Patent counts are very imperfect measures of innovative output. This paper discusses how additional data-the number of … years a patent is renewed and the number of countries in which protection for the same invention is sought - can be used to … improve on counts in studies which require a measure of the extent of innovation. A simple renewal based weighting scheme is …

, beginning with a brief history of international patent systems and facts about the current use of patents around the world. I …I survey some recent research on the role of patents in encouraging innovation and growth in developing economies … discuss research on the implications of patents for international technology transfer and domestic innovation. This is …

to the "Eco-Patent Commons", which provides royalty-free access to third parties to patented climate change related … investigate the motives of the contributing firms as well as the potential for such commons to encourage innovation and diffusion … knowledge management that combine open innovation and patenting …

. The purpose is to document the ways in which patent systems are products of battles over the economic surplus from … innovation. The features of these systems take shape as interests at different points in the production chain seek advantage in …-style patent systems with all their imperfections have come to dominate other methods of encouraging inventive activity. The essays …

on patents as an incentive for innovation, the effectiveness of patents for invention disclosure, patent valuation, and … what we know about the design of patent systems. We also look at what is known about some current policy areas, including … software and business method patents, university patenting, and the growth in patent litigation …

of the developing world introduces patent protection for new drug products. This may lead to more research on drugs to … those already offering such protection the situation offers a unique opportunity to examine the incentive role of patent … provides a baseline' against which future research activity can be compared once the new global patent regime is fully …

specifications of a rival's patent application. In contrast, in the U.S. the only way a firm learns about a rival's innovation is … Japanese patent systems. Under the Japanese system it is possible for a firm to apply for a patent knowing the exact … upon the actual granting of the rival's patent. We argue that this difference enables Japanese firms to coordinate their R …

.S. applications in three patent categories related to nanotechnology, batteries, and electricity from 2000 to 2019. Relying on the …This paper proposes a novel approach to measure disclosure in patent applications using algorithms from computational … for different source documents that patent attorneys can draw on, we confirm the relevance and usefulness of the …

We estimate the effect of patent protection on follow-on investments in corporate scientific research. We exploit a new … method for identifying an exogenous reduction in the protection a granted patent provides. Using data on public, research …-active firms between 1990 and 2015, we find that firms decrease follow-on research after a reduction in patent protection, as …

This paper presents quantitative estimates of the private value of property rights conferred by patent protection for … different technology fields and countries of ownership. The measures are derived from parametric estimation of a model of patent … renewal, using a new data set on patent renewals in France during the period 1969-1987. The results show that patent …