supplemental information on IP litigation and patent portfolios. The rich survey information regarding firms’ general innovation …We contribute to the economic literature on patent litigation by taking a new perspective. In the past, scholars mostly … focused on specific litigation cases at the patent level and related technological characteristics to the event of litigation …

firms may protect their inventions by means of intellectual property rights, such as patents. By taking out a patent … of patents on the dissemination of R&D findings is, however, insignificant. Therefore, we conclude that patent …From a firm’s perspective two competing forces are driving the decision to invest in innovation. On the one hand …

. In 2002, Germany transferred patent rights from faculty members to their universities. To identify the effect on the …