This report presents data on the number, nature and costs of public sector medical indemnity claims for 2005-06 to 2009-10, with a focus on 2009-10 claims. There were more new claims in 2009-10 (1,620) than in any of the three previous years (about 1,130 to 1,270 claims per year). As in previous years, the three health services most often implicated were Emergency department, General surgery and Obstetrics.