Jon is an economic expert at the intersection of intellectual property, competition law and international trade. He regularly testifies in large-scale intellectual property litigation; notable cases include: Apple v. Qualcomm; Idenix v. Gilead Sciences; Huawei v. Ericsson; Power Integrations v. Fairchild; InterDigital v. Samsung; and Skyhook v. Google. He served as professor of the law and economics of intellectual property at the University of Toronto, and previously held academic appointments at Vassar, Columbia, Yale and Boston University. Recent papers include Value Shares of Technologically Complex Products (2014); The Smallest Salable Patent-Practicing Unit (SSPPU): Theory and Evidence (with T. Williams) (2017); and Economic Determinations in FRAND Rate-Setting: A Guide for the Perplexed (2018).