September 11, 2026
Tylenol maker Kenvue and several retailers have urged the Second Circuit to revisit its decision overturning a district court's exclusion of expert testimony for plaintiffs who claim prenatal exposure to the over-the-counter pain reliever causes autism and ADHD, saying the appeals court improperly restricted the trial court's "gatekeeping role."
July 13, 2026
The Second Circuit said Monday that a lower court had wrongly excluded plaintiffs experts from testifying about an alleged relationship between using Tylenol during pregnancy and autism spectrum disorder and attention-deficit/hyperactivity disorder, although the panel cautioned that the decision was not political or scientific.