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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...
Persistent link: https://www.econbiz.de/10010884734
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, as measured by later citations. We exploit random...
Persistent link: https://www.econbiz.de/10011275147
We study how the market for innovation affects enforcement of patent rights. Conventional wisdom associates the gains from trade with comparative advantage in manufacturing or marketing. We show that these gains imply that patent transactions should increase litigation risk. We identify a new...
Persistent link: https://www.econbiz.de/10009322505
We study how the market for innovation affects enforcement of patent rights. Conventional wisdom associates the gains from trade with comparative advantage in manufacturing or marketing. We show that these gains imply that patent transactions should increase litigation risk. We identify a new...
Persistent link: https://www.econbiz.de/10009277247
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....
Persistent link: https://www.econbiz.de/10010841194
Persistent link: https://www.econbiz.de/10010136243
Persistent link: https://www.econbiz.de/10009331433
Persistent link: https://www.econbiz.de/10008441452
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...
Persistent link: https://www.econbiz.de/10010746238
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, as measured by later citations. We exploit random...
Persistent link: https://www.econbiz.de/10010789229