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 …

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 …

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 …

distribution of patent races by technology, evidence for strategic delay of innovation by incumbent firms, and evidence that patent …The U.S. Patent and Trademark Office resolves patent priority disputes in patent interference cases. Using a random … sample of cases declared between 1988 and 1994, we establish a connection between patent interferences and patent races, and …

criteria of novelty or non-obviousness. In recent decades, many jurisdictions introduced patent reforms to avoid weak patent … applications and improve legal patent quality. In particular, the Leahy-Smith America Invents Act (AIA), enacted into law in 2011 … any third party to question granted patents, possibly leading to patent revocation or scope reduction. This paper aims to …

’s PHOSITA standard. The second principle holds that patent breadth should be chosen to balance the benefits of innovation … modern patent law. But economic theory has moved on. Since the 1990s, legal scholars have repeatedly mined the discipline to … literature’s broader lessons for doctrine. This article asks how well today’s patent doctrine follows and occasionally departs …

between imitation and innovation. Using US patent data for the period 1977-2005, we find that there are inverted U …-shaped relationships between the degree of industry-level technological imitation and industry-level innovation activities and between the … degree of industry-level technological imitation and the value of firm-level innovation. Our results suggest that positive …

increased innovation in financial services? To address this question we construct new indicators of R&D intensity based on the … intensity. Looking ahead, three factors suggest the patent system may affect financial services as it has electronics: (1) the …

In previous work with Mark Lemley I have discussed the critical role played by the courts in fitting patent law to the … ongoing needs of innovation. Careful scrutiny of the recently enacted America Invents Act (AIA), which legislatively reforms … American patent law, underscores the need for robust judicial involvement in fostering a healthy patent system. In many …