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When a litigant goes bankrupt: a checklist for the other side

A checklist for the solvent party when a litigant goes bankrupt: section 306 vesting, sufficient interest after CYK v Davis, dealing with the trustee, partnership-asset arguments and timing.

Last UpdatedAugust 2026
3 min read Litigation, Costs and Procedures
Who This Guide Is For

This guide is written for solicitors, trainees and law students in England and Wales.

Solicitors Trainees Law Students Litigation, Costs and Procedures

When a litigant goes bankrupt mid-claim, the litigation does not simply stop, and it does not simply continue either. Most causes of action vest automatically in the trustee in bankruptcy, the bankrupt may lose standing to pursue their own claim or counterclaim, and the solvent party faces a set of decisions about who it is now litigating against and how fast to act. The High Court’s decision in Cooke, Young & Keidan LLP v Davis [2026] EWHC 2093 (Ch), striking out a bankrupt co-defendant’s ยฃ20m counterclaim for want of sufficient interest, is a fresh illustration of how these rules bite. This checklist works through the steps for the other side.

Who is this guide for?

This guide is for litigators acting opposite a party who has been made bankrupt, whether that party is a claimant, a counterclaimant or one of several co-parties, and for insolvency practitioners fielding enquiries from trustees about live litigation. It concerns the bankruptcy of individuals under the Insolvency Act 1986; corporate insolvency engages different machinery and is outside its scope.

What happens to claims on bankruptcy?

On the making of a bankruptcy order, the bankrupt’s estate vests in the trustee under section 306 of the Insolvency Act 1986, and the estate includes most causes of action the bankrupt held at that date. Claims that are purely personal, principally those concerning injury to the bankrupt’s body, mind or reputation, stay with the bankrupt, and hybrid claims with both personal and proprietary elements raise well-known complications. A vested claim can only be pursued by the trustee, or by the bankrupt if the trustee assigns it back, so a bankrupt who continues litigating a vested cause of action in their own name is litigating something they no longer own.

CYK v Davis shows the consequence in practice. The bankrupt co-defendant’s counterclaim fell to be struck out unless it was a partnership asset, which would have given him an interest in a winding-up surplus after creditors were paid. The court found no arguable case to that effect, and it tested the partnership argument against what the parties had themselves pleaded years earlier, when nothing turned on it: those pleadings had consistently asserted that the lender was itself a partner in the venture, which was fatal to the late theory of a two-man partnership. His solvent co-defendant’s counterclaim continued.

The checklist

What are the common mistakes?

Sources

The primary sources are sections 306 and 436 of the Insolvency Act 1986 on legislation.gov.uk and the judgment in Cooke, Young & Keidan LLP v Davis [2026] EWHC 2093 (Ch). For the abuse-of-process strand of the same judgment, see our companion explainer on warehousing claims, and for bankruptcy petitions founded on foreign judgments see our guide to enforcing a foreign judgment in England after Drelle.

Last updated: 12 August 2026.