The Hatch-Waxman Act regulates competition between brand-name and generic drugs in the United States. We examine a feature of the Act that has attracted great controversy but little systematic attention. “Paragraph IV” challenges are a mechanism for generic drug makers to challenge the...

This survey provides a detailed account of patent settlements reached between brand-name drug companies and their generic rivals over the past fourteen years, and the antitrust suits and investigations initiated in response. Thirty settlements of patent litigation involving twenty drugs fall...

Over the past decade, drug makers have settled patent litigation by making large payments to potential rivals who, in turn, abandon suits that (if successful) would increase competition. Because such "pay-for-delay" settlements postpone the possibility of competitive entry, they have attracted...

This essay considers antitrust objections to recent settlements of intellectual property litigation. Part I examines the Google Book Search settlement, which resolves a copyright dispute between Google and a class of authors and publishers, including the creators of so-called orphan works. It...