Federal Courts Tighten Expert Evidence Standards in Pharmaceutical Litigation
May 18, 2026 | Sacramento, CA — MedLegalNews.com — Pharmaceutical litigation is undergoing a significant procedural shift in 2026 as federal courts continue tightening standards governing expert causation testimony in drug-related cases. Judges are increasingly excluding scientific opinions viewed as speculative, unsupported, or methodologically unreliable, creating higher evidentiary barriers for plaintiffs pursuing mass tort claims. […]
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