based on patent abstracts and classify patent ownership using a comprehensive business registry. We highlight four insights …We study the evolution of patenting in China from 1985-2019. We use a Large Language Model to measure patent importance …. First, average patent importance declined from 2000-2010 but has increased more recently. Second, private Chinese firms …

manager-led firms are more active innovators : the share of sales based on new products is larger if firms' managers do not …

This study examines changes in block ownership for a large sample of listed and non-listed German firms. The frequency … ownership (control transfers). Such changes are more likely for firms with high leverage, while they are less likely for larger … firms and firms with high ownership concentration. Only for listed firms poor performance is related to more frequent …

This study investigates the determinants of changes in corporate ownership and firm failure, taking into account … likely to fail or to be sold when performance is poor, financial pressure is high, and firm size is small. Cross ownership … deters control changes, and ownership concentration has a non-linear impact on the likelihood of control transfer. In …

remaining career. We use European patent data for a period of 32 years for 1240 German inventors. The patent data are linked … of inventors applying for the first patent after completing education or being in the highest quartile of citations … received for the first patent. The higher career productivity seems to be a consequence of higher individual ability rather …

firms may protect their inventions by means of intellectual property rights, such as patents. By taking out a patent … functioning of the contemporary patent system. We find that patenting firms are being less confronted with imitation. The effect … of patents on the dissemination of R&D findings is, however, insignificant. Therefore, we conclude that patent …

type of independent patent claims, we show an increase in the annual share of process claims of about 25 percentage points … (from below 10% in 1920). This rise in process intensity is not limited to a few patent classes but can be observed across a … shorter than product claims; but this gap has narrowed since the 1970s. These patterns suggest that the patent breadth and …

's usefulness in estimating the share of true SEPs in firm patent portfolios for several mobile telecommunication standards. We find …