The U.S. Supreme Court overruled Chevron deference in
its decision in Loper Bright Enterprises v. Raimondo on
June 28, 2024. Chevron – a central doctrine of
administrative law – had stood since 1984.
In a 6-3 decision, the Court held that Chevron, which
grants significant deference to agency interpretations of federal
statutes, conflicts with the Administrative Procedure Act's
(APA) command that courts, not agencies, are to "decide all
relevant questions of law" and "interpret statutory
provisions." Op. at 21.
Writing for the majority, Chief Justice John Roberts began his
analysis by drawing upon the constitutional principle, echoed in
Marbury v. Madison, that "[i]t is emphatically the
province and duty of the judicial department to say what the law
is." Id. at 7. Historically, the Court noted that the
judiciary afforded respect to executive branch interpretations of
statutes, but such views could merely "inform the judgment of
the Judiciary" and did not
