Expert Testimony Must Be Backed By Science, Pa. Court Rules

Law360, Philadelphia (December 9, 2013, 2:07 PM EST) -- The Pennsylvania Superior Court on Friday clarified standards for admitting expert testimony in product liability cases in a precedential decision upholding a victory by a Dow Chemical Co. unit over allegations that a contract employee developed brain cancer from exposure to toxic chemicals.

In a precedential opinion, a three-judge panel ruled that a report from an expert witness retained by plaintiff Anne Snizavich did not cite any relevant scientific authority to support his conclusion that Snizavich's husband developed fatal brain cancer after being exposed to toxic...
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