We explore the tail of patented invention value distributions by using value estimates obtained directly from patent …-Maddala and log normal distributions, the log normal appears to provide the best fit to our patented invention value data. …

academic patents using German professor patents linked to patent opposition data from the European Patent Office (EPO). Patent … patent value, asymmetric information and diverging expectations between the opposition parties, the likelihood of a …

innovative performance also depends on the size of a firm's patent portfolio, which suggests an important strategic role for …

landscapes have a higher probability of in-licensing. For firms with small patent portfolios we also find a positive association … appear to depend on the size of a firm’s patent portfolio. These results suggest that the effects of fragmentation of …

output. Research units that source research ideas from small and medium-sized firms (SMEs) patent more, but not more …

patent quantity is driven by knowledge exchange rather than joint R&D. Firms engaged in joint R&D, on the other hand, receive … more forward citations per patent indicating that joint R&D enhances patent quality. In light of literature on strategic …

British biotechnology companies we have identified all patents filed at the European Patent Office (EPO). Applying hazard rate …This paper investigates how patent applications and grants held by new ventures improve their ability to attract … analysis, we find that in the presence of patent applications, VC financing occurs earlier. Our results also show that VCs pay …

This paper presents an empirical analysis of the determinants of patent litigation in Germany, based on information … analysis show that relatively valuable patents are more likely to be involved in litigation cases than the average patent … than patents which have not been opposed. Patent owner?s ability to trade patents with potential infringers and to interact …