Jon Turnbull

Recent Cases

• The Public Institution for Social Security v Al Rajaan & Ors (Commercial Court – ongoing)
  Currently acting as part of a large counsel team (co-led by Hugh Norbury KC) for the claimant, the Kuwaiti state pension fund, in a complex c.US$1 bn claim against multiple defendants arising out of the alleged bribery of the former Director General of the fund by a number of financial institutions and intermediaries. The trial took place between March 2025 and March 2026. Judgment is awaited.
• Arena Television & Anor v Bank of Scotland & Ors (Commercial Court – ongoing)
  Instructed (led by Lance Ashworth KC and William Day of 3VB) for the claimants in a £265m “Quincecare-type” claim arising out of an asset-based lending fraud perpetrated by the directors of the claimant companies.
• Carey Street Investments Limited (in liquidation) v Brown [2024] EWCA Civ 571 – Assisted Dan McCourt Fritz KC (as a pupil) in successfully defending an appeal against the dismissal of claims against a director and corporate services provider for alleged breaches of fiduciary duty.
• Jaffé v Greybull Capital LLP [2024] EWHC 2534 (Comm) – Assisted Thomas Elias (as a pupil) in a three-week Commercial Court fraud trial against an investment firm arising from the collapse of Monarch Airlines. The judgment involves interesting consideration of the Gestmin approach to deciding between competing recollections and the weight to be attached to contemporaneous records.
• Isbilen v Turk [2024] EWHC 505 (Ch) – Assisted Dan McCourt Fritz KC and Andrew Gurr (as a pupil) in relation to claims in fraud and undue influence arising from the misappropriation of c. £40m from a high net worth individual. In particular, assisting in relation to the trial of a successful application to commit the defendant for failure to disclose traceable proceeds pursuant to a freezing and proprietary injunction.
• Hyde v Park (2024, Supreme Court of Gibraltar) – Assisted Dan McCourt Fritz KC (as a pupil) in defending claims brought under the Fraudulent Conveyances Act 1571 in relation to transactions allegedly intended to defraud creditors.

During his time as a judicial assistant at the UK Supreme Court Jon assisted in relation to a number of cases relating to civil fraud, including:

• Byers v Saudi National Bank [2023] UKSC 51; [2024] 2 W.L.R. 237 – Assisted Lord Briggs JSC (as a judicial assistant) in relation to the landmark Supreme Court case regarding whether a claim for knowing receipt in respect of shares transferred in breach of trust could be maintained in circumstances where the claimant’s equitable interest in the shares had been extinguished by the time of receipt. Now a leading authority on knowing receipt.
• Skatteforvaltningen (Danish Customs and Tax Administration) v Solo Capital Partners LLP (In Special Administration) [2023] UKSC 40; [2023] 3 W.L.R. 886 – Assisted Lord Briggs JSC (as a judicial assistant) in relation to a Supreme Court appeal regarding the “revenue rule” in relation to claims by the Danish tax authority to recover sums paid out allegedly as a consequence of dividend tax fraud.
• Bilta (UK) Ltd (In Liquidation) v Tradition Financial Services Ltd [2023] 1 W.L.R. 2582 – Assisted (as a judicial assistant) in relation to a Permission to Appeal application from [2023] EWCA Civ 112; [2023] Ch. 343 regarding the scope of section 213 of the Insolvency Act 1986 (fraudulent trading) and limitation issues arising from claims of dishonest assistance arising from VAT carousel fraud.