Causation is one of the most underexplored areas in antitrust law. What must a plaintiff show to connect a defendant’s conduct with anticompetitive effects? Several tests are possible, including “but for” causation, proximate cause, sole causation, reasonable connection, and increased...

Climate change is one of the most important issues of the twenty-first century. With the Earth’s fate literally hanging in the balance, observers increasingly recognize the fragility of the planet’s ecosystem. Rising temperatures, hurricanes, floods, wildfires, droughts, tropical storms, and...

Is antitrust law up to the task of addressing the "New Economy"? That is the question many have asked in recent years. And that is one of the key questions addressed by the Antitrust Modernization Commission ("AMC"), a commission that Congress established in 2002 "to examine whether the need...

Pharmaceutical antitrust law is hard. When drug companies delay generic entry, is that beneficial “life-cycle management”? Or is it unjustified anti-competitive behavior? The question arises in multiple settings, including patent settlements by which brand firms pay generics to delay...

The pharmaceutical industry is unique in its complexity. Markets are nuanced. Multiple regulatory regimes apply. Generic entry is an event with dramatic consequences. These characteristics have encouraged brand-name drug firms to engage in an array of conduct that exploits this complexity to...

As CEO of Turing Pharmaceuticals, Martin Shkreli made worldwide headlines by obtaining marketing rights to pyrimethamine (Daraprim) and quickly increasing the price 5000 percent, from $13.50 to $750 per pill. In addition to increasing price, Turing initiated another less widely appreciated move...

Rising drug prices are in the news. By increasing price, drug companies have placed vital, even life-saving, medicines out of the reach of consumers. In a recent development, brand firms have prevented generics even from entering the market. The ruse for this strategy involves risk-management...

In FTC v. Actavis, the Supreme Court held that a brand payment to a generic to delay entering the market could have "significant anticompetitive effects" and violate the antitrust laws. In a narrow, formalistic ruling, the court in In re Lamictal held that such payments were limited to cash. On...