Our featured cases
We litigate in state and federal courts nationwide—at the trial, appellate, and Supreme Court levels—to preserve the rights and values embedded in the Constitution.
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CASA v. Trump (2025):
Obtained a ruling from the U.S. District Court of Maryland granting a class-wide preliminary injunction against the President's second attempt to limit birthright citizenship
CASA v. Trump (2025):
Filed a reply brief in support of Plaintiffs' renewed motion for a temporary restraining order or preliminary injunction against the 2026 Executive Order
CASA v. Trump (2025):
Filed a renewed motion for a temporary restraining order or preliminary injunction against the 2026 Executive Order
CASA v. Trump (2025):
Filed a supplemental complaint alleging that the 2026 Executive Order violates the Citizenship Clause of the Fourteenth Amendment and the Immigration and Nationality Act
CASA v. Trump (2025):
Filed a reply brief in support of Plaintiffs' motion for a temporary restraining order or preliminary injunction against the 2026 Executive Order
CASA v. Trump (2025):
Filed a motion for a temporary restraining order or preliminary injunction against the 2026 Executive Order
Freedom of the Press Foundation v. Trump:
Filed a brief on behalf of the Freedom of the Press Foundation and CREW in the U.S. Court of Appeals for the D.C. Circuit
Singleton v. Taylor:
Filed a brief in opposition in Taylor v. Singleton on behalf of the respondent, who brought a successful First Amendment challenge to a set of Alabama laws criminalizing begging
Welty v. Dunaway:
Filed a reply brief in the U.S. Court of Appeals for the Sixth Circuit
Southeastern Synod of the Evangelical Lutheran Church in America v. Finney:
Obtained order denying preliminary injunction motion
CASA v. Trump (2025)
State of Indiana ex rel. Rokita v. Marté
U.S. v. 14.259 Acres of Land in Doña Ana County, New Mexico
U.S. v. County of Washtenaw
Issues
See where the rule of law meets real-world threats.
Browse our cases by issue area, from political violence to free expression and government accountability.
Amicus Briefs
ICAP submits amicus briefs to provide courts with expert constitutional analysis, historical context, and policy insight on issues that affect democracy, the rule of law, and civil rights. Through these briefs, ICAP helps ensure that broader constitutional principles and public interests are fully represented in judicial decisions.
We bring novel legal claims – and we prevail.
Rupa Bhattacharyya, Legal Director