identifies a number of specific fact patterns under which the current U.S. patent system allows patent holders to capture private … deadweight loss associated with the patent system and discourage innovation by others. Economic efficiency is promoted if rewards … to patent holders are aligned with and do not exceed their social contributions. This paper analyzes two major reforms to …

patent citation data, using same-MSA and co-ethnicity as proxies for spatial and social proximity, respectively, to estimate …

commercially oriented? Using a Herfindahl-type measure of patent assignee concentration and employing a difference …

Patent protection spurs innovation by raising the rewards for research, but it usually results in less desirable … patent monopoly, competitive firms may engage in inefficient levels of non-price competition -- such as marketing -- when … these activities confer benefits on competitors. Patent monopolies may thus price less efficiently, but market more …

patent quality, and other factors, we find that a 10% increase in the number of patents relevant to market reduces the rate …s. However, potential entrants with patent applications relevant to a market are more likely to enter it. Finally …

detailed data on inventors contained in patents, and harness it for economic research. Patent data has long been used in … "John Smith" problem). Given that there are over 2 million patents with 2 inventors per patent on average, the "who is who …-inventors, etc. Forty percent of them have more than one patent, and 70,000 have more than 10 patents. We can trace those multiple …