Decided

No. 24-813

Chevron USA Incorporated, et al. v. Plaquemines Parish, Louisiana, et al.

from the United States Court of Appeals for the Fifth Circuit

See other cases from the Fifth Circuit.

Docket Entries

Judgment VACATED and case REMANDED. Thomas, J., delivered the <a href="https://www.supremecourt.gov/opinions/25pdf/24-813_3e04.pdf" target="_blank">opinion</a> of the Court, in which Roberts, C. J., and Sotomayor, Kagan, Gorsuch, Kavanaugh, and Barrett, JJ., joined. Jackson, J., filed an opinion concurring in the judgment. Alito, J., took no part in the decision of the case.

Argued. For petitioners: Paul D. Clement, Alexandria, Va.; and Aaron Z. Roper, Assistant to the Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) For respondents: J. Benjamin Aguiñaga, Solicitor General, Baton Rouge, La.

Letter from Clerk of Court to counsel of record noting that Justice Alito will not continue to participate in this case.

Reply of petitioners Chevron U.S.A. Incorporated, et al. filed. (Distributed)

Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED.

Record received electronically from the United States District Court for the Eastern District of Louisiana and available with the Clerk.

CIRCULATED

Brief amicus curiae of General (Retired) Russel Honoré filed.

Brief amicus curiae of Former Governor John Bel Edwards filed.

Brief amici curiae of American Association for Justice, et al. filed.

Brief amici curiae of Environmental Defense Fund, et al. filed.

Record received electronically from the United States District Court for the Western District of Louisiana and available with the Clerk.

Record received from the United States Court of Appeals for the Fifth Circuit. The record is electronic and is available on PACER.

Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed.

Brief of respondents Plaquemines Parish, et al. filed.

Brief of respondents Louisiana, et al. filed.

Record requested from the United States Court of Appeals for the Fifth Circuit.

SET FOR ARGUMENT on Monday, January 12, 2026.

Brief amicus curiae of Pelican Institute for Public Policy filed.

Brief amicus curiae of United States filed.

Brief amici curiae of West Virginia, et al. filed.

Brief amici curiae of United States Senator Mike Lee, et al. filed.

Brief amici curiae of Washington Legal Foundation, et al. filed.

Brief amicus curiae of America First Policy Institute filed.

Brief amici curiae of Oil and Gas Associations filed.

Brief amicus curiae of Express Scripts, Inc. filed.

Brief amici curiae of Chamber of Commerce of the United States of America, et al. filed.

Brief amicus curiae of American Tort Reform Association filed.

Brief amici curiae of Honorable William P. Barr, et al. filed.

Brief amici curiae of General (Retired) Richard B. Myers, et al. filed.

Brief of petitioners Chevron USA Incorporated, et al. filed.

Joint appendix filed.

Motion to extend the time to file the briefs on the merits granted. The time to file the joint appendix and petitioners' brief on the merits is extended to and including September 4, 2025. The time to file respondents' brief on the merits is extended to and including November 13, 2025.

Motion for an extension of time to file the briefs on the merits filed.

Petition GRANTED.

DISTRIBUTED for Conference of 6/12/2025.

DISTRIBUTED for Conference of 6/5/2025.

Petition for writ of certiorari dismissed under Rule 46 only as to petitioner Burlington Resources Oil & Gas Company.

DISTRIBUTED for Conference of 5/29/2025.

Reply of petitioners Chevron U.S.A. Incorporated, et al. filed. (Distributed)

Letter dated May 7, 2025 informing the Court that petitioner Burlington Resources Oil & Gas Company is withdrawing from the petition for certiorari filed.

Brief of respondents Plaquemines Parish, Louisiana, et al. in opposition filed.

Brief of respondents Louisiana, et al. in opposition filed.

Brief amici curiae of General (Retired) Richard B. Myers, et al. filed.

Brief amici curiae of Chamber of Commerce of the United States of America, et al. filed.

Motion to extend the time to file a response is granted and the time is extended to and including April 23, 2025, for all respondents.

Motion to extend the time to file a response from March 24, 2025 to April 23, 2025, submitted to The Clerk.

Brief amici curiae of American Petroleum Institute, et al. filed.

Response Requested. (Due March 24, 2025)

Letter from counsel for petitioners of Chevron U.S.A. Incorporated, et al. submitted.

DISTRIBUTED for Conference of 2/28/2025.

Waiver of right of respondents Louisiana, through the Department of Energy & Natural Resources, and its Assistant Secretary, Keith Lovell to respond filed.

Waiver of right of respondents Plaquemines Parish and Louisiana ex rel. Parish of Plaquemines; Parish of Cameron and Louisiana ex rel. Parish of Cameron to respond filed.

Waiver of right of respondent Louisiana to respond filed.

Petition for a writ of certiorari filed. (Response due March 3, 2025)

Parties

Burlington Resources Oil & Gas Company, Petitioner, represented by Michael J. Mazzone

Chevron U.S.A. Incorporated, et al., Petitioner, represented by Paul D. Clement

Louisiana, Respondent, represented by Jorge Benjamin Aguinaga

Plaquemines Parish and the State of Louisiana ex rel. Parish of Plaquemines; Parish of Cameron and the State of Louisiana ex rel. Parish of Cameron, Respondent, represented by Victor L. Marcello

State of Louisiana, through the Department of Energy & Natural Resources, and its Assistant Secretary, Keith Lovell, Respondent, represented by Donald W. Price

State of Louisiana, through the Department of Energy & Natural Resources, and its Assistant Secretary, Keith Lovell, Respondent, represented by James Blake Canfield

Amici Curiae

America First Policy Institute, Amicus Curiae, represented by Nicholas Jeffrey Wanic

American Association for Justice and Louisiana Association for Justice, Amicus Curiae, represented by Robert S. Peck

American Petroleum Institute and the American Fuel & Petrochemical Manufacturers, Amicus Curiae, represented by Jason T. Morgan

American Tort Reform Association, Amicus Curiae, represented by Traci L. Lovitt

Chamber of Commerce of the United States of America and the National Association of Manufacturers, Amicus Curiae, represented by William McGinley Jay

Environmental Defense Fund and Father Lawrence Moore, Amicus Curiae, represented by Dana Lydia Kaersvang

Express Scripts, Inc., Amicus Curiae, represented by Jason Robert Scherr

Former Governor John Bel Edwards, Amicus Curiae, represented by Caroline Anne Flynn

General (Retired) Richard B. Myers and Admiral (Retired) Michael G. Mullen, Amicus Curiae, represented by Tristan L. Duncan

General (Retired) Russel Honoré, Amicus Curiae, represented by Daniel Hirotsu Woofter

Hon. William P. Barr and Hon. Michael B. Mukasey, Amicus Curiae, represented by Jeremy Brooks Rosen

State of West Virginia and 6 Other States, Amicus Curiae, represented by Michael Ray Williams

The Pelican Institute for Public Policy, Amicus Curiae, represented by James Stuart Castiglione Baehr

United States, Amicus Curiae, represented by D. John Sauer

U.S. Senators Mike Lee, Ted Budd, Ted Cruz, John Cornyn, Cindy Hyde-Smith, and John Hoeven, Amicus Curiae, represented by Christopher E. Mills

Washington Legal Foundation, Amicus Curiae, represented by Cory L. Andrews

 
Last updated: April 18, 2026