Bayer – through its subsidiary Monsanto – has filed a petition with the U.S. Supreme Court for review of a Roundup court decision.

The petition urges the court to review the Ninth Circuit Court of Appeals decision in the Hardeman case, the only Roundup federal product liability case to have gone to trial.

Bayer claims the state-law “failure-to-warn” claims at the center of the case are preempted by federal law, as the U.S.

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