Supreme Court Upholds Roundup Preemption and Rejects Hawaii Gun Restrictions

By Mark Walsh · SCOTUSblog · 2026-06-25

Supreme Court Upholds Roundup Preemption and Rejects Hawaii Gun Restrictions

According to reporting from SCOTUSblog, Justice Kavanaugh authored a majority opinion confirming that federal law preempts state-level failure-to-warn claims against Monsanto regarding its Roundup pesticide. The decision was part of a high-volume morning at the court that also sa

According to reporting from SCOTUSblog, Justice Kavanaugh authored a majority opinion confirming that federal law preempts state-level failure-to-warn claims against Monsanto regarding its Roundup pesticide. The decision was part of a high-volume morning at the court that also sa