What’s next after Supreme Court curbs regulatory power: More focus on laws’ wording, less on their goals

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Robin Kundis Craig, University of Kansas

(THE CONVERSATION) Federal Chevron deference is dead. On June 28, 2024, in a 6-3 vote, the Supreme Court overturned the 40-year-old legal tenet that when a federal statute is silent or ambiguous about a particular regulatory issue, courts should defer to the implementing agency’s reasonable interpretation of the law.

The reversal came in a ruling on two fishery regulation cases, Loper Bright Enterprises v. Raimondo and Relentless, Inc. v. Department of Commerce.

This decision means that federal courts will have the final say on what an ambiguous federal statute means. What’s not clear is whether most courts will still listen to expert federal agencies in determining which interpretations make the most sense.

While courts and judges will vary, as a scholar in environmental law, I expect that the demise of Chevron deference will make it easier for federal judges to focus on the exact meaning of Congress’ individual words, rather than on Congress’ goals or the real-life workability of federal laws.

Who decides what the law means?

Chevron deference emerged from a 1984 case that addressed the Environmental Protection Agency’s interpretation of the term “stationary source” in the...