Volvo North Amer. Corp. v. Men’s Int'l Professional Tennis Council (MIPTC)

Volvo, ProServ, and IMG (plaintiffs), sponsors and producers of tennis events, sued the Men's International Professional Tennis Council (defendant), alleging it used Commitment Agreements and other rules to cartelize the market for men's professional tennis, limiting competitive opportunities in site selection, player compensation, and scheduling for tournaments the Council did not sanction.

Whether a plaintiff alleging a group boycott must show that the defendant intended to restrain competition or expand a monopoly, and that the defendant acted coercively toward that end.