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 March 16, 2026
Ongoing
Updated March 12, 2026
Ongoing
Updated February 25, 2026
Ongoing
Updated February 18, 2026
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Massachusetts
Apr 2026
Voting Rights
League of Women Voters of Massachusetts v. Trump
On March 31, 2026, President Trump issued a sweeping Executive Order titled "Ensuring Citizen Verification and Integrity in Federal Elections," seeking once again to seize control of election administration from Congress and the states. The Order directs federal agencies to compile lists of U.S. citizens and transmit them to states before every election, directs the U.S. Postal Service -- an independent agency established by Congress -- to create a list of "approved" mail voters, and instructs USPS to refuse to deliver ballots from voters not on that federally created list. If implemented, the Order would threaten the ability of millions of eligible citizens to cast their ballots, particularly military members, overseas citizens, the elderly, recently naturalized citizens, and voters with disabilities who rely on mail voting.
U.S. Supreme Court
Feb 2026
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.
Missouri
Feb 2026
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.
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
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.
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1,692 Court Cases
Arizona Supreme Court
Sep 2024
Voting Rights
Richer v. Fontes (Amicus)
Will nearly 100,000 Arizona voters who have long been registered as “full ballot” voters who can vote in all federal, state, and local elections in Arizona be penalized and disenfranchised from voting due to a technical error by the State of Arizona discovered on the eve of the November 2024 election?
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Arizona Supreme Court
Sep 2024
Voting Rights
Richer v. Fontes (Amicus)
Will nearly 100,000 Arizona voters who have long been registered as “full ballot” voters who can vote in all federal, state, and local elections in Arizona be penalized and disenfranchised from voting due to a technical error by the State of Arizona discovered on the eve of the November 2024 election?
Texas
Sep 2024
Voting Rights
America First Policy Institute v. Biden
The ACLU, along with several partner organizations, are representing the rights of voters by intervening in a lawsuit that seeks to make it harder for Americans across the country to register to vote, including in the upcoming 2024 election. In 2021, President Biden signed an executive order aimed at promoting access to voter registration and election information to eligible voters on a nonpartisan basis. Now, on the eve of the 2024 election, a small group of political candidates and election administrators seek to block the executive order, based on speculation and unfounded claims of election manipulation and noncitizen voting. The ACLU and its partners are fighting to preserve the ability of eligible Americans to register to vote, in accordance with federal law.
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Texas
Sep 2024
Voting Rights
America First Policy Institute v. Biden
The ACLU, along with several partner organizations, are representing the rights of voters by intervening in a lawsuit that seeks to make it harder for Americans across the country to register to vote, including in the upcoming 2024 election. In 2021, President Biden signed an executive order aimed at promoting access to voter registration and election information to eligible voters on a nonpartisan basis. Now, on the eve of the 2024 election, a small group of political candidates and election administrators seek to block the executive order, based on speculation and unfounded claims of election manipulation and noncitizen voting. The ACLU and its partners are fighting to preserve the ability of eligible Americans to register to vote, in accordance with federal law.
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.
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.
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.