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 24, 2026
In one of the most-watched cases for product liability so far this year, the U.S. Supreme Court ruled that failure-to-warn claims about the alleged cancer risks of Monsanto's widely used pesticide Roundup are barred by federal law. Social media titans were also rocked by the first verdicts delivered in cases alleging mental health harms to youth.
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.
November 17, 2025
A Second Circuit panel on Monday appeared skeptical of a lower-court order that barred every expert witness set to testify for families who allege that patients taking Tylenol while pregnant can cause autism or attention deficit hyperactivity disorder in their children.