The US Court of Appeals for the Third Circuit overturns a district court decision certifying a class of direct purchaser plaintiffs without undertaking a rigorous analysis in order to resolve factual disputes, assess competing evidence or weigh conflicting expert testimony (Lamictal)

The US Court of Appeals for the Third Circuit recently concluded in In re Lamictal Direct Purchaser Antitrust Litigation that a district court’s reliance on average prices to determine class-wide impact was insufficient. Instead, courts must conduct a rigorous analysis of the facts, evidence and expert testimony at the class certification stage of litigation. IN DEPTH On April 22, 2020, the US Court of Appeals for the Third Circuit overturned a district court decision certifying a class of direct purchaser plaintiffs without undertaking a rigorous analysis to resolve factual disputes, assess competing evidence or weigh conflicting expert testimony. See In re Lamictal Direct Purchaser Antitrust Litig., No. 19-1655 (3d Cir. April 22, 2020). The Third Circuit concluded that the district

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Authors

  • McDermott Will & Emery (New York)
  • McDermott Will & Emery (Washington)
  • McDermott Will & Emery (Chicago)

Quotation

Nicole L. Castle, Stefan M. Meisner, Stephen Wu, The US Court of Appeals for the Third Circuit overturns a district court decision certifying a class of direct purchaser plaintiffs without undertaking a rigorous analysis in order to resolve factual disputes, assess competing evidence or weigh conflicting expert testimony (Lamictal), 22 April 2020, e-Competitions April 2020, Art. N° 95089

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