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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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In November 2018, the European Commission approved the $62 billion (£46 billion) acquisition of Shire by Takeda Pharmaceutical Company subject to remedies, after a Phase I investigation. The transaction was the largest biopharma deal of 2018, creating the ninth-largest drug...