Year of call: 2016
E: wday@3vb.com

Email the Practice Managers:

JuniorsPMs@3vb.com

Data Protection Notice

William’s practice is in commercial litigation and arbitration. He has experience in commercial fraud, banking and finance disputes, and company law and insolvency matters. He has also been involved in cases raising jurisdiction and choice of law issues.

Current instructions include: acting in an LCIA arbitration for a claimant seeking damages for breach of restrictive covenants; acting for administrators of an insolvent insurance undertaking seeking court directions to make distributions to creditors; and acting for the liquidators of private equity fund vehicles in applications to assist their investigations into the funds’ investments.

William was previously a solicitor at Allen & Overy, where he worked on a range of commercial disputes with an emphasis on banking and finance litigation. He has also acted as a judicial assistant in the Chancery Division and has been seconded to the in-house litigation team at Credit Suisse.

He has appeared as counsel in the County Court, the High Court and arbitral tribunals. As a former solicitor, he also has experience of appeals to the Court of Appeal, Financial Conduct Authority enforcement actions, and proceedings before the Hearings Committee of the Takeover Panel.

Alongside practice, William is a Bye-Fellow of Downing College, Cambridge. He teaches commercial and contract law. He has published a number of articles and notes in the Cambridge Law Journal, the Law Quarterly Review and the Lloyd’s Maritime and Commercial Law Quarterly on a range of commercial law subjects. His published work has been cited by the Commercial Court and the Scottish Law Commission.


William is regularly instructed to act in commercial disputes. Experience includes:

  • LCIA Arbitration (2018) – acting for claimant in c£9m damages claim for breach of SPA restrictive covenants.
  • Super-Max Offshore Holdings v Malhotra – as a pupil assisting Philip Hinks, in contractual dispute between majority shareholder and minority private equity investor ([2017] EWHC 3246 (Comm)).
  • Peak Hotels v Tarek Investments – as judicial assistant to Henderson J, a heavy security for costs application as part of proceedings over ownership and control of luxury hotel group ([2015] EWHC 386 (Ch)).
  • The High Commissioner for Pakistan v National Westminster Bank – as judicial assistant to Henderson J, an application to set aside a notice of discontinuance in the context of sovereign immunity issues ([2015] EWHC 55 (Ch)).

William had a wide-ranging experience of commercial fraud cases during pupillage, including:

  • CMOC Sales and Marketing Ltd v Persons Unknown – as a pupil assisting Philip Hinks, in claim by corporate victim of c$10m cyber fraud against persons unknown, including various applications for freezing injunctions ([2018] EWHC 2230 (Comm)).
  • Gulf Air v One Inflight – as a pupil assisting Peter de Verneuil Smith, in return date hearing for freezing interim injunction in a commercial fraud claim, seeking a variation or declaration in respect of business expenses (2018).
  • Volkswagen Diesel Emissions Class Action – as a pupil assisting Adam Kramer, in class action civil fraud claim against car manufacturer ([2018] EWHC 2308 (QB)).

William has particular experience in banking and finance litigation from his time as a solicitor at Allen & Overy, in addition to during his work during pupillage. He has also been seconded to the in-house litigation team at an investment bank. Experience includes:

  • Sixteenth Ocean GMBH & Co KG v Societe Generale – as a pupil assisting Peter de Verneuil Smith, in unjust enrichment summary judgment application in respect of sums paid under an interest rate swap subject to Iranian sanctions ([2018] EWHC 1731 (Comm)).
  • Portland Stone Firms v Barclays Bank and KMPG – as a pupil assisting Adam Kramer, defending bank against claims arising out of restructuring of a commercial loan ([2018] EWHC 2341 (QB))
  • Marme Inversiones v RBS and others – at Allen & Overy, acting for the second to fifth defendants in c€700m interest rate swaps EURIBOR manipulation claims (see, e.g., [2016] EWHC 1920 (Comm))
  • Credit Suisse Asset Management v Titan 2006-1 – at Allen & Overy, acting for defendant cash manager and agent bank in securitisation note interpretation dispute ([2016] EHWC 969 (Ch) and [2016] EWCA 1293)
  • Metlife v JP Morgan Chase Bank – at Allen & Overy, acting for the defendant bank in inflation-linked bond interpretation dispute ([2015] EWHC 463 (Comm) and [2016] EWCA Civ 1248)

William’s experience encompasses liquidations, administrations and personal bankruptcies. As a pupil he assisted members of Chambers in a range of corporate and insolvency matters, including applications to reverse transactions at an undervalue, and to access a company’s register of members. Instructions include:

  • Re Core VCT plc, Core VCT IV plc and Core VCT V plc – acting for liquidators of private equity fund vehicles in applications under sections 234 to 236 of the Insolvency Act 1986, and resisting counter-applications under sections 108 and 171.
  • Re Mediterranean Insurance and Reinsurance Ltd – acting for administrators of an insolvent insurance undertaking seeking court directions to make distributions to creditors.
  • Re Asia Resource Minerals plc (PS 2015/15) – at Allen & Overy, acting for an investment bank in respect of Takeover Panel proceedings over a concert party reverse takeover.

William has a particular interest in the conflict of laws. He won the John Morris Prize for best performance in the subject in his postgraduate studies at Oxford, and has also published in the area issues. Experience includes:

  • LCIA Arbitration (2018) – as a pupil assisting Adam Kramer, in an arbitral hearing on issue of alleged illegality in place of contractual performance (the ‘Ralli Bros’ rule).
  • BNP Paribas v Trattamento Rifiuti Metropolitani – as a pupil assisting Adrian Beltrami QC and Christopher Bond, in jurisdiction challenge based on scope of competing choice of court agreements ([2018] EWHC 1670 (Comm)).
  • Marme Inversiones v RBS and others – at Allen & Overy, acting for the second to fifth defendants in jurisdiction challenge involving lis pendens and interface between the Brussels Regulation and the Insolvency Regulation ([2016] EWHC 1570 (Comm)).
  • Plaza v Law Debenture – as judicial assistant to Proudman J, a jurisdiction challenge involving reflexive effect of provisions of the Brussels Regulation ([2015] EWHC 43 (Ch)).

‘A mistaken turn in the law of contractual misrepresentation’ (forthcoming) (with Professor Paul Davies)

‘Restitution for wrongs: one step forward, two steps back? [2018] RLR (forthcoming)

'Jurisdictional Gateways in the CPR' (2018) 77 CLJ  36 – 39

‘“Lawful act” duress’ (2018) 134 LQR 5 – 10 (with Professor Paul Davies)

‘Restitution for wrongs: one step in the right direction?’ (2017) 133 LQR 384 – 389

‘“At the expense of” in unjust enrichment: causal, direct or intentional transfers of value?’ [2017] LMCLQ 588 – 605

‘Against necessity as a ground for restitution’ [2016] RLR 26 – 46

‘A pyrrhic victory for the doctrine against penalties’ [2016] JBL 115 – 127

‘Attributing illegalities’ (2015) 74 CLJ 409 – 412

‘An application of Wrotham Park damages’ (2015) 131 LQR 218 – 223

‘Skirting around the issue: the corporate veil after Prest v Petrodel’ [2014] LMCLQ 269 – 296

‘Taking balance-sheet insolvency beyond the point of no return’ (2013) 72 CLJ 515 – 518

BCL, Trinity College, Oxford (Distinction)

John Morris Prize in the Conflict of Laws; 3 Verulam Buildings Prize for Legal Concepts in Financial Law

MA (Law), Downing College, Cambridge (Double First)

Platt Prize for Especial Distinction in University Examinations (graduating in the top 2.5% of the class list); Senior Jarvis Scholar, Foundation Scholar; Harris Scholar; Rebecca Flower Squire Scholarship

BA (History), St Cuthbert’s Society, Durham (First)

Gibson Prize in History; Norton Burns Prize for Outstanding Academic Achievement

Commercial Bar Association

Commercial Fraud Lawyers Association

Inner Temple

Society of Legal Scholars