software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and … the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We develop a …

software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and … the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We develop a …

This paper studies how patent rights and price regulation affect how fast new drugs are launched in different countries … duration and content of patent and price control regimes. Price regulation strongly delays launch, while longer and more … extensive patent protection accelerates it. Health policy institutions, and economic and demographic factors that make markets …

We study how fragmentation of patent rights (‘patent thickets’) and the formation of the Court of Appeal for the … Federal Circuit (CAFC) affected the duration of patent disputes, and thus the speed of technology diffusion through licensing …. We develop a model of patent litigation which predicts faster settlement agreements when patent rights are fragmented and …

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