Even in a climate of increased cooperation among regulatory authorities, jurisdictional conflict remains a prominent aspect of cross-border antitrust regulation. Much of this conflict is generated by private litigation - that is, lawsuits initiated under U.S. antitrust law by private attorneys...

In beginning a discussion of transnational antitrust law, one immediately confronts multiple points on which there is no shared understanding across legal systems. First, to what body of substantive rules are we referring? “Antitrust law,” the term used primarily in the United States, is...