Previously posted on SSRN.

Abstract

Legislators and industry leaders claim that patent strength in the United States has declined, causing firms to innovate in foreign countries. However, scholarship has largely dismissed the theory that foreign patents have any effect on where firms invent, considering that patent law is bound by strict territorial limitations (as a result, one cannot strengthen their patent protection by innovating abroad). In essence, then, industry leaders are deeply divided from scholarship about whether innovative firms seek out jurisdictions offering stronger patent rights, affecting the rate of innovation.

To resolve this puzzle, we offer a novel theory of patent rights — which we empirically test — to dispel the positions taken by both scholarship and industry leaders. Since technology is generally developed in one country, the innovation process exposes the typical inventor to infringement claims only in that jurisdiction. In turn, we demonstrate that inventors have powerful, counterintuitive incentives to develop technology where patent rights are weaker and enforcement is cheaper. Given that it typically costs more to defend a patent infringement claim in the United States than to lose one in another country (the cost to litigate a patent in the United States averages around $3.5 million and royalty awards have surpassed $2.5 billion), our empirical research contributes to the theoretical understanding of patent rights by shedding new light on the important, yet largely dismissed, dimension of where innovation takes place.

We received invaluable support from international research organizations and patent attorneys working for top-tier law firms. Notably, the Global IP Project, which is a multinational research group spearheaded by the leading global intellectual property (“IP”) law firm, Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, as well as Darts-ip, an international organization dedicated to the study of global IP litigation, provided proprietary data, enabling us to explore whether firms optimize value by placing research and innovation in countries with “better” patent laws. To verify our models, we interviewed notable patent attorneys practicing in the United States, Europe, and Asia.

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