The Antitrust Review of the Americas 2017

United States: Department of Justice, Antitrust Division

United States v Halliburton: merger enforcement cooperation at its best For many years, officials at the Antitrust Division of the US Department of Justice have credited international cooperation with enhancing the effectiveness and efficiency of our enforcement efforts. In this same publication one year ago, we highlighted the importance of recent case cooperation with Brazil, Canada and Mexico, and detailed how engagement with each had helped to improve the efficiency of our investigative process and prevented conflicting outcomes.1 This year proves to be no different. In the past year alone, the Antitrust Division has cooperated with 16 different competition agencies on almost 30 different matters. We are cooperating more deeply and more often, so much so that case cooperation with other jurisdictions plays a role in up to 25 per cent of our merger challenges.

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