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 …

China has surpassed the United States in patent applications and has become world leader. Strong patenting activity … by electronics manufacturers. State-owned firms spend more on R&D per patent, but hold fewer patents per researcher than … patent holders. Furthermore, the paper examines what drives patenting activity. Higher R&D spending by the firm and higher …

We document political sentiment effects on US inventors. Democratic inventors are more likely to patent (relative to … strong among politically active partisans and are present even within firms over time. Patenting by immigrant inventors …