Frank Easterbrook's 1984 article, The Limits of Antitrust, did not focus on public antitrust enforcement. Nevertheless, it expressed the kind of antitrust thinking that led the Antitrust Division of the U.S. Department of Justice, around the same time, to shift its resources to cartel...

The Antitrust Division’s Microsoft case and the Federal Trade Commission’s Intel case both rested on claims that antitrust intervention was necessary to preserve innovation in technological platforms at the heart of the personal computer. Yet, because those very platforms support markets...

Section III.E of the final judgments in the American Microsoft case requires Microsoft to make available to software developers certain communications protocols that Windows client operating systems use to interoperate with Microsoft's server operating systems. This provision has been by far the...

In 2004, the European Commission held that Microsoft had abused its dominant position under Article 82 of the European Treaty by, among other actions, refusing Sun Microsystems' request for information Sun needed to interoperate with Windows workgroup server products. The EC ordered Microsoft to...

An important provision in each of the final judgments in the government's Microsoft antitrust case requires Microsoft "make available" to software developers the communications protocols that Windows client operating systems use to interoperate "natively" (that is, without adding software) with...

The United States Department of Justice (“DOJ”) and three overlapping groups of states have filed federal antitrust cases alleging Google has monopolized internet search, search advertising, internet advertising technologies, and app distribution on Android phones. In this Article, we focus...