Supreme Court Term 2025-2026
We’re breaking down the cases we've asked the court to consider this term.
Latest Case Updates
Ongoing
Updated February 18, 2026
Ongoing
Updated January 26, 2026
Ongoing
Updated January 16, 2026
Ongoing
Updated January 9, 2026
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Missouri
Feb 2026
Voting Rights
Missouri v. U.S. Department of Commerce
A coalition of civil rights and immigrant-rights organizations has moved to intervene as defendants in a lawsuit that threatens to dismantle the Constitution’s long-standing requirement that the decennial census count all people living in the United States. Missouri asks the court to exclude undocumented immigrants and people living in the country on temporary visas from the census count used to determine congressional representation—an unprecedented move that would upend more than two centuries of constitutional practice.
Mississippi
Dec 2025
Voting Rights
White v. Mississippi State Board of Elections
District lines used to elect Mississippi’s Supreme Court have gone unchanged for more than 35 years. We’re suing because the current lines crack the Mississippi Delta and dilute the voting strength of Black Mississippians in state Supreme Court elections, in violation of the Voting Rights Act.
Court Case
Dec 2025
National Security
Human Rights
FOIA Case Seeking the Trump Administration’s Legal Justification for Deadly Boat Strikes
The Department of Justice’s Office of Legal Counsel (“OLC”) authored a legal opinion that reportedly claims to justify the Trump administration’s illegal lethal strikes on civilians in boats in the Caribbean Sea and eastern Pacific Ocean. Media reports indicate that, in addition to claiming that the strikes are lawful acts in an alleged “armed conflict” with unspecified drug cartels, the OLC opinion also purports to immunize personnel who authorized or took part in the strikes from future criminal prosecution. Because the public deserves to know how our government is justifying these illegal strikes, and why they think the people who carried them out should not be held accountable, the ACLU is seeking immediate release of the OLC legal opinion and related documents pursuant to the Freedom of Information Act.
U.S. Supreme Court
Dec 2025
Immigrants' Rights
Barbara v. Donald J. Trump
President Trump is attempting to undermine the promise of birthright citizenship to children born on U.S. soil. But the ACLU and partners are fighting to protect the rights of citizens that are plainly stated in the Constitution, federal statute, and reaffirmed by the Supreme Court for more than a century. We’re arguing against the Trump administration in the Supreme Court and are confident we will win.
U.S. Supreme Court
Nov 2025
Voting Rights
Racial Justice
Allen v. Milligan
Whether Alabama’s congressional districts violate Section 2 of the Voting Rights Act because they discriminate against Black voters. We succeeded in winning a new map for 2024 elections which, for the first time, has two congressional district that provide Black voters a fair opportunity to elect candidates of their choosing despite multiple attempts by Alabama to stop us at the Supreme Court. Despite this win, Alabama is still defending its discriminatory map, and a trial was held in February 2025 to determine the map for the rest of the decade.
In May 2025, a federal court ruled that Alabama's 2023 congressional map both violates Section 2 of the Voting Rights Act and was enacted by the Alabama Legislature with racially discriminatory intent.
Washington, D.C.
Oct 2025
Voting Rights
League of Women Voters Education Fund v. Trump
On March 25, 2025, in a sweeping and unprecedented Executive Order, President Trump attempted to usurp the power to regulate federal elections from Congress and the States. Among other things, the Executive Order directs the Election Assistance Commission—an agency that Congress specifically established to be bipartisan and independent—to require voters to show a passport or other citizenship documentation in order to register to vote in federal elections. If implemented, the Executive Order would threaten the ability of millions of eligible Americans to register and vote and upend the administration of federal elections.
On behalf of leading voter registration organizations and advocacy organizations, the ACLU and co-counsel filed a lawsuit to block the Executive Order as an unconstitutional power grab.
U.S. Supreme Court
Oct 2025
Voting Rights
State Board of Election Commissioners v. Mississippi State Conference of the NAACP
Mississippi has a growing Black population, which is already the largest Black population percentage of any state in the country. Yet. Black Mississippians continue to be significantly under-represented in the state legislature, as Mississippi’s latest districting maps fail to reflect the reality of the state’s changing demographics. During the 2022 redistricting process, the Mississippi legislature refused to create any new districts where Black voters have a chance to elect their preferred representative. The current district lines therefore dilute the voting power of Black Mississippians and continue to deprive them of political representation that is responsive to their needs and concerns, including severe disparities in education and healthcare.
U.S. Supreme Court
Oct 2025
Voting Rights
Louisiana v. Callais (Callais v. Landry)
Whether the congressional map Louisiana adopted to cure a Voting Rights Act violation in Robinson v. Ardoin is itself unlawful as a gerrymander.
Missouri
Sep 2025
Voting Rights
Wise v. Missouri
In unprecedented fashion, the State of Missouri has redrawn the district lines used for electing members of Congress for a second time this decade. These new district lines are gerrymandered and will harm political representation for all Missourians, particularly Black residents in Kansas City, who have been divided along racial lines.
All Cases
1,676 Court Cases
Nevada
Sep 2024
Reproductive Freedom
Silver State Hope Fund v. Nevada Department of Health and Human Services
Silver State Hope Fund, the American Civil Liberties Union, and the ACLU of Nevada prevailed in their challenge to Nevada’s ban on Medicaid coverage for abortion as sex-based discrimination in violation of the state constitution's Equal Rights Amendment (ERA). Filed in September 2024, the court's written order — which is not subject to additional challenge — concludes the case and requires the state’s Medicaid program to cover abortion care. Following this ruling, the state will begin to take steps to extend coverage to abortion. The case was the first legal challenge under the ERA, which Nevada voters overwhelmingly approved in 2022. Nevada joins 18 other states that cover abortion under their state Medicaid program.
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Nevada
Sep 2024
Reproductive Freedom
Silver State Hope Fund v. Nevada Department of Health and Human Services
Silver State Hope Fund, the American Civil Liberties Union, and the ACLU of Nevada prevailed in their challenge to Nevada’s ban on Medicaid coverage for abortion as sex-based discrimination in violation of the state constitution's Equal Rights Amendment (ERA). Filed in September 2024, the court's written order — which is not subject to additional challenge — concludes the case and requires the state’s Medicaid program to cover abortion care. Following this ruling, the state will begin to take steps to extend coverage to abortion. The case was the first legal challenge under the ERA, which Nevada voters overwhelmingly approved in 2022. Nevada joins 18 other states that cover abortion under their state Medicaid program.
Pennsylvania Supreme Court
Sep 2024
Voting Rights
Black Political Empowerment Project v. Schmidt
A statewide coalition of nonpartisan community organizations sued state and county officials, asserting that the practice of disenfranchising voters for failure to handwrite the date on the outer return envelope of their mail ballot packet, despite the lack of any purpose or use for the handwritten date, violates the fundamental right to vote guaranteed by the Pennsylvania Constitution’s Free and Equal Elections Clause.
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Pennsylvania Supreme Court
Sep 2024
Voting Rights
Black Political Empowerment Project v. Schmidt
A statewide coalition of nonpartisan community organizations sued state and county officials, asserting that the practice of disenfranchising voters for failure to handwrite the date on the outer return envelope of their mail ballot packet, despite the lack of any purpose or use for the handwritten date, violates the fundamental right to vote guaranteed by the Pennsylvania Constitution’s Free and Equal Elections Clause.
U.S. Supreme Court
Sep 2024
Criminal Law Reform
Racial Justice
Carpenter v. United States
This case concerns the First Step Act of 2018, in which Congress made major reductions to the mandatory minimum sentences for certain federal drug and firearm offenses. These changes result in sentences many decades shorter than were required under the previous laws. The question in this case was whether people who were initially sentenced prior to enactment of the First Step Act, but whose sentences were vacated and remanded for resentencing after enactment of the law, can benefit from its major reductions in applicable mandatory minimums. For defendants like Mr. Carpenter, who was originally sentenced to a draconian 116 years in prison as a result of the pre-First Step Act mandatory minimums, applying the First Step Act can mean the difference between dying in prison and having the opportunity to eventually go free. Unfortunately, although there is a split among federal courts of appeals on this question, the Supreme Court denied cert in this case in February 2024.
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U.S. Supreme Court
Sep 2024
Criminal Law Reform
Racial Justice
Carpenter v. United States
This case concerns the First Step Act of 2018, in which Congress made major reductions to the mandatory minimum sentences for certain federal drug and firearm offenses. These changes result in sentences many decades shorter than were required under the previous laws. The question in this case was whether people who were initially sentenced prior to enactment of the First Step Act, but whose sentences were vacated and remanded for resentencing after enactment of the law, can benefit from its major reductions in applicable mandatory minimums. For defendants like Mr. Carpenter, who was originally sentenced to a draconian 116 years in prison as a result of the pre-First Step Act mandatory minimums, applying the First Step Act can mean the difference between dying in prison and having the opportunity to eventually go free. Unfortunately, although there is a split among federal courts of appeals on this question, the Supreme Court denied cert in this case in February 2024.
U.S. Supreme Court
Sep 2024
Immigrants' Rights
Human Rights
Bouarfa v. Mayorkas
Whether a U.S. citizen gets a day in court to challenge the federal government’s revocation of her spouse’s immigrant visa.
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U.S. Supreme Court
Sep 2024
Immigrants' Rights
Human Rights
Bouarfa v. Mayorkas
Whether a U.S. citizen gets a day in court to challenge the federal government’s revocation of her spouse’s immigrant visa.
Indiana Supreme Court
Sep 2024
Civil Liberties
J.F. v. St. Vincent Hospital
This case in the Indiana Supreme Court concerns whether a case is moot when someone is released from a civil commitment while appealing the commitment order. The ACLU’s State Supreme Court Initiative, alongside the ACLU of Indiana, filed an amicus brief arguing that the appellant’s case is not moot, despite her release from civil commitment, because the Indiana Constitution favors adjudicating appeals by people whose liberty has been curtailed, because it meets a traditional mootness exception for cases that at capable of repetition yet evading review, and because it also meets Indiana’s public interest exception to mootness.
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Indiana Supreme Court
Sep 2024
Civil Liberties
J.F. v. St. Vincent Hospital
This case in the Indiana Supreme Court concerns whether a case is moot when someone is released from a civil commitment while appealing the commitment order. The ACLU’s State Supreme Court Initiative, alongside the ACLU of Indiana, filed an amicus brief arguing that the appellant’s case is not moot, despite her release from civil commitment, because the Indiana Constitution favors adjudicating appeals by people whose liberty has been curtailed, because it meets a traditional mootness exception for cases that at capable of repetition yet evading review, and because it also meets Indiana’s public interest exception to mootness.