Maud Mullan
Call: 2023
Practice Overview
Maud accepts instructions across all of Chambers’ core practice areas, including commercial litigation and international arbitration.
Maud has experience acting as junior counsel in the High Court and Court of Appeal, and as sole counsel in the County Court and High Court. She is currently co-authoring a chapter on payment services and foreign exchange in the forthcoming 5th edition of Banking Litigation.
Her recent instructions include:
- Crane Bank v dfcu Bank: One of The Lawyer’s “Top 20 Cases for 2026”. A high value civil fraud claim relating to a major banking transaction in Uganda. Acting for four of the defendants, led by Georges Chalfoun.
- Acting for the Russian Federation in its resistance to two sets of ongoing enforcement proceedings relating to investment treaty awards: Hulley v Russia (led by Vernon Flynn KC, Mark Wassouf and Cameron Miles), where the 2025 Court of Appeal judgment ([2025] EWCA Civ 108) is the leading authority on state immunity and issue estoppel; and Yukos Capital v Russia (led by Mark Wassouf and Cameron Miles).
- Apollo XI Ltd v Nexedge Markets Ltd: acting for a CFD broker in an ongoing dispute against a lender, bringing Part 20 claims in conspiracy, malicious prosecution, and breach of confidence (led by William Day).
Arbitration & Enforcement
- Hulley v Russia [2025] EWCA Civ 108 and [2026] EWHC 456 (Comm): Acting for the Russian Federation in its resistance to ongoing enforcement proceedings of an investment treaty award before the Commercial Court (led by Vernon Flynn KC, Mark Wassouf and Cameron Miles). These proceedings are ongoing. The 2025 Court of Appeal judgment is the leading authority on state immunity and issue estoppel, and the 2026 Commercial Court judgment addressed Russia’s case that the arbitral award should not be enforced in England because of fraud in the underlying arbitration.
- Yukos Capital v Russia ([2026] EWHC 1918 (Comm)): Acting for the Russian Federation in resisting ongoing enforcement proceedings relating to an investment treaty award (led by Mark Wassouf and Cameron Miles). Successfully resisted the claimant’s application that the Court determine Russia’s state immunity on the basis of an issue estoppel arising from a judgment of the Swiss Courts.
- Acting in an arbitration under the ICC Rules for a creditor company seeking to recover an unpaid loan (as sole counsel).
Banking & Financial Services
- Crane Bank v dfcu Bank: One of The Lawyer’s “Top 20 Cases for 2026”. A high value civil fraud claim relating to a major banking transaction in Uganda. Acting for four of the defendants, led by Georges Chalfoun.
- Apollo XI v Nexedge Markets [2025] EWHC 1488 (KB) and [2026] EWHC 2240 (Comm): acting for a CFD broker in a dispute with a lender, including obtaining a discharge of a freezing injunction at the return date; and and recovering loan to affiliate CFD broker (Nexedge Markets v Trex Global [2025] EWHC 3425 (Comm)) (led by William Day).
- Acted for the FCA in successfully resisting an asset manager’s application for permission to seek judicial review of an FCA Final Notice.
- Appeared in the County Court on behalf of a defendant bank, resisting a claimant customer’s application for permission to appeal a strike out order (as sole counsel).
- Appeared as sole counsel on behalf of major banks in several County Court cases related to payment protection insurance and secret commissions.
- Harvey v Santander UK plc [2023] EWHC 2947 (KB): assisted with preparation for an injunction hearing in the High Court, where the defendant bank was resisting an application by a customer to release a frozen bank account (as a pupil).
Civil Fraud
- Apollo XI Ltd v Nexedge Markets Ltd [2025] EWHC 1488 (KB) and [2026] EWHC 2240 (Comm): acting for a CFD broker in an ongoing dispute against a lender, bringing Part 20 claims in conspiracy, malicious prosecution, and breach of confidence (led by William Day).
- Crane Bank v dfcu Bank: One of The Lawyer’s “Top 20 Cases for 2026”. A high value civil fraud claim relating to a major banking transaction in Uganda. The claimants bring conspiracy claims against a large number of defendants. Acting for four of the defendants, led by Georges Chalfoun. This case is ongoing.
- Harrington & Charles Trading v Mehta: acted at the disclosure stages for claimant companies seeking recover the proceeds of 1.2 billion fraud in relation to a precious metals facility advanced by a consortium of Indian banks.
- Acted for the former directors of a company resisting a high court application for pre-action disclosure by the company, where the company stated that the disclosure was sought to support claims in conspiracy and deceit (as sole counsel).
- Advised the shareholders of a company on the merits of a claim by the company against a lender for causing loss by unlawful means, where the unlawful means were fraudulent misrepresentations made by the lender to potential investors in the company (led by senior counsel).
Commercial Dispute Resolution
- Apollo XI v Nexedge Markets [2025] EWHC 1488 (KB) and [2026] EWHC 2240 (Comm): acting for a CFD broker in a dispute with a lender, including successfully obtaining a discharge of a freezing injunction at the return date, and obtaining permission for an inquiry into damages (led by William Day).
- Appeared as sole counsel in the Circuit Commercial Court, resisting an application by a director of a company for pre-action disclosure against two former directors of the same company.
- Advised on the merits of an urgent application for delivery up of goods, following the breakdown of a warehousing agreement between two companies (as sole counsel).
- Appeared in the County Court in a successful strike out application, where the Court dismissed discrimination and harassment claims brought by a customer against a company (as sole counsel).
- Acting in the County Court for a pension scheme provider, successfully obtaining set aside of a default judgment obtained by a litigant in person (as sole counsel).





