US Supreme Court to Hear Bayer Roundup Labeling Case in April

The US Supreme Court has scheduled an April 27 hearing in a high-profile case brought by Bayer concerning whether the Environmental Protection Agency should have final authority over pesticide warning labels, including those for Roundup.

Bayer argues that because the EPA approved Roundup labels without a cancer warning under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), failure-to-warn lawsuits should be preempted. The company says a favorable ruling could curb extensive litigation alleging that glyphosate-based herbicides caused non-Hodgkin’s lymphoma.

Since acquiring Monsanto in 2018, Bayer has faced more than 100,000 claims and paid over $11 billion in settlements and verdicts. While several appellate courts have rejected Bayer’s preemption argument, the Third Circuit ruled in its favor.

Litigation intensified after the International Agency for Research on Cancer classified glyphosate as a “probable human carcinogen” in 2015.

15-02-2026