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Compass Lexecon has been involved in many of the largest and most complex antitrust litigation and financial market cases over the past 30 years.

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On 27 June 2019, the European Commission unconditionally approved the acquisition of Red Hat by IBM at Phase I. The Commission’s clearance decision followed unconditional approvals by the U.S. Department of Justice and several other national competition authorities. The $34...


In a landmark judgment on July 4, 2018, the Court of Appeal of England and Wales decided in favour of Compass Lexecon's clients on the lawfulness of interchange fees. The Court relied heavily on Compass Lexecon's Neil Dryden in its...