The Administrative Procedure Act requires courts to exercise their independent judgment in deciding whether an agency has acted within its statutory authority, and courts may not defer to an agency interpretation of the law simply because a statute is ambiguous; Chevron is overruled. Decided June 28, 2024 (argued January 17, 2024). Opinion of the Court: John Roberts → go there Dissenting: Kagan. Topic: Administrative law. Loper Bright Enterprises v. Raimondo, 603 U.S. 369 (2024), is a landmark decision of the Supreme Court of the United States in the field of administrative law, the law governing regulatory agencies. Together with its companion case, Relentless, Inc. v. Department of Commerce, it overruled the principle of Chevron deference established in Chevron U.S.A., Inc. v. Natural Resources Defense Council, Inc. (1984), which had directed courts to defer to an agency's reasonable interpretation of an ambiguity in a law that the agency enforces. Wiki link