Supreme Court Term 2025-2026
We’re breaking down the cases we've asked the court to consider this term.
Latest Case Updates
Closed (Judgment)
Updated June 29, 2026
Ongoing
Updated June 26, 2026
Ongoing
Updated June 25, 2026
Closed (Judgment)
Updated June 18, 2026
Featured
Florida
Jul 2026
National Security
+2 Issues
CAIR-Foundation, Inc and CAIR Florida, Inc. v. DeSantis et al.
The ACLU, the ACLU of Florida, the Southern Poverty Law Center, and their partners represent CAIR and CAIR-Florida in two federal lawsuits challenging Governor DeSantis’s unconstitutional and baseless designation of the nonprofits as “terrorist.” The lawsuits allege violations of CAIR and CAIR-Florida’s rights under the First Amendment and the due process clause of the Fourteenth Amendment.
Massachusetts
Jun 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.
Court Case
May 2026
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.
New Hampshire
May 2026
Voting Rights
Coalition for Open Democracy v. Scanlan
This lawsuit challenges HB 1569, a new law that will make New Hampshire the only state to require every person to produce documentary proof of citizenship when they register to vote for both state and federal elections. It also challenges HB 1569’s elimination a preexisting protection for voters—namely, an affidavit option that allowed voters who faced surprise challenges to their eligibility at the polls to swear to their qualifications and cast a ballot. Accordingly, HB 1569 violates the First and Fourteenth Amendments of the U.S. Constitution by placing substantial burdens on New Hampshirites at all stages of the voting process, and will arbitrarily disenfranchise hundreds, if not thousands of qualified voters.
U.S. Supreme Court
May 2026
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.
U.S. Supreme Court
Apr 2026
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.
Tennessee Supreme Court
Apr 2026
Capital Punishment
Tony Von Carruthers v. State of Tennessee
Tennessee plans to execute Tony Carruthers on May 21 even though they refuse to run a simple fingerprint comparison and DNA testing that could prove what Tony has been arguing for 30 years - that he is innocent of this crime and that Tennessee convicted and sentenced the wrong man to death.
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.
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.
All Cases
1,718 Court Cases
Court Case
Feb 2026
National Security
ACLU v. Department of Homeland Security (CP3 FOIA)
In 2021, the Department of Homeland Security announced the establishment of the Center for Prevention Programs and Partnerships, also known as CP3, and a domestic terrorism branch within the Office of Intelligence and Analysis. These initiatives are a product of DHS's new measures to address domestic violent extremism, and little is known about these programs and the effects they'll have on members of the public. DHS has a history of similar harmful programs, which have targeted communities of color, immigrants and Muslim communities. The public has a right to know about the impacts of CP3 and the I&A domestic terrorism branch on the civil rights, liberties and privacy of communities of color, immigrants and other marginalized communities. In 2022, the ACLU submitted a FOIA request to compel the government to release information about these initiatives. It is imperative that the public gain a greater understanding about the policies, practices, methods and goals of both CP3 and the I&A domestic terrorism branch. After DHS produced records, the ACLU dismissed the case in February 2026.
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Court Case
Feb 2026
National Security
ACLU v. Department of Homeland Security (CP3 FOIA)
In 2021, the Department of Homeland Security announced the establishment of the Center for Prevention Programs and Partnerships, also known as CP3, and a domestic terrorism branch within the Office of Intelligence and Analysis. These initiatives are a product of DHS's new measures to address domestic violent extremism, and little is known about these programs and the effects they'll have on members of the public. DHS has a history of similar harmful programs, which have targeted communities of color, immigrants and Muslim communities. The public has a right to know about the impacts of CP3 and the I&A domestic terrorism branch on the civil rights, liberties and privacy of communities of color, immigrants and other marginalized communities. In 2022, the ACLU submitted a FOIA request to compel the government to release information about these initiatives. It is imperative that the public gain a greater understanding about the policies, practices, methods and goals of both CP3 and the I&A domestic terrorism branch. After DHS produced records, the ACLU dismissed the case in February 2026.
Georgia
Feb 2026
Voting Rights
Pitts v. United States (Amicus)
The FBI raided Fulton County, Georgia, seizing ballots and other records from the 2020 election. This unprecedented seizure is a continuation of yearslong efforts to challenge Georgia's 2020 election results, now aided by federal law enforcement. Fulton County is fighting back, suing for the return of the records.
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Georgia
Feb 2026
Voting Rights
Pitts v. United States (Amicus)
The FBI raided Fulton County, Georgia, seizing ballots and other records from the 2020 election. This unprecedented seizure is a continuation of yearslong efforts to challenge Georgia's 2020 election results, now aided by federal law enforcement. Fulton County is fighting back, suing for the return of the records.
Idaho
Feb 2026
Criminal Law Reform
Immigrants' Rights
Rodriguez, et al. v. Porter, et al.
On February 10, 2026, CLRP, along with the ACLU of Idaho and Wendy J. Olson, former U.S. Attorney for the District of Idaho, and partner at Stoel Rives, filed a putative class action lawsuit challenging an immigration raid carried out at a popular family event in Wilder, Idaho in October 2025.
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Idaho
Feb 2026
Criminal Law Reform
Immigrants' Rights
Rodriguez, et al. v. Porter, et al.
On February 10, 2026, CLRP, along with the ACLU of Idaho and Wendy J. Olson, former U.S. Attorney for the District of Idaho, and partner at Stoel Rives, filed a putative class action lawsuit challenging an immigration raid carried out at a popular family event in Wilder, Idaho in October 2025.
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.
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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.
Florida
Feb 2026
Voting Rights
Hispanic Federation v. Byrd
Of all 50 states, Florida ranks 47th in percentage of its eligible citizens who are registered to vote. Yet, in May 2023, Florida Governor Ron DeSantis signed SB 7050, which bars any noncitizen — regardless of lawful residence status — from working or volunteering for third-party voter registration organizations (3PVROs) who register eligible Floridians to vote. In practice, the law imposes a $50,000 fine on a 3PVRO for each noncitizen who engages in voter-registration work on a 3PVRO’s behalf. This law would silence and put out of business countless community-based groups that rely on both citizens and noncitizens to help eligible voters in their communities participate in their democracy.
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Florida
Feb 2026
Voting Rights
Hispanic Federation v. Byrd
Of all 50 states, Florida ranks 47th in percentage of its eligible citizens who are registered to vote. Yet, in May 2023, Florida Governor Ron DeSantis signed SB 7050, which bars any noncitizen — regardless of lawful residence status — from working or volunteering for third-party voter registration organizations (3PVROs) who register eligible Floridians to vote. In practice, the law imposes a $50,000 fine on a 3PVRO for each noncitizen who engages in voter-registration work on a 3PVRO’s behalf. This law would silence and put out of business countless community-based groups that rely on both citizens and noncitizens to help eligible voters in their communities participate in their democracy.