| 25-788 |
Reed Day, et al. v. Ben Henry, in His Official Capacity as Director, Arizona Department of Liquor Licenses and Control, et al. |
2026-01-06 |
Paid |
Pending |
Manhattan Institute and Reason Foundation |
Amicus |
Manhattan Institute |
| 25-672 |
Kate Adams v. Sacramento County, California, et al. |
2025-12-10 |
Paid |
Pending |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 25-259 |
January Littlejohn, et vir v. School Board of Leon County, Florida, et al. |
2025-09-05 |
Paid |
Pending |
Manhattan Institute and Dr. Leor Sapir |
Amicus |
Manhattan Institute |
| 25-170 |
Suncor Energy (U.S.A.) Inc., et al. v. County Commissioners of Boulder County, et al. |
2025-08-12 |
Paid |
Pending |
Frontier Institute, Independence Institute, Pelican Institute, and Manhattan Institute |
Amicus |
Manhattan Institute |
| 25-77 |
Stephen Foote, Individually and as Guardian and Next Friend of B. F. and G. F.,
Minors, et al. v. Ludlow School Committee, et al. |
2025-07-22 |
Paid |
Pending |
Manhattan Institute and Dr. Leor Sapir |
Amicus |
Manhattan Institute |
| 24-993 |
Gabriel Olivier v. City of Brandon, Mississippi, et al. |
2025-03-18 |
Paid |
Granted |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 24-871 |
B. W., a Minor, By Next Friends M. W. and B. W., formerly known herein as Jon AISD Doe v. Austin Independent School District |
2025-02-13 |
Paid |
Denied |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 24-803 |
Michael Quinn Sullivan v. Texas Ethics Commission |
2025-01-28 |
Paid |
Denied |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 24-539 |
Kaley Chiles v. Patty Salazar, in Her Official Capacity as Executive Director of the Colorado Department of Regulatory Agencies, et al. |
2024-11-13 |
Paid |
Granted |
Manhattan Institute, Islam and Religious Freedom Action Team, Jewish Coalition for Religious Liberty, and Dr. Dovid Schwartz |
Amicus |
Manhattan Institute |
| 24-530 |
Bethesda University, et al. v. Seungje Cho, et al. |
2024-11-12 |
Paid |
Denied |
Manhattan Institute and Jewish Coalition for Religious Liberty |
Amicus |
Manhattan Institute |
| 24-394 |
Oklahoma Statewide Charter School Board, et al. v. Gentner Drummond, Attorney General of Oklahoma, ex rel. Oklahoma |
2024-10-09 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 24-396 |
St. Isidore of Seville Catholic Virtual School v. Gentner Drummond, Attorney General of Oklahoma, ex rel. Oklahoma |
2024-10-09 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 24-297 |
Tamer Mahmoud, et al. v. Thomas W. Taylor, et al. |
2024-09-16 |
Paid |
Judgment Issued |
Manhattan Institute and Seven Psychologists |
Amicus |
Manhattan Institute |
| 23-1280 |
Parents Protecting Our Children, UA v. Eau Claire Area School District, Wisconsin, et al. |
2024-06-07 |
Paid |
Denied |
Manhattan Institute and Dr. Leor Sapir |
Amicus |
Manhattan Institute |
| 23-1084 |
Jill Hile, et al. v. Michigan, et al. |
2024-04-08 |
Paid |
Denied |
Manhattan Institute and Notre Dame Education Project |
Amicus |
Manhattan Institute |
| 23-833 |
Zachary Greenberg v. Jerry Lehocky, in His Official Capacity as Board Chair of the Disciplinary Board of the Supreme Court of Pennsylvania, et al. |
2024-02-02 |
Paid |
Denied |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 23-726 |
Mike Moyle, Speaker of the Idaho House of Representatives, et al. v. United States |
2024-01-05 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 23-727 |
Idaho v. United States |
2024-01-05 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 23-477 |
United States v. Jonathan Skrmetti, Attorney General and Reporter for Tennessee, et al. |
2023-11-06 |
Paid |
Judgment Issued |
Manhattan Institute and Dr. Leor Sapir |
Amicus |
Manhattan Institute |
| 23-411 |
Vivek H. Murthy, Surgeon General, et al. v. Missouri, et al. |
2023-10-20 |
Paid |
Judgment Issued |
Manhattan Institute, React19, and Three Vaccine-Injured Individuals |
Amicus |
Manhattan Institute |
| 23-329 |
Chong Yim, et al. v. City of Seattle, Washington |
2023-09-28 |
Paid |
Denied |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 23-175 |
City of Grants Pass, Oregon v. Gloria Johnson, et al., on Behalf of Themselves and All Others Similarly Situated |
2023-08-25 |
Paid |
Judgment Issued |
Manhattan Institute, Stephen Eide, and Judge Glock |
Amicus |
Manhattan Institute |
| 22-976 |
Merrick B. Garland, Attorney General, et al. v. Michael Cargill |
2023-04-07 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 22-800 |
Charles G. Moore, et ux. v. United States |
2023-02-23 |
Paid |
Judgment Issued |
Philanthropy Roundtable |
Amicus |
Manhattan Institute |
| 22-451 |
Loper Bright Enterprises, et al. v. Gina Raimondo, Secretary of Commerce, et al. |
2022-11-15 |
Paid |
Judgment Issued |
Manhattan Institute |
Amicus |
Manhattan Institute |
| 22-204 |
Melissa Elaine Klein, et vir v. Oregon Bureau of Labor and Industries |
2022-09-07 |
Paid |
GVR |
Manhattan Institute, Committee for Justice, and Cato Institute |
Amicus |
Manhattan Institute |
| 21-707 |
Students for Fair Admissions, Inc. v. University of North Carolina, et al. |
2021-11-15 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 21-614 |
Brian Green v. Pierce County, Washington |
2021-10-27 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 21-563 |
Warren M. Lent, et al. v. California Coastal Commission, et al. |
2021-10-18 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 21-541 |
Travis Tuggle v. United States |
2021-10-13 |
Paid |
Denied |
The Cato Institute and The Rutherford Institute |
Amicus |
Cato Institute |
| 21-468 |
National Pork Producers Council, et al. v. Karen Ross, in Her Official Capacity as Secretary of the California Department of Food & Agriculture, et al. |
2021-09-29 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 21-476 |
303 Creative LLC, et al. v. Aubrey Elenis, et al. |
2021-09-28 |
Paid |
Judgment Issued |
The Cato Institute and Hamilton Lincoln Law Institute |
Amicus |
Cato Institute |
| 21-454 |
Michael Sackett, et ux. v. Environmental Protection Agency, et al. |
2021-09-24 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 21-375 |
Joshua Gray v. Maine Department of Public Safety |
2021-09-09 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 21-226 |
Libertarian Party of Ohio, et al. v. Don Michael Crites, et al. |
2021-08-16 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 21-69 |
John Allison Huckabay v. Idaho |
2021-07-19 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1778 |
Westmoreland Mining Holdings LLC v. Environmental Protection Agency, et al. |
2021-06-23 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1735 |
Angel Manuel Ortiz-Diaz, et al. v. United States, et al. |
2021-06-17 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1530 |
West Virginia, et al. v. Environmental Protection Agency, et al. |
2021-05-04 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1203 |
Moose Jooce, et al. v. Food and Drug Administration, et al. |
2021-03-03 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1212 |
Peyman Pakdel, et ux. v. City and County of San Francisco, California, et al. |
2021-03-03 |
Paid |
GVR |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1214 |
Fred J. Eychaner v. City of Chicago, Illinois |
2021-03-03 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1195 |
Kansas Natural Resource Coalition v. Department of the Interior, et al. |
2021-03-01 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1088 |
David Carson, as Parent and Next Friend of O. C., et al. v. A. Pender Makin |
2021-02-09 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-1019 |
Jade Thompson v. Marietta Education Association, et al. |
2021-01-28 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-902 |
Kenneth E. Flick v. Merrick B. Garland, Attorney General |
2021-01-05 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-855 |
Maryland Shall Issue, Inc., et al. v. Lawrence J. Hogan, Jr., Governor of Maryland |
2020-12-29 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-843 |
New York State Rifle & Pistol Association, Inc., et al. v. Kevin P. Bruen, in His Official Capacity as Superintendent of New York State Police, et al. |
2020-12-23 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-812 |
Lisa M. Folajtar v. Merrick B. Garland, Attorney General, et al. |
2020-12-15 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-782 |
Raymond Holloway, Jr. v. Merrick B. Garland, Attorney General, et al. |
2020-12-08 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-6436 |
Daniel Lovato v. United States |
2020-11-25 |
IFP |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 20-579 |
Zimmian Tabb v. United States |
2020-11-02 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 20-426 |
William L. Huntress, et al. v. United States |
2020-10-02 |
Paid |
Rehearing |
The Cato Institute |
Amicus |
Cato Institute |
| 20-138 |
Joseph R. Biden, Jr., President of the United States, et al. v. Sierra Club, et al. |
2020-08-07 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-107 |
Cedar Point Nursery, et al. v. Victoria Hassid, et al. |
2020-08-03 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 20-97 |
Massachusetts Lobstermen's Association, et al. v. Gina M. Raimondo, Secretary of Commerce, et al. |
2020-07-30 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1434 |
United States v. Arthrex, Inc., et al. |
2020-06-29 |
Paid |
Judgment Issued |
Cato Institute and Prof. Gregory Dolin |
Amicus |
Cato Institute |
| 19-1368 |
Walmart Stores, Inc., et al. v. Texas Alcoholic Beverage Commission, et al. |
2020-06-12 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1257 |
Mark Brnovich, Attorney General of Arizona, et al. v. Democratic National Committee, et al. |
2020-04-30 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1177 |
American Institute for International Steel, Inc., et al. v. United States, et al. |
2020-03-27 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1136 |
Chong Yim, et al. v. City of Seattle, Washington |
2020-03-17 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1123 |
Leo Lech, et al. v. Chief John A. Jackson, et al. |
2020-03-16 |
Paid |
Denied |
The Cato Institute and Professor Ilya Somin |
Amicus |
Cato Institute |
| 19-7778 |
James William Hill, III v. United States |
2020-02-26 |
IFP |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-1029 |
Bethany Austin v. Illinois |
2020-02-19 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-930 |
CIC Services, LLC v. Internal Revenue Service, et al. |
2020-01-24 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 19-847 |
Jonathan Reisman v. Associated Faculties of the University of Maine, et al. |
2020-01-06 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-840 |
California, et al. v. Texas, et al. |
2020-01-03 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 19-793 |
Institute for Free Speech v. Rob Bonta, Attorney General of California |
2019-12-20 |
Paid |
GVR |
The Cato Institute |
Amicus |
Cato Institute |
| 19-688 |
Wells Fargo & Co., et al. v. City of Miami, Florida |
2019-11-27 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-675 |
Bank of America Corporation, et al. v. City of Miami, Florida |
2019-11-26 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-659 |
Miladis Salgado v. United States |
2019-11-21 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-454 |
Donald J. Trump, President of the United States, et al. v. Pennsylvania, et al. |
2019-10-07 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 19-402 |
Howard L. Baldwin, et ux. v. United States |
2019-09-25 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-333 |
Arlene's Flowers, Inc., dba Arlene's Flowers and Gifts, et al. v. Washington, et al. |
2019-09-12 |
Paid |
Rehearing |
The Cato Institute |
Amicus |
Cato Institute |
| 19-318 |
Francis A. Bottini, Jr., et al. v. City of San Diego, California, et al. |
2019-09-09 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-296 |
Damien Guedes, et al. v. Bureau of Alcohol, Tobacco, Firearms and Explosives, et al. |
2019-09-04 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 19-251 |
Americans for Prosperity Foundation v. Rob Bonta, Attorney General of California |
2019-08-26 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 19-255 |
Thomas More Law Center v. Rob Bonta, Attorney General of California |
2019-08-26 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 19-234 |
Libertarian National Committee, Inc. v. Federal Election Commission |
2019-08-22 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 19-67 |
United States v. Evelyn Sineneng-Smith |
2019-07-12 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 19-7 |
Seila Law LLC v. Consumer Financial Protection Bureau |
2019-06-28 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 18-1539 |
Domino's Pizza, LLC v. Guillermo Robles |
2019-06-13 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-1334 |
Financial Oversight and Management Board for Puerto Rico v. Aurelius Investment, LLC, et al. |
2019-04-24 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 18-1317 |
American Institute for International Steel, Inc., et al. v. United States, et al. |
2019-04-17 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-1293 |
Evergreen Freedom Foundation, dba Freedom Foundation v. Washington |
2019-04-12 |
Paid |
Denied |
Cato Institute and The Institute for Free Speech |
Amicus |
Cato Institute |
| 18-1240 |
Phil Kerpen, et al. v. Metropolitan Washington Airports Authority, et al. |
2019-03-25 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-1195 |
Kendra Espinoza, et al. v. Montana Department of Revenue, et al. |
2019-03-14 |
Paid |
Judgment Issued |
The Cato Institute |
Amicus |
Cato Institute |
| 18-1145 |
Minerva Dairy, Inc., et al. v. Brad Pfaff, in His Official Capacity as Secretary-designee of the Wisconsin Department of Agriculture, et al. |
2019-03-05 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-843 |
Ivan Pena, et al. v. Martin Horan, Director, California Department of Justice Bureau of Firearms |
2019-01-03 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-766 |
Teresa Bierman, et al. v. Tim Walz, Governor of Minnesota, et al. |
2018-12-17 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 18-755 |
Illinois Liberty PAC, et al. v. Kwame Raoul, Attorney General of Illinois, et al. |
2018-12-13 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-722 |
Soundboard Association v. Federal Trade Commission |
2018-12-06 |
Paid |
Denied |
Cato Institute and Southeastern Legal Foundation |
Amicus |
Cato Institute |
| 18-719 |
Kathleen Uradnik v. Inter Faculty Organization, et al. |
2018-12-04 |
Paid |
Denied |
Cato Institute and Yankee Institute |
Amicus |
Cato Institute |
| 18-663 |
Fredric Russell Mance, Jr., et al. v. William P. Barr, Attorney General, et al. |
2018-11-21 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 18-609 |
Joseph David Robertson v. United States |
2018-11-09 |
Paid |
GVR |
Cato Institute |
Amicus |
Cato Institute |
| 18-587 |
Department of Homeland Security, et al. v. Regents of the University of California, et al. |
2018-11-05 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 18-547 |
Melissa Elaine Klein, et vir v. Oregon Bureau of Labor and Industries |
2018-10-26 |
Paid |
GVR |
THE CATO INSTITUTE AND COMMITTEE FOR JUSTICE |
Amicus |
Cato Institute |
| 18-394 |
Denis P. Kelleher, et ux. v. New York State Department of Environmental Conservation |
2018-09-27 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-308 |
Anthony Rayshon Bethea v. North Carolina |
2018-09-11 |
Paid |
Denied |
Cato Institute |
Amicus |
Cato Institute |
| 18-302 |
Andrei Iancu, Under Secretary of Commerce for Intellectual Property and Director, Patent and Trademark Office v. Erik Brunetti |
2018-09-07 |
Paid |
Judgment Issued |
The Cato Institute, et. al. |
Amicus |
Cato Institute |
| 18-280 |
New York State Rifle & Pistol Association, Inc., et al. v. City of New York, New York, et al. |
2018-09-06 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 18-247 |
Animal Legal Defense Fund, et al. v. Department of Homeland Security, et al. |
2018-08-28 |
Paid |
Denied |
The Cato Institute |
Amicus |
Cato Institute |
| 18-96 |
Tennessee Wine and Spirits Retailers Association v. Russell F. Thomas, Executive Director of the Tennessee Alcoholic Beverage Commission, et al. |
2018-07-20 |
Paid |
Judgment Issued |
Cato Institute |
Amicus |
Cato Institute |
| 18-54 |
William A. Dabbs, Jr. v. Anne Arundel County, Maryland |
2018-07-10 |
Paid |
Denied |
Cato Institute and Reason Foundation |
Amicus |
Cato Institute |
| 18-15 |
James L. Kisor v. Robert Wilkie, Secretary of Veterans Affairs |
2018-07-02 |
Paid |
Judgment Issued |
The Cato Institute, et al. |
Amicus |
Cato Institute |