harmful for innovation and if so, whether compulsory licensing can provide an effective remedy. The consent decree settled an … to license all its existing patents royalty-free. The compulsory licensing increased follow-on innovation building on … Bell patents by 17%. This effect is driven mainly by young and small companies. Yet, innovation increased only outside the …

We study the causal impact of invalidating marginally valid patents during post-grant opposition at the European Patent … participation of a patent’s original examiner in the opposition division as an instrument. We find a disciplinary effect of … invalidation: Affected inventors file 20% fewer patent applications in the decade after the decision. This effect is entirely …

We investigate how international patent activity enables firms from emerging economies to thrive in the global … marketplace. We match Chinese customs data to US patent records, and leverage the quasi-random assignment of USPTO patent … examiners to identify the causal effect of a US patent grant on the subsequent export performance of Chinese firms. Successful …

This paper provides a first comprehensive quantitative analysis of optimal patent policy in the global economy. We … application delivers three main results. First, the potential gains from international cooperation over patent policies are large …

populated by two types of firms: innovators who generate new and more productive capital goods, and entrepreneurs who employ … labor and capital goods to produce consumption goods. A key ingredient of the model is the assumption that the entrepreneurs … inverse U-shaped relationship between patent strength and growth: moderate levels of patent protection can stimulate growth …

own innovation. The analysis predicts that the willingness to enforce IPR is U-shaped in a country GDP: small … enforcement of IPR yields a higher level of innovation and global welfare only if the developing country does not innovate. A …

. Domestic innovation is measured as citation-weighted domestic patents filed at the European Patent Office (EPO): to account for … to patent at the EPO. Results show that, in the short-run, IPR stimulate innovation. The effect for developing countries …This paper analyses the causal impact of Intellectual Property Rights (IPR) on pharmaceutical innovation in a panel of …

explain them. We then describe a theoretical framework of endogenous markups, innovation, and competition that can potentially …