On June 2, 2017, the U.S. Court of Appeals for the Third Circuit affirmed a district court decision that carefully and reasonably applied Daubert’s admissibility standard for expert testimony. The decision was a victory for WLF, whose brief urged affirmance to ensure that reliability remains a threshold question for the court, not the jury. The appeal arose from a Multi-District Litigation consolidating more than 300 suits alleging that maternal exposure to Zoloft caused cardiac birth defects in plaintiffs’ children. After extensive briefing and a three-day Daubert hearing, the district court found that plaintiffs’ expert’s opinion that Zoloft can cause cardiac birth defects was inconsistent with well-accepted epidemiological standards. Among other things, the Third Circuit’s unanimous decision held that the district court acted appropriately as the gatekeeper for expert witness testimony.