The idea that there is a tension between antitrust and the intellectual property laws is readily exaggerated. The tension that exists results mainly from our uncertainty about the optimal amount and scope of IP protection. In general, antitrust draws clearer lines than intellectual property law...

The court did not appreciate the difference between price setting in differentiated and undifferentiated markets. Herbert Hovenkamp (Univ. of Iowa)

A post-sale restraint is a condition or contract provision that operates after a good has been sold. In antitrust law these restraints are roughly divided into two classes, “intrabrand” and “interbrand.” An intrabrand restraint limits the way a firm can distribute the restricted...

The FTC has explicit antitrust authority to enforce the Clayton Act, although not the Sherman Act. More than a half century ago, however, the Supreme Court held that the FTC Act’s prohibition of “unfair methods of competition” reaches everything the Sherman Act reaches and also a...

In the American Needle case the Supreme Court will consider whether the NFL’s decision to give an exclusive trademark license to one firm should be counted as “unilateral” on the NFL’s part, or rather as the concerted joint venture activity of the NFL’s individual member teams. The...

The 1945 McCarran-Ferguson Act provides that federal legislation generally, including the antitrust laws, is “applicable to the business of insurance [only] to the extent that such business is not regulated by State law.” The statute was enacted after United States v. South Eastern...

A tying arrangement is a seller’s requirement that a customer may purchase its “tying” product only by taking its “tied” product. In a variable proportion tie the purchaser can vary the amount of the tied product. For example, a customer might purchase a single printer, but either a...

During the administration of President George W. Bush, the Antitrust Division was not enthusiastic about use of §2 of the Sherman Act to pursue anticompetitive single-firm conduct. Indeed, its most prominent contribution on the issue was the Antitrust Division’s §2 Report, which the Obama...

Antitrust law is a blunt instrument for dealing with many claims of anticompetitive standard setting. Antitrust fact finders lack the sophistication to pass judgment on the substantive merits of a standard. In any event, antitrust is not a roving mandate to question bad standards. It requires an...