Explore 24 court opinions on Chevron Deference. AI-powered plain English summaries, key holdings, and legal analysis.
24 recent cases analyzed in this topic area.
Eleventh Circuit Affirms EPA's CWA Authority, Rejects Major Questions Doctrine
Friends of the Everglades, Inc. v. Secretary of the U.S. Department of Homeland Security, decided by Eleventh Circuit on April 21, 2026, resulted in a defendant win outcome. The Eleventh Circuit affir...
Ninth Circuit: State Lacks Standing to Challenge Title IX Regulations
State of Washington v. United States Department of Education, decided by Ninth Circuit on February 24, 2026, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's dismis...
Ninth Circuit Vacates NLRB Dismissal of Unfair Labor Practice Charge
International Longshore and Warehouse Union v. National Labor Relations Board, decided by Ninth Circuit on December 16, 2025, resulted in a remanded outcome. The Ninth Circuit reviewed the National La...
Eleventh Circuit Upholds CMS Denial of Medicaid DSH Waiver Request
Florida Agency for Health Care Administration v. Administrator for the Centers for Medicare & Medicaid Services, decided by Eleventh Circuit on December 5, 2025, resulted in a defendant win outcome. T...
Ninth Circuit: State Lacks Standing to Challenge Title IX Regulations
State of Washington v. United States Department of Education, decided by Ninth Circuit on December 4, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's dismiss...
Court Upholds FDA Guidance on Dietary Ingredient Notifications
Council for Responsible Nutrition v. James, decided by Second Circuit on November 13, 2025, resulted in a defendant win outcome. The Council for Responsible Nutrition (CRN) challenged the Food and Dru...
Tenth Circuit Upholds OCC Guidance on National Bank Activities
National Association of Industrial Bankers v. Weiser, decided by Tenth Circuit on November 10, 2025, resulted in a defendant win outcome. The Tenth Circuit affirmed the district court's dismissal of a...
D.C. Circuit Affirms FCC's Common Carrier Interpretation for Wireless Services
United States v. U.S. Cellular Corporation, decided by D.C. Circuit on September 26, 2025, resulted in a affirmed outcome. The D.C. Circuit affirmed the district court's decision, holding that the gov...
D.C. Circuit Affirms FMC's Broad Authority Over Shipping Agreements
World Shipping Council v. FMC, decided by D.C. Circuit on September 23, 2025, resulted in a defendant win outcome. The World Shipping Council challenged the Federal Maritime Commission's (FMC) interpr...
CAFC Affirms CBP Seizure of Wine Lacking High Alcohol Content
V.O.S. Selections, Inc. v. Trump, decided by Federal Circuit on August 29, 2025, resulted in a defendant win outcome. The core dispute involved whether the U.S. Customs and Border Protection (CBP) pro...
Fifth Circuit Rejects NLRB's Interpretation of 'Off-the-Clock' Work Policy
Amazon.com v. NLRB, decided by Fifth Circuit on August 28, 2025, resulted in a defendant win outcome. The Fifth Circuit reviewed the National Labor Relations Board's (NLRB) order finding Amazon liable...
JetBlue's Service Animal Form Policy Upheld Under ADA
Garavanian v. JetBlue Airways Corporation, decided by First Circuit on August 21, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's grant of summary judgment t...
Ninth Circuit: Alaska's interpretation of Submerged Lands Act is reasonable
United States of America v. State of Alaska, decided by Ninth Circuit on August 20, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's grant of summary judgment...
Fourth Circuit Reverses USCIS U Visa Denial for Victim Assistance
Louise Trauma Center LLC v. USCIS, decided by Fourth Circuit on August 14, 2025, resulted in a plaintiff win outcome. The Fourth Circuit reviewed the denial of a U visa petition for a victim of a crim...
Fifth Circuit Denies Standing in Environmental Permit Challenge
Port Arthur Cmty Actn Netwk v. TCEQ, decided by Fifth Circuit on August 12, 2025, resulted in a defendant win outcome. The Fifth Circuit affirmed the district court's dismissal of a lawsuit challengin...
Third Circuit Rejects Broad Interpretation of H-2A Seasonal Worker Exemption
Sun Valley Orchards LLC v. United States Department of Labor, decided by Third Circuit on July 29, 2025, resulted in a plaintiff win outcome. The Third Circuit reviewed the Department of Labor's inter...
Court Upholds NLRB Ruling Against Hospital's Wage Discussion Ban
District Hospital Partners, L.P. v. NLRB, decided by D.C. Circuit on June 27, 2025, resulted in a plaintiff win outcome. The D.C. Circuit reviewed the National Labor Relations Board's (NLRB) order fin...
FERC's authority over wholesale electricity sales and PURPA interpretation affirmed
Central Hudson Gas & Electric Corporation v. FERC, decided by D.C. Circuit on May 27, 2025, resulted in a defendant win outcome. The case concerns the Federal Energy Regulatory Commission's (FERC) aut...
SCOTUS Defers to DOT on 'Any' Aircraft Regulation
Feliciano v. Department Of Transportation, decided by Supreme Court of the United States on April 30, 2025, resulted in a defendant win outcome. The Supreme Court affirmed the Second Circuit's decisio...
SCOTUS: Education Dept. overstepped Title IX authority
Department of Education v. California, decided by Supreme Court of the United States on April 4, 2025, resulted in a defendant win outcome. The Supreme Court considered whether the Department of Educa...
D.C. Circuit Affirms OPM's Limited Interpretation of Union Access to Advisory Opinions
National Treasury Employees Union v. Russell T. Vought, decided by D.C. Circuit on April 2, 2025, resulted in a defendant win outcome. The D.C. Circuit affirmed the district court's dismissal of the N...
Federal Circuit Upholds Merck's Januvia Patent Against Obviousness Challenge
Merck Sharp & Dohme B v. v. Aurobindo Pharma USA, Inc., decided by Federal Circuit on March 13, 2025, resulted in a defendant win outcome. The core dispute centered on whether Merck's patent for its b...
Tenth Circuit Upholds USDA's 'Livestock' Definition for Bison
Fabrizius v. United States Department of Agriculture, decided by Tenth Circuit on February 24, 2025, resulted in a defendant win outcome. The Tenth Circuit affirmed the district court's dismissal of a...
D.C. Circuit Rejects NLRB's Broad Definition of Protected Concerted Activity
Jones Lang LaSalle Americas, Inc v. NLRB, decided by D.C. Circuit on February 18, 2025, resulted in a defendant win outcome. The D.C. Circuit reviewed the NLRB's decision that Jones Lang LaSalle Ameri...