Recent scholarly literature explains the spread of in-house research labs during the early 20th century by pointing to the information problems involved in contracting for technology. We argue that these difficulties have been overemphasized and that in fact a substantial trade in patented...

Recent scholarly literature explains the spread of in-house research labs during the early 20th century by pointing to the information problems involved in contracting for technology. We argue that these difficulties have been overemphasized and that in fact a substantial trade in patented...

A switch to a first-to-file patent regime from its first-to-invent system has become imminent for the U.S. To learn about probable effects of such a policy change, we examine a similar switch that occurred in Canada in 1989. We find that the switch failed to stimulate Canadian R&D efforts. Nor...

A switch to a first-to-file patent regime from its first-to-invent system has become imminent for the U.S. To learn about probable effects of such a policy change, we examine a similar switch that occurred in Canada in 1989. We find that the switch failed to stimulate Canadian R&D efforts. Nor...

This essay is the introduction to a book of the same title, forthcoming in summer of 2021 from Oxford University Press. 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...