Monday, January 27, 2014


Michael J. Mazzeo, Kellogg School of Management, Northwestern University, Jonathan Hillel Skadden, Arps, Slate, Meagher & Flom LLP and Samantha Zyontz Harvard University ask DO NPEs MATTER? NON-PRACTICING ENTITIES AND PATENT LITIGATION OUTCOMES.

ABSTRACT: It is widely argued that so-called “patent trolls” are corrupting the U.S. patent system and endangering technology innovation and commercialization at large. For example, a recent White House report argued that “trolls” hurt firms of all sizes and advocated for specific policies aimed at curtailing practices thought to be particularly harmful. Yet the existence and extent of any systematic effects of so-called “troll-like” behavior, and the implications of modern patent assertion practices by Non-Practicing Entities (“NPEs”), remains unclear. This article develops novel empirical evidence to inform the debate over NPEs on patent litigation. Specifically, we conduct a large-scale empirical analysis of more than 1,750 patent infringement cases decided by a judge or jury in U.S. district courts between 1995 and 2011. We focus on case outcomes, including findings of validity and infringement, and the distributions and values of resulting damage awards. We find some relatively small differences in terms of lower success rates and award values in cases where the patent holders are NPEs. Yet across the subset of cases in which damages are awarded to the patent holders, we find no significant differences in the distribution of awards between NPEs and practicing entities. Nonetheless, there are substantial differences in litigation behavior, success rates, and award values among types of NPEs (that is, universities, individuals, and Patent Assertion Entities (“PAEs”)). Moreover, we find evidence of certain NPEs engaging in strategic and rational patent acquisition, assertion, and settlement-licensing practices. We posit that these practices may reflect, or perhaps derive from, the economic separation of patent rights from their underlying technologies that is represented in NPE approaches to patent assertion.

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