avoid patent litigation. In this paper I study the previously neglected dynamic trade-off between litigating and cross … patent litigation reform …

Cumulative innovation is central to economic growth. Do patent rights facilitate or impede such follow-on innovation …? This paper studies the causal effect of removing patent protection through court invalidation on subsequent research … related to the focal patent, as measured by later citations. We exploit random allocation of judges at the U.S. Court of …

Cumulative innovation is central to economic growth. Do patent rights facilitate or impede follow-on innovation? We … study the causal effect of removing patent rights by court invalidation on subsequent research related to the focal patent … Circuit to control for endogeneity of patent invalidation. Patent invalidation leads to a 50 percent increase in citations to …

Cumulative innovation is central to economic growth. Do patent rights facilitate or impede follow-on innovation? We … study the causal effect of removing patent rights by court invalidation on subsequent research related to the focal patent … Circuit to control for endogeneity of patent invalidation. Patent invalidation leads to a 50 percent increase in citations to …