Patent Assertion and U.S. Innovation
Suits brought by [patent assertion entities, or "patent trolls"] have tripled in just the last two years, rising from 29 percent of all infringement suits to 62 percent of all [...]
The Importance (or not) of Patents to UK Firms
A surprisingly small number of innovative firms use the patent system. In the UK, the share of firms patenting among those reporting that they have innovated is about 4%. Survey [...]
Keynote Address: Is It Time To Abolish The Federal Circuit’s Exclusive Jurisdiction in Patent Cases?
The argument in favor of a specialized court for patent appeals is that this is an area where an expert court is particularly beneficial. But that proposition is contestable from [...]
Pharmaceutical Followers
We estimate a model of drug demand and supply that incorporates insurance, advertising, and competition between branded and generic drugs within and across therapeutic classes. We use data on antiulcer [...]
Patent Value and Citations: Creative Destruction or Strategic Disruption?
Prior work suggests that more valuable patents are cited more and this view has become standard in the empirical innovation literature. Using an NPE-derived dataset with patent-specific revenues we find [...]
Regulation of the Pharmaceutical-Biotechnology Industry
Pharmaceuticals and human biologic products (referred to below as "pharmaceuticals") are regulated in virtually all aspects of the product life-cycle: safety, efficacy and manufacturing quality as a condition for market [...]
Specialty drug prices and utilization after loss of U.S. patent exclusivity, 2001-2007
We examine the impact of loss of U.S. patent exclusivity (LOE) on the prices and utilization of specialty drugs between 2001 and 2007. We limit our empirical cohort to drugs [...]
Patent Trolls and Technology Diffusion: The Case of Medical Imaging
Patent-assertion entities, sometimes known as `patent trolls,' do not manufacture goods themselves but profit from licensing agreements that they often enforce via the threat of litigation. This paper explores empirically [...]
The Evidence is In: Patent Trolls Do Hurt Innovation
Research shows that patent trolls cost defendant firms $29 billion per year in direct out-of-pocket costs; in aggregate, patent litigation destroys over $60 billion in firm wealth each year. While [...]
Defend Innovation: How to Fix Our Broken Patent System
With roughly 400,000 software patents in force today it has become virtually impossible, as a practical matter, for entrepreneurs and engineers to avoid stepping on some purported inventor’s toes, no [...]