London Solicitors Litigation Association


BPP Law School, LPC (Distinction), 2010
BPP Law School, GDL (Commendation), 2009
University College London, BA (First Class Hons., Dean’s List), 2008

England and Wales