This Practice Note, produced in partnership with Thomas Robinson KC and Zihang Liu of Wilberforce Chambers, discusses an office-holder’s liability for adverse costs in litigation, more particularly the general position if an office-holder is a claimant or a defendant in litigation, the office-holder’s right of recoupment from the insolvent estate, the costs consequences on discontinuance of a claim, the priority of any adverse costs order, the personal liability of office-holders for adverse costs and security for costs.