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.
June 01, 2026
A plaintiffs' attorney and law firm sanctioned in multidistrict litigation alleging prenatal exposure to acetaminophen can cause autism agreed to donate $50,000 to maternal health organization March of Dimes in lieu of paying attorney fees, according to a letter filed Monday in New York federal court.
May 11, 2026
A New York federal court sanctioned a plaintiffs' firm and its co-founder in federal multidistrict litigation by families alleging that prenatal exposure to acetaminophen can cause autism, saying they improperly shared confidential information from the case in related state court actions.
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.
September 25, 2025
Families suing the maker of Tylenol quickly cited President Donald Trump's words this week as they pushed the Second Circuit to overturn a lower-court ruling that barred their expert witnesses from testifying that prenatal exposure to the medicine can cause autism.
September 23, 2025
The Trump administration's attack on the use of acetaminophen during pregnancy drew on the work of a Harvard expert whose analysis is central to a legal clash now before a federal appeals court. The president's broadside promises to energize plaintiffs.
August 21, 2024
Families trying to show that prenatal exposure to acetaminophen causes ADHD cannot rely on the "cherry-picked statements" of a defense expert to keep their claims alive, a New York federal judge ruled, delivering yet another blow to plaintiffs in the sprawling multidistrict litigation.
February 16, 2024
U.S. District Judge Denise Cote signaled Friday that she's willing to consider a new expert witness proposed in the multidistrict litigation alleging prenatal exposure to acetaminophen causes ADHD, directing the parties to propose a briefing schedule on whether the expert's opinion is admissible.
February 02, 2024
A dozen parents and children who allege that prenatal exposure to acetaminophen caused ADHD have urged a federal judge to keep their lawsuits alive, contending that they aren't bound by an earlier ruling that barred every expert witness set to testify for plaintiffs in similar cases.
January 17, 2024
A New York federal judge wants to know why she shouldn't dismiss hundreds of cases alleging that prenatal exposure to Tylenol causes autism now that she has rejected every expert witness set to testify for the plaintiffs, leaving them with no admissible evidence.