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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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Mary Anne Mason of Crowell & Moring LLP retained Compass Lexecon economists Professor Janusz Ordover, Steven Peterson, Charles Augustine, and Stephen Makowka to analyze the competitive effects of the proposed acquisition of Columbia Pipeline Group (“CPG”) by TransCanada Corporation (“TransCanada”)....


Compass Lexecon's Professor Joseph P. Kalt served as the expert for claimant Occidental Petroleum Corporation, which last week obtained an arbitration award of US $1.77 billion (plus back interest) against the Republic of Ecuador (Ecuador). The award is reported to...


On February 25, 2011, the United States Court of Appeals for the District of Columbia affirmed the District Court’s 2009 grant of summary judgment to Exxon Mobil, BP America, ConocoPhillips, and Shell, Compass Lexecon’s clients. These firms hired Compass Lexecon...