Theo’s practice is focused on commercial litigation and arbitration. He appears before domestic and international tribunals, with current and recent cases in the Supreme Court, Court of Appeal, High Court, LCIA and SIAC tribunals.
He is recognised by Legal 500 as a “rising star” in two areas: Commercial Litigation and Costs Law. He is described as “Outstanding. Smart, diligent, hard-working. Absolutely will go as deep into the subject matter as necessary to find the answers and to be prepared – excellent on his feet and in the courtroom”.
Theo has appeared in the following cases in the last year:
- Lehtimäki v Cooper  UKSC 33: the leading Supreme Court case on trust administration, charitable companies and fiduciary duties (led by Guy Morpuss QC and Professor Sarah Worthington QC).
- Glencairn v Product Specialities  EWCA Civ 609: leading Court of Appeal authority on solicitors’ duties of confidentiality to their former opponents (ole counsel at first instance and in the Court of Appeal).
- GHS v Beale, Webstorm & Ors: Multi-million pound conspiracy and copyright infringement claim in the IT sector, raising jurisdictional issues and questions of alternative service (as sole counsel).
- Beiersdorf v Aldi Stores Limited: High Court claim against a supermarket for trademark infringement in relation to lookalikes of the Nivea Sun range. Representing Nivea (led by Guy Hollingworth).
- Winlink Marketing v Liverpool Football Club  EWHC 2271 (Comm): Part of successful team in this High Court trial concerning brokers’ contracts and commission for a sponsorship agreement (led by Robert Anderson QC).
- Albion Energy Ltd v Energy Investments Global BRL  EWHC 301: dispute between a Qatari oil exploration company and an energy company (led by Guy Morpuss QC for the appeal to the Court of Appeal).
- New Balance v Liverpool Football Club  EWHC 2837: successfully acted for Liverpool Football Club in this Commercial Court trial on whether it was permitted to appoint Nike as its kit sponsor (led by Guy Morpuss QC).
- BV Nederlandse van Eiprodukten v Rembrandt  EWCA Civ 596: leading authority on the test for causation in fraud (led by Guy Morpuss QC at first instance and in the Court of Appeal).
In addition to his practice, Theo has lectured on commercial law at City University and on international law at King’s College, London. He is a regular contributor to legal journals.
Outside of Law
Theo has written about British politics for, among others, the Times, the Daily Telegraph, the Independent and the Spectator.
- His first book, Fighters and Quitters: Great Political Resignations was published by Biteback in January 2018 (Hardback) and February 2019 (Paperback). It is available here.
- He is a contributing author to The Prime Ministers: Three Hundred Years of Political Leadership (Hodder & Stoughton, November 2020). It is available here.