Amicus Briefs

Americans for Prosperity and Americans for Prosperity Foundation frequently write amicus curiae briefs to support other litigants and present important issues to courts. Please contact us at amicus@afphq.org if you would like amicus support for your case.

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Year

Issue Area

Court

2026
Relentless, Inc. v. Department of Commerce
Question Presented

Does the Magnuson-Stevens Act give the National Marine Fisheries Service the authority to require that certain fishermen pay the salaries of agency-approved at-sea monitors, and did the district court properly apply Loper Bright’s independent, best-judgment interpretive standard?

2026
Hirsch et al. v. Commissioner of Internal Revenue
Question Presented

Whether the Internal Revenue Code violates the Seventh Amendment and Article III by authorizing the IRS to order the payment of monetary penalties for fraud without providing the taxpayer a jury trial.

2025
The Buckeye Institute v. Internal Revenue Service
Question Presented

Whether exacting scrutiny governs a First Amendment challenge to 26 U.S.C. § 6033(b)(5)’s requirement that nonprofit organizations disclose their “substantial contributors.

2025
Canna Provisions Inc. v. Bondi
Question Presented

(1) Should the Court overrule Raich’s holding that Congress can regulate purely local economic activity if there is any “rational basis” that such activity substantially affects interstate commerce? (2) Has Congress validly prohibited the purely local growing, distribution, and possession of state-regulated marijuana under the Commerce Clause and Necessary and Proper Clause?

2025
National Rifle Association of America v. Vullo
Question Presented

When it is obvious that a government official’s conduct violates the Constitution under longstanding Supreme Court precedent, is the violation clearly established for purposes of qualified immunity despite some factual distinctions that are irrelevant under the governing constitutional rule?

2025
Gun Owners of America, Inc. v. ATF
Question Presented

Does a federal court enjoy equitable authority under the Freedom of Information Act to order the return or destruction of records released by an agency, even when such disclosure is allegedly inadvertent, and can it also prohibit further use or dissemination of such records by their recipient.

2025
In re Liam M.
Question Presented

Does a family court order, which authorizes Child Services to enter and search an innocent mother’s home and supervise her parenting, violate the mother’s Fourth Amendment right to be free from unreasonable searches?

2025
Leck v. Wyoming Education Association
Question Presented

Does the Wyoming ESA Program violate the Wyoming Constitution?

*The Wyoming Supreme Court denied leave to file this brief.

2025
Trump v. Slaughter
Question Presented

Whether the statutory removal protections for members of the Federal Trade Commission violate the separation of powers and, if so, whether Humphrey’s Executor v. United States should be overruled.

2025
First Choice Women’s Resource Centers, Inc. v. Platkin
Question Presented

Whether, when the subject of a state investigatory demand has established a reasonably objective chill of its First Amendment rights, a federal court in a first-filed action is deprived of jurisdiction because those rights must be adjudicated in state court.

2025
Villarreal v. Alaniz
Question Presented

(1) Whether it obviously violates the First Amendment to arrest someone for asking government officials questions and publishing the information they volunteer; and (2) whether qualified immunity is unavailable to public officials who use a state statute in a way that obviously violates the First Amendment, or instead shields those officials.

2025
Case v. Montana
Question Presented

Whether law enforcement may enter a home without a search warrant based on less than probable cause that an emergency is occurring, or whether the emergency-aid exception requires probable cause.

Amicus Commentary

All
  • All
Can calling an artist a “monopoly of one” displace the First Amendment?

Public accommodations laws “help ensure a free and open economy.” Traditionally, public accommodations laws have been applied to, well, public accommodations, such as hotels, or “what the old common law promised to any member of the public wanting a meal at the inn, that accepting the usual terms of service, they will not be turned…

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New AFP Foundation brief seeks to close legal loophole banning religious schools from tuition assistance

Should a child’s opportunity for education turn on the religious perspective of the child? Should it turn on the religious perspective of the school? What if the school is just a little bit religious? Or too religious? Would that matter? It would if the child lives in an area of Maine with no public school.…

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Cheerleading, social media, and free speech: What the Supreme Court’s decision in Mahanoy School District v. B.L. means for students’ First Amendment rights

One of the biggest student free speech cases in the last half century started with a high school cheerleader and a profanity-laced Snapchat. The implications of that terse, ephemeral message extend well beyond the original hundred-plus friends with whom the freshman student shared her post. In a decision today, the U.S. Supreme Court ruled 8-1…

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Supreme Court unanimously rules FTC must comply with the law

Today, the Supreme Court ruled 9-0 in an opinion delivered by Justice Breyer that the Federal Trade Commission must comply with the law and end its ultra vires pursuit of money damages. The opinion presents a straightforward statutory interpretation of the scope of FTC enforcement power under Section 13(b) of the FTC Act, which allows…

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