This Article presents the first in a series of studies of stock market reactions to the legal outcomes of patent cases …. From a sample of patents litigated during a 20-year period, we estimate market reactions to patent litigation decisions and … to patent grants. These estimates reveal that the resolution of legal uncertainty over patent validity and patent …

On the heels of a widely reported uptick in egregious patent enforcement, six patent reform bills have been introduced … in the last six months. All six bills aim to curb nuisance-value patent litigation, a phenomenon popularly referred to as … “patent trolling,” by reducing the cost of defending these suits. In this essay, we argue that these bills, while admirable …

We compare patent litigation cases across four European jurisdictions – Germany, France, the Netherlands, and the UK … information at the case, litigant, and patent level for patent cases filed at the major courts in the four jurisdictions. We find …

The theory of patent “hold-out” posits that frictions in the market for licensing standard-essential patents (SEPs … patent quality; however, we find no evidence associating pre- or in-litigation hold-out with the international breadth of SEP …

We analyze the extent to which private defensive litigation insurance deters patent assertion by non …-practicing entities (NPEs). We study the effect that a patent-specific defensive insurance product, offered by a leading litigation … defensive litigation insurance on the behavior of patent enforcers and accused infringers. We show that the availability of …

invention (through patents) and the clinical trials data submitted for market approval (through data exclusivity). Patent … market exclusivity on the likelihood of drug commercialization. The effect is largely driven by patent invalidations early in …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the … patent universe in its technological and economic variety. We introduce a novel instrumental variable for patent invalidation … that exploits personnel scarcity in post-grant opposition at the European Patent Office. We find that patent invalidation …

An extensive literature exists regarding the patent disclosure and licensing commitments made by participants in … the U.S. patent assertion events for seven major standards (GSM, USB, 802.11, Bluetooth, UMTS, H.264, LTE). More …

This is an Online Appendix to accompany: “Troll” Check? A Proposal for Administrative Review of Patent Litigation …

Patent Office exercises regularly and effectively: technology classification. This agency-court asymmetry has persisted for … decades but has now become unmanageably problematic for two related reasons. First, Supreme Court guidance, patent reform … legislation, and academic commentary have all broadly rejected long-standing patent exceptionalism in administrative law, while …