crisis has brought the optimal design of pharmaceutical patent policy to the fore. In this paper we evaluate patent policy in … the US pharmaceutical industry. We estimate the effect of patent length and scope on generic entry prior to the expiration … of new drug patents using two quasi-experimental approaches: one based on changes in patent laws and another on the …

emanating from China's economic ascent could in theory either augment or stifle U.S. innovation. Using three decades of U ….S. patents matched to corporate owners, we quantify how foreign competition affects domestic innovation. Rising import exposure … sectoral patenting trends, we find that U.S. patent production declines in sectors facing greater import competition. This …

emanating from China's economic ascent could in theory either augment or stifle U.S. innovation. Using three decades of U ….S. patents matched to corporate owners, we quantify how foreign competition affects domestic innovation. Rising import exposure … sectoral patenting trends, we find that U.S. patent production declines in sectors facing greater import competition. This …

type of independent patent claims, we show an increase in the annual share of process claims of about 25 percentage points … (from below 10% in 1920). This rise in process intensity is not limited to a few patent classes but can be observed across a … shorter than product claims; but this gap has narrowed since the 1970s. These patterns suggest that the patent breadth and …

deadweight loss associated with the patent system and discourage innovation by others. Economic efficiency is promoted if rewards … the patent system designed to spur innovation by better aligning the rewards and contributions of patent holders … the social benefits of their innovations if innovation is to be suitably rewarded and encouraged. However, this paper …