SQM North America Corporation v. City of Pomona

U.S. Supreme Court

Question(s) Presented

Whether, as the Ninth Circuit held, in open and admitted conflict with other courts of appeals, a district court may exclude expert testimony as unreliable only when it is based on a “faulty methodology or theory,” or whether, as the Third Circuit and other circuits have held, “any step that rendersthe analysis unreliable renders the expert’s testimony inadmissible.”

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