In Re: Acetaminophen - ASD-ADHD Products Liability Litigation

Track this case

Case Number:

1:22-md-03043

Court:

New York Southern

Nature of Suit:

Personal Injury: Health Care/Pharmaceutical Personal Injury Product Liability

Multi Party Litigation:

Multi-district Litigation

Judge:

Denise L. Cote

Firms

Companies

Sectors & Industries:

November 17, 2025
2nd Circ. Questions Experts' Rejection In Tylenol Autism Suits

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 Cite Trump In Bid To Revive Tylenol Autism Claims

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
Tylenol MDL In Spotlight After Trump Blasts Use In Pregnancy

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
Judge Rules Lack Of Expert Dooms Families' Tylenol MDL

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
Judge Seeks Briefing On New Expert Proposed In Tylenol MDL

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
Families New To Tylenol MDL Cite Expert To Avoid Dismissal

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
Judge Orders Explanation For Continuing Tylenol MDL Cases

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.
December 19, 2023
All 5 Of Plaintiffs' Expert Witnesses Barred In Tylenol MDL

A New York federal judge on Monday rejected all five expert witnesses set to testify for the plaintiffs in multidistrict litigation alleging prenatal exposure to Tylenol or other acetaminophen products causes autism, noting the decision leaves the parents and children with no admissible evidence to demonstrate the link.
August 04, 2023
J&J Can't Appeal Dismissal Bids In Tylenol Birth Defect MDL

A New York federal judge won't let Johnson & Johnson Consumer Inc. appeal a pair of orders denying its bids to dismiss a suit alleging a woman's child has autism and attention-deficit/hyperactivity disorder because she took Tylenol while pregnant, saying the company hasn't shown there can be a difference of opinion regarding the court's analysis.