This document provides an overview of a session on innovation systems. It includes an agenda, mini-test, and discussions of national and regional innovation systems. For national innovation systems, it discusses concepts, the rise of research and development, and factors influencing innovation. For regional innovation systems, it uses Silicon Valley as a case study, examining its characteristics and key success factors. It also discusses an innovation cluster for Galileo and satellite navigation, including the role of key actors and status in the Netherlands.