Antitrust is back in vogue at the U.S. Supreme Court. Whereas the Rehnquist Court decided few antitrust cases in its latter years (only one from 1993 to 1995, one each year from 1996 through 1999, and none from 2000 to 2003), the Roberts Court issued seven antitrust decisions in its first two...

Stock trading on the basis of material, nonpublic information (insider trading) is a “mixed bag” in that it can create both social harms and social benefits. Attempts to regulate such mixed bag business practices may err in two directions: They may wrongly permit or encourage socially...

The battle over the proper legal treatment of minimum resale price maintenance (RPM) continues to rage in the United States. While the U.S. Supreme Court's 2007 Leegin decision abrogated the per se rule of the 1911 Dr. Miles decision and required that RPM be evaluated under antitrust's Rule of...

Unreasonably exclusionary conduct, the element common to monopolization and attempted monopolization offenses under Section 2 of the Sherman Act, remains essentially undefined. Federal courts, including the U.S. Supreme Court, have purported to define the term, but the definitions they have...

In Leegin Creative Leather Prods., Inc. v. PSKS, Inc., decided in 2007, the U.S. Supreme Court overruled its 1911 precedent declaring vertical minimum resale price maintenance (RPM) to be per se illegal. The Leegin Court held that the practice should instead be examined on a case-by-case basis...