Ici Commercial Solvents V Commission [1974]

Facts: ICI challenged a Commission decision finding that certain aniline dye producers, including ICI, had fixed prices through concerted practices. The producers maintained that their almost simultaneous and almost identical price rises did not amount to concerted practice but were a feature of an oligopolistic market (a market dominated by relatively few sellers in which, where pricing policies are transparent, rival companies tend to respond without collusion to each other's market strategy, a form of 'parallel behaviour').

Held: The Court of Justice defined…