The document summarizes a presentation given at the UK Intellectual Property Office NESTA on measuring the benefits of public sector intangible assets. It discusses studies that have estimated the economic potential of reusing public sector information in Europe. It also describes the methodology and key results of the 2008 EU study on assessing the reuse of geographical, meteorological, and legal public sector information. Specifically, it found that legal and administrative information holders reported noticeable changes in their data policies and growing markets since 2002.