LGML v. Noem
Last update: Oct 15, 2025
This lawsuit seeks to stop the Trump administration from unlawfully expelling hundreds of unaccompanied Guatemalan children from the United States.
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CLINIC v. Rubio
CLINIC v. Rubio
This lawsuit challenges the Trump administration’s sweeping suspension of immigrant visa processing for people from 75 countries.
Last update: Feb 2, 2026
Perez-Funez, et al. v. U.S. Department of Homeland Security, et al.
Perez-Funez, et al. v. U.S. Department of Homeland Security, et al.
This lawsuit established the basic procedural safeguards that all unaccompanied children must receive to prevent their unlawful removal from the United States.
Last update: Jan 21, 2026
United States of America v. State of California
United States of America v. State of California
This amicus brief was filed in support of California’s laws that ban law enforcement from wearing masks and require that officers identify themselves.
Last update: Jan 13, 2026
Harris et al. v. Lee et al.
Harris et al. v. Lee et al.
This lawsuit challenges Governor Bill Lee’s unlawful activation and deployment of the Tennessee National Guard as a police force at President Trump’s request.
Last update: Nov 17, 2025
LGML v. Noem
LGML v. Noem
This lawsuit seeks to stop the Trump administration from unlawfully expelling hundreds of unaccompanied Guatemalan children from the United States.
Last update: Oct 15, 2025
Davids v. Adams
Davids v. Adams
This lawsuit seeks to stop the enforcement of Idaho's HB 135, a bill that will force people to prove that they are “lawfully present” to access life-saving health care, including HIV medication and...
Last update: Sep 10, 2025
USA v. Students (Formally United States of America v. Texas)
USA v. Students (Formally United States of America v. Texas)
This case seeks to overturn the injunction of the Texas Dream Act, a landmark law which guarantees all eligible Texas high school graduates—regardless of their immigration status—in-state tuition at Texas state higher education...
Last update: Oct 2, 2025
CHIRLA v. U.S. DEPARTMENT OF HOMELAND SECURITY
CHIRLA v. U.S. DEPARTMENT OF HOMELAND SECURITY
This lawsuit challenges a rule by the Trump administration, which requires millions of people to register with the federal government and carry proof of their registration with them at all times, or risk federal criminal...
Last update: Apr 10, 2025
State of Texas v. U.S. Department of Homeland Security
State of Texas v. U.S. Department of Homeland Security
Texas and other states sued the federal government to stop the Keeping Families Together Parole in Place policy, which allows eligible noncitizens to apply for work authorization and adjustment of status in the U.S. without having to leave the...
Last update: Oct 31, 2024
Kansas v. United States
Kansas v. United States
NILC is defending the Biden administration’s regulation allowing DACA recipients to access coverage through the Affordable Care Act against a lawsuit brought by Kansas and 18 other...
Last update: Jan 7, 2025
Padres Unidos de Tulsa v. Drummond
Padres Unidos de Tulsa v. Drummond
Case challenging the constitutionality of Oklahoma’s HB 4156, a law which seeks to usurp federal authority to regulate immigration.
Last update: Oct 30, 2024
LUPE v. TEXAS
LUPE v. TEXAS
Case challenging the constitutionality of Texas’ S.B. 4, a law which seeks to usurp federal authority to regulate immigration.
Last update: Aug 29, 2024
St-Hilaire v. Commissioner of the Indiana Bureau of Motor Vehicles
St-Hilaire v. Commissioner of the Indiana Bureau of Motor Vehicles
This lawsuit challenged a discriminatory law in Indiana, which granted driver’s licenses and state IDs solely to Ukrainian immigrants with humanitarian parole and excluded people with parole from all other...
Last update: Aug 29, 2024
Catholic Legal Immigration Network v. Executive Office for Immigration Review
Catholic Legal Immigration Network v. Executive Office for Immigration Review
This lawsuit challenged the Trump administration’s massive fee increases for filings in immigration court.
Last update: Sep 11, 2024
Make the Road New York v. Pompeo
Make the Road New York v. Pompeo
The first federal lawsuit to challenge the Trump administration’s expansion of the three “public charge” rules that would have transformed the United States’ longstanding family-based immigration system into a system that favored the...
Last update: Aug 29, 2024