The Federal Trade Commission's Bureau of Competition enforces U.S. pro-competition laws in tandem — and at times in competition with — the Antitrust Division of the Department of Justice.  Like its DOJ cousin, the Bureau seeks to curb anticompetitive conduct, such as price-fixing and rivalry-reducing mergers.  And, more so than in the recent past, it has taken action to

DeBeers, the diamond behemoth, limited supply of and fixed prices on sparklies for years and years and in all 50 states plus the District of Columbia.  But it sold to only a small group of outfits, none of which dared sue the font of their mercantile wealth.

That didn't stop indirect purchasers from bringing cases

Plaintiffs who sue under section 1 of the Sherman Act must allege a contract, combination, or conspiracy that restrains competition.  Some kinds of conspiracies so patently harm competition that courts presume injury and call them "per se" violations.  Agreements between competitors to fix prices, not to compete for specific customers or in particular areas, and to boycott

The Robinson-Patman Act came out of the Great Depression.  It aimed to stop big department stores from using their buying power to crush mom and pop stores with lower retail prices.  But its language applied broadly, barring any substantial discrimination in price.  

Courts have tried to manage the reach of RPA by expansively applying statutory defenses, creating