Explore 19 court opinions on Chevron Deference To Agency Interpretations. AI-powered plain English summaries, key holdings, and legal analysis.
19 recent cases analyzed in this topic area.
D.C. Circuit Upholds OPM's Narrow Interpretation of Whistleblower Protection Act
National Treasury Employees Union v. Russell T. Vought, decided by D.C. Circuit on December 17, 2025, resulted in a defendant win outcome. The D.C. Circuit affirmed the district court's dismissal of t...
Second Circuit Affirms SEC's Market Manipulation Findings Against Archegos
In Re: Archegos 20A Litigation, decided by Second Circuit on September 16, 2025, resulted in a defendant win outcome. This case concerns the Securities and Exchange Commission's (SEC) enforcement acti...
School Lacks Standing to Sue Over LGBTQ+ Anti-Discrimination Rule
Mid Vermont Christian School v. Saunders, decided by Second Circuit on September 9, 2025, resulted in a defendant win outcome. The Second Circuit affirmed the dismissal of a lawsuit brought by Mid Ver...
Fourth Circuit Upholds USDA Poultry Regulations Against Producer Challenge
State of Maryland v. USDA, decided by Fourth Circuit on September 8, 2025, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's dismissal of a challenge to USDA regula...
PTAB's claim construction interpretation affirmed under Chevron deference
Pauline Newman v. Kimberly Moore, decided by D.C. Circuit on August 22, 2025, resulted in a defendant win outcome. The core dispute centered on whether the Patent Trial and Appeal Board (PTAB) correct...
Court Affirms FCC Waiver for AT&T's 5G Home Internet Service
Texas Association of Business v. FCC, decided by Sixth Circuit on August 13, 2025, resulted in a defendant win outcome. The Sixth Circuit Court of Appeals reviewed the FCC's decision to grant a waiver...
Fifth Circuit Upholds FDA's Denial of Premarket Approval for Obesity Device
Shenzhen IVPS Tech v. FDA, decided by Fifth Circuit on August 6, 2025, resulted in a defendant win outcome. The Fifth Circuit affirmed the district court's dismissal of Shenzhen IVPS Tech's lawsuit ag...
Eighth Circuit Affirms FCC Waiver Decision, Upholding Notice Procedures
Zimmer Radio of Mid-Missouri, Inc. v. FCC, decided by Eighth Circuit on July 23, 2025, resulted in a defendant win outcome. Zimmer Radio challenged the FCC's decision to grant a waiver to a competitor...
Court Upholds Medicare's Inpatient-Only Rule Against Surgical Practice
Neurological Surgery v. Dep't of Health & Human Servs., decided by Second Circuit on July 22, 2025, resulted in a defendant win outcome. The Second Circuit affirmed the district court's dismissal of a...
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...
Fifth Circuit Upholds EPA's Renewable Fuel Standard Program
Texas Corn Producers v. EPA, decided by Fifth Circuit on June 24, 2025, resulted in a defendant win outcome. The Fifth Circuit reviewed the EPA's "Renewable Fuel Standard" (RFS) program, which mandate...
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...
Fifth Circuit Rejects NLRB Finding of Amazon Retaliation
Amazon.com v. NLRB, decided by Fifth Circuit on May 6, 2025, resulted in a defendant win outcome. The Fifth Circuit reviewed the National Labor Relations Board's (NLRB) order finding Amazon violated t...
Court Affirms PBGC's Interpretation of Pension Overpayment Rules
Bd. of Trs. of the Bakery Drivers Loc. 550 v. Pension Benefit Guar., decided by Second Circuit on April 29, 2025, resulted in a defendant win outcome. The Second Circuit affirmed the district court's ...
D.C. Circuit Upholds OPM's Narrow Interpretation of Whistleblower Protection Act
National Treasury Employees Union v. Russell T. Vought, decided by D.C. Circuit on April 28, 2025, resulted in a defendant win outcome. The D.C. Circuit affirmed the district court's dismissal of the ...
D.C. Circuit Upholds OSC's Narrow WPA Interpretation
National Treasury Employees Union v. Russell Vought, decided by D.C. Circuit on April 3, 2025, resulted in a defendant win outcome. The D.C. Circuit affirmed the district court's dismissal of a union'...
Ninth Circuit Upholds Dept. of Education's Title IX Regulations
State of California v. US Department of Education, decided by First Circuit on March 21, 2025, resulted in a defendant win outcome. The State of California challenged the U.S. Department of Education'...
PFAS in AFFF Not Hazardous Substances Under CERCLA, Court Rules
In re: Aqueous Film-Forming Foams Products, decided by Fourth Circuit on March 7, 2025, resulted in a defendant win outcome. The Fourth Circuit addressed whether certain PFAS chemicals, used in aqueou...
CMS can deny Medicare agreement for non-compliance beyond patient safety
Safe Haven Home Care, Inc. v. United States Department of Health and Human, decided by Second Circuit on March 6, 2025, resulted in a defendant win outcome. Safe Haven Home Care, Inc. challenged the C...