Litigation is increasing year on year with an estimated cost of £1.95B in 2017/18, across the whole spectre of NHS care (NHS Resolution, 2017a), with wound prevention and management accounting for some of these costs. Becoming an expert witness can allow healthcare professionals to improve their own practice, particularly in relation to documentation. Shared learning in wound prevention and management can also improve practice and safety for patients. This article discusses the role of the expert witness, and the themes identified in failures regarding wound prevention and management whilst undertaking medico-legal work.