The European Union is contemplating more forceful action against companies that violate its antitrust laws, including collective legal actions—although officials there want to avoid what they call the “excesses” of U.S. class-action litigation.

The European Commission itself has been taking a tougher line on enforcing Europe’s competition laws for the last year. Still, significant barriers remain in the way of businesses and individuals who want to seek private legal actions for antitrust violations. Those violations include breaches of EU rules on restrictive business practices and abuse of dominant market positions.


Kroes Officials recently published a white paper outlining proposals to remove some ...