The Supreme Court ended Chevron deference on June 28, 2024, ruling 6-3 in Loper Bright Enterprises v. Raimondo that courts must independently interpret ambiguous statutes rather than defer to agency interpretations.
The Supreme Court overruled Chevron deference in a landmark 6 to 3 decision in June 2024.

Chevron deference | Wex | US Law | LII / Legal Information Institute
Source: law.cornell.edu
Key Evidence
The Supreme Court decided Loper Bright Enterprises v. Raimondo on June 28, 2024 and overruled the Chevron doctrine.
Nossaman reported that the decision was 6-3, and the legal analyses consistently describe the ruling as ending mandatory deference to agencies when statutes are ambiguous.
The ruling requires courts to use independent judgment, although agency interpretations may still receive persuasive consideration in appropriate cases.
What the Evidence Shows
The claim is supported by the reported outcome in Loper Bright Enterprises v. Raimondo. On June 28, 2024, the Supreme Court overruled the Chevron doctrine, a framework that had generally directed courts to defer to reasonable agency interpretations of ambiguous statutes. The Legal Information Institute and multiple legal analyses identify June 2024 as the point when the Court ended the doctrine.law.cornell.edulaw.cornell.eduChevron deference | Wex | US Law
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The vote was 6-3. Nossaman’s contemporaneous June 28, 2024 analysis specifically described the ruling as a 6-3 decision, while the other legal analyses confirm that the Court rejected mandatory Chevron deference and required courts to exercise their own independent judgment in interpreting statutes.consumerfinancialserviceslawmonitor.comconsumerfinancialserviceslawmonitor.comSupreme Court Overrules Chevron Doctrine in Landmark Administrative Law Decision
nossaman.comnossaman.comSupreme Court Overturns Chevron Deference
The decision did not eliminate all consideration of agency views. It held that statutory ambiguity alone does not require judicial deference, while courts may still consider an agency’s reasoning to the extent it is persuasive under ordinary legal principles. That qualification does not alter the claim’s central point: the Chevron framework itself was overruled in June 2024.law.uchicago.edulaw.uchicago.eduWith Chevron Deference Ended, What Happens Next?
skadden.comskadden.comSupreme Court’s Overruling of Chevron Deference to Administrative Agencies’...+1 more