This chapter summarizes the basic characteristics of patent data as an innovation indicator and reviews some of the … recent research using patent data, focusing on major developments since Griliches in 1990 [Griliches, Z. (1990). “Patent … availability of patent data on an increasingly global scale and the accompanying global spread of research using patent data. The …

Based on patent data and industry specific energy prices for 18 OECD countries over 30 years we investigate on an …

We investigate incidence and evolution of patent thickets. Our empirical analysis is based on a theoretical model of … patenting in complex and discrete technologies. The model captures how competition for patent portfolios and complementarity of … patent thickets is introduced. European patent citations are used to construct measures of fragmentation and technological …

impact of internal and external knowledge pools of both green and other than green technologies on green patent activities …. It turned out that the internal green knowledge stock is positively related to green patent activities with a … countries are also positively related with industries' green patent activities, although with a significantly lower marginal …