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State Attorney General Federal Litigation Tracker
Case Status Key: Successfully Blocked Case Pending Policy Allowed
Case Name / Matter
Date Filed
Matter Summary
Category
Lead States
AG Posture: Plaintiff
Illinois v. United States Department of Health and Human Services
September 02, 2026
AG coalition and the governor of Pennsylvania sue to challenge a new Department of Health and Human Services rule that would prohibit federal reimbursement for gender-affirming care for adolescents in Medicaid and the Children’s Health Insurance Program.
Additional States:
Colorado;
Delaware;
Hawaii;
Maine;
Michigan;
Minnesota;
Nevada;
New Jersey;
New York;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-14051
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
New York v. Department of Health and Human Services
August 27, 2026
AGs sue to block new conditions on Title X family planning funds which penalize states and providers that refuse to abandon nondiscrimination protections or conform public family planning programs to the administration's narrow ideological agenda.
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-03405
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
California v. United States Postal Service
August 26, 2026
AG coalition and the governor of Pennsylvania sue the United States Postal Service to block a new rule that seeks to usurp states’ control of mail voting in elections by establishing a national voter list and directing the U.S. Postal Service to transmit mail ballots only to voters on the list.
Democracy Protection/Voting Rights
California;
Massachusetts;
Nevada;
Washington
Key Dates:
08/27/26: TRO Granted
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Virginia;
Wisconsin;
District of Columbia
Nevada sues the Trump administration to block new federal rules and guidelines restricting Colorado River water use in the state.
Executive Power;
Environment/Climate
Nevada
Key Dates:
Additional States:
Government Parties:
Department of the Interior
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 2:26-cv-02665
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Illinois v. Department of Homeland Security
August 13, 2026
AG coalition sues to stop the Department of Homeland Security from seizing the names, dates of birth, and Social Security numbers of 17 million commercial drivers from a nationwide database.
Immigration;
Executive Power
California;
Illinois;
Virginia;
District of Columbia
Key Dates:
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
Oregon;
Vermont;
Washington;
Wisconsin
Government Parties:
Department of Homeland Security
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-mc-00019
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Illinois v. Department of Transportation
August 13, 2026
AG coalition and the governor of Pennsylvania sue to stop the Department of Transportation from seizing the names, dates of birth, and Social Security numbers of 17 million commercial drivers from a nationwide database.
Immigration;
Executive Power
California;
Illinois;
Virginia;
District of Columbia
Key Dates:
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Massachusetts;
Michigan;
Nevada;
New Jersey;
New Mexico;
New York;
Oregon;
Vermont;
Washington;
Wisconsin
Government Parties:
Department of Transportation
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-02547
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
New York v. Administration for Children and Families
August 03, 2026
AG coalition and the governors of Pennsylvania and Kentucky sue the Trump administration to block a notice relating to the Temporary Assistance for Needy Families program that authorizes the wholesale sharing of recipients’ most sensitive personal information with any federal, state, or private entity, including the Department of Homeland Security.
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-02726
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Oregon v. Trump
August 03, 2026
AG coalition and the governors of Kentucky and Pennsylvania sue the Trump administration for instituting another round of unlawful and arbitrary tariffs, these justified by an alleged desire to reduce forced labor as a pretext for this new illegal tariff scheme.
Executive Power;
Consumer Protection
Oregon
Key Dates:
Additional States:
Arizona;
California;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
North Carolina;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin
Government Parties:
President Trump;
Customs and Border Protection
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-03467
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
California v. Kennedy
July 31, 2026
AG coalition and the governor of Pennsylvania file a lawsuit to challenge a federal rule that would illegally undermine the Affordable Care Act and make health insurance more expensive.
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 4:26-cv-07991
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Illinois v. FEMA
July 23, 2026
AG coalition files lawsuit challenging the Trump Administration for imposing unlawful conditions on billions of dollars in federal grants that help States and local governments prepare for, protect against, respond to, and recover from catastrophic disasters by requiring States to adopt its preferred policies to receive these grants, including complying with new immigration enforcement mandates, accepting new election administration requirements, and allowing funding to be terminated based on vague and subjective criteria.
Immigration;
Funding Freeze;
Executive Power;
Democracy Protection/Voting Rights
California;
Illinois;
New Jersey;
Rhode Island
Key Dates:
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
North Carolina;
Oregon;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Homeland Security;
FEMA
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-00485
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Massachusetts v. EPA
July 21, 2026
AG coalition files a Petition for Review challenging a proposed Environmental Protection Agency rule that would weaken regulations designed to phase out the use of hydrofluorocarbons in commercial equipment.
Environment/Climate
California;
Massachusetts;
Washington
Key Dates:
Additional States:
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Jersey;
New York;
Oregon;
Rhode Island;
Vermont;
Wisconsin;
District of Columbia
Government Parties:
EPA
AG Posture: Plaintiff
Court Filings: Link to Appellate Court Filing: Appellate Link
Docket Number: 26-1193
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Massachusetts v. Oz
June 29, 2026
AG coalition and the governors of Pennsylvania and Kentucky sue the Trump Administration's over its unlawful implementation of new Medicaid work requirements included in the One Big Beautiful Bill Act, challenging provisions of an interim final rule published by the U.S. Department of Health and Human Services and Centers for Medicare & Medicaid Services.
Healthcare
California;
Massachusetts;
New Jersey
Key Dates:
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-12962
TRO / PI: PI Denied
Status: Challenged policy temporarily allowed
Maryland v. Hegseth
June 10, 2026
AG coalition sued the Trump administration over the addition of new terms to federal contracts that – in the name of purging “diversity, equity, and inclusion” from federal contracting – impose unclear and confusing requirements on contractors that may depart from antidiscrimination policies that contractors have followed for decades, and threaten severe penalties on federal contractors without adequate notice of what is prohibited.
DEI/Civil Rights;
Funding Freeze
California;
Illinois;
Maryland
Key Dates:
Additional States:
Colorado;
Connecticut;
Hawaii;
Maine;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Commerce;
Department of Homeland Security;
Department of Justice;
Department of the Interior;
Department of Agriculture;
Department of Labor;
Department of Health and Human Services;
Department of Housing and Urban Development;
Department of Transportation;
Department of Energy;
Department of Veteran Affairs;
Department of Defense;
General Services Administration
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-02322
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Maryland v. Department of Education
May 19, 2026
AG coalition sues the U.S. Department of Education over a new rule that unlawfully limits access to federal student loans by narrowing the federal definition of “professional degree” and imposes restrictions Congress did not authorize, unlawfully excluding many degree programs that qualify under the standards established by federal law.
Education
Colorado;
Maryland;
Nevada;
New York
Key Dates:
Additional States:
Arizona;
California;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Massachusetts;
Michigan;
Minnesota;
New Jersey;
New Mexico;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Education
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-01957
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
California v. Trump
April 03, 2026
AG coalition and Pennsylvania governor Shapiro sue to block President Trump’s mail-in voting executive order.
Executive Power;
Democracy Protection/Voting Rights
California;
Massachusetts;
Nevada;
Washington
Key Dates:
06/25/26: Plaintiff Motion for Summary Judgment Granted in District Court
08/24/26: Lower Court decision Stayed by SCOTUS because they deemed the suit premature. EO must be implemented before it can be sued on.
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Virginia;
Wisconsin;
District of Columbia
Government Parties:
President Trump;
Department of Homeland Security;
Department of Justice;
Social Security Administration
AG coalition (including the AG from the U.S. Virgin Islands), the Governor of Pennsylvania, and 10 cities and counties filed a petition for review challenging the U.S. Environmental Protection Agency’s (EPA) rescission of the Endangerment Finding, EPA’s formal acknowledgement that greenhouse gas emissions from motor vehicles contribute to air pollution that drives climate change and endangers public health and welfare; it has served as the legal basis under the Clean Air Act for limiting climate pollution from vehicles.
California;
Connecticut;
Massachusetts;
New York
Key Dates:
Additional States:
Arizona;
Colorado;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Government Parties:
EPA
AG Posture: Plaintiff
Court Filings: Link to Appellate Court Filing: Appellate Link
Docket Number: 26-1061
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
Massachusetts v. Department of Education
March 11, 2026
AG coalition sues the Trump Administration for demanding that higher education institutions provide detailed data on students that would jeopardize their privacy as well as leave institutions vulnerable to inadvertent errors and unreliable data, which could lead to costly penalties and baseless investigations into their practices.
Funding Freeze;
Education
California;
Maryland;
Massachusetts
Key Dates:
04/03/26: Preliminary Injunction granted. On 04/24/26, the District Court extended the P.I. to include Intervenors.
Additional States:
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Nevada;
New Jersey;
New York;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin
Government Parties:
OMB;
Department of Education
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AG coalition plus the governors of Pennsylvania and Kentucky sue the Trump administration for imposing global tariffs that do not fall within the limited circumstances required by the relevant statute.
Executive Power;
Consumer Protection
Arizona;
California;
New York;
Oregon
Key Dates:
05/07/26: Plaintiff Motion for Summary Judgment granted, finding Trump's latest tariffs illegal. Appeal filed in the Federal Circuit.
Additional States:
Colorado;
Connecticut;
Delaware;
Illinois;
Maine;
Minnesota;
Nevada;
New Jersey;
New Mexico;
North Carolina;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin
Government Parties:
President Trump;
Department of Homeland Security;
Customs and Border Protection
New York v. Department of Health and Human Services
January 13, 2026
AGs sue the Trump administration for unlawfully conditioning hundreds of billions of dollars in federal funding on states’ agreement to discriminate against transgender people.
DEI/Civil Rights;
Funding Freeze;
LGBTQ+ Rights
New York;
Oregon
Key Dates:
03/12/26: Case Stayed until resolution of related case - Rhode Island Coalition Against Domestic Violence v. Kennedy
Government Parties:
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:26-cv-00022
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
New York v. Vought
December 22, 2025
AGs sue to stop the Trump administration from completely defunding the Consumer Financial Protection Bureau.
Executive Power;
Consumer Protection
California;
Colorado;
New Jersey;
New York;
Oregon
Key Dates:
Additional States:
Arizona;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Mexico;
North Carolina;
Rhode Island;
Vermont;
Wisconsin;
District of Columbia
Government Parties:
Consumer Financial Protection Bureau
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 0:25-cv-02384
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
California v. Mullin
December 12, 2025
AGs sue the Trump administration for imposing a $100,000 supplemental fee on H-1B visa petitions.
Immigration
California;
Massachusetts
Key Dates:
06/08/26: Summary Judgment granted to Plaintiffs
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maryland;
Michigan;
Minnesota;
Nevada;
New Jersey;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin
Government Parties:
Department of State;
Department of Homeland Security;
Department of Justice;
Department of Labor
AGs sue the Department of Agriculture for issuing new SNAP guidance that illegally restricts program eligibility for lawful permanent residents.
Funding Freeze
New York;
Oregon
Key Dates:
06/15/26: Case Dismissed in Circuit Court
12/15/25: Plaintiffs' Motion for a Preliminary Injunction GRANTED, effective immediately. Further, the Court adopts the arguments raised in Plaintiffs' Motion and Reply and orders that the exclusionary period is extended until April 9, 2026.
Additional States:
California;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
North Carolina;
Rhode Island;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Agriculture
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue the Department of Homeland Security and FEMA for imposing unlawful conditions on grants and imposing new barriers to states accessing emergency management dollars, disaster relief, and funds for police and emergency response personnel.
Immigration;
Funding Freeze;
Executive Power
Michigan;
Oregon
Key Dates:
05/05/26: Joint Voluntary Dismissal filed by the parties. Granted by Ninth Circuit 05/13/26.
12/23/25: District Court grants Plaintiff Motion for Summary Judgment, holds defendants' updated conditions on grants were arbitrary and capricious.
.
Additional States:
Arizona;
Colorado;
Hawaii;
Maine;
Maryland;
Nevada;
New Mexico;
North Carolina;
Wisconsin
Government Parties:
Department of Homeland Security;
FEMA
AGs sue the Department of Education to block a new rule that strips Public Service Loan Forgiveness eligibility from people whose work is disfavored by the Trump administration, including supporting immigrant rights, DEI, and gender-affirming care.
Education
California;
Colorado;
Massachusetts;
New York
Key Dates:
02/10/26: Amended Complaint filed to add Virginia.
06/30/26: District Court rules in favor of AGs and dismisses case. Appeal filed 08/27/26.
Additional States:
Arizona;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
Rhode Island;
Vermont;
Virginia;
Washington;
Wisconsin;
District of Columbia
Massachusetts v. United States Department of Agriculture
October 28, 2025
AGs sue the Department of Agriculture for its unlawful refusal to fund SNAP benefits during the government shutdown.
Funding Freeze;
Executive Power
Arizona;
California;
Massachusetts;
Minnesota
Key Dates:
11/13: Case is moot with the government reopening
Additional States:
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Nevada;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
OMB;
Department of Agriculture
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue the Trump administration in the Court of Federal Claims for the illegal termination of competitive grants under the "Solar for All" zero-emissions technologies program.
Additional States:
Arizona;
California;
Colorado;
Connecticut;
Hawaii;
Illinois;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
President Trump
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:25-cv-01738
TRO / PI:
Status: Case Pending: No decision yet on harmful policy
New York v. Department of Justice
October 01, 2025
AGs sue the Department of Justice for illegally withholding legal grant funds because these funds might allegedly be used to help undocumented people secure legal services.
Immigration;
Funding Freeze;
Executive Power
Colorado;
Illinois;
New York;
Rhode Island
Key Dates:
11/24/25: Parties file Joint Stipulation to Dismiss Complaint without prejudice. Government agrees that the challenged provisions do not apply to the grants in question in this litigation and will release the funds.
12/17/25: Dismissal filed
Additional States:
Arizona;
California;
Connecticut;
Delaware;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Justice
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue over a new Department of Justice policy that illegally imposes immigration-enforcement conditions on states receiving Victims of Crime Act (VOCA) funds for programs like emergency shelter, sexual assault forensic exams, funeral services, and other services that help crime victims.
California;
Delaware;
Illinois;
New Jersey;
Rhode Island
Key Dates:
10/03/25: Trump administration announces they will be withdrawing these conditions on VOCA grants.
Additional States:
Colorado;
Connecticut;
Hawaii;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
Oregon;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Justice
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue the Department of Energy over a new policy that arbitrarily limits federal funding to state energy agencies that operate programs like weatherization and energy assistance programs by capping the sum of indirect costs and fringe benefits to 10% of the award amounts.
04/02/26: Voluntary Dismissal filed in appeal of Summary Judgment decision. Case closed.
09/29/25: District Court judge grants Plaintiff's Motion for Summary Judgment, concluding that the Department of Energy policy violated the Administrative Procedure Act (APA)
10/08/25: Defendants Move to Stay in light of government shutdown and are Denied. Case continues.
11/10/25: Court issues final order of Summary Judgment in favor of Plaintiffs and dismisses federal government's Motion to Dismiss.
Additional States:
California;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Nevada;
New Mexico;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Energy
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue to block President Trump's "Denial of Care" Executive Order that threatened civil and criminal prosecution to any healthcare provider that provides gender-affirming care for anyone under age 19.
LGBTQ+ Rights
California;
Connecticut;
Illinois;
Massachusetts;
New York
Key Dates:
06/03/26: The District Court Denied the government's Motion to Dismiss because Plaintiff States have standing to bring their claims, issuance of the Memos was a final agency action, the Memos’ policy pronouncements are not committed to agency discretion by law, and Plaintiffs state a claim under the Tenth Amendment.
Additional States:
Delaware;
Hawaii;
Maine;
Maryland;
Michigan;
Nevada;
New Jersey;
New Mexico;
Rhode Island;
Wisconsin;
District of Columbia
Government Parties:
President Trump;
Department of Justice
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
California v. Department of Health and Human Services
July 29, 2025
AGs sue to block the unconstitutional "Defund Provision" of the 2025 reconciliation law that forbids states from using Medicaid dollars to pay for healthcare services provided at Planned Parenthood health centers.
Reproductive Rights;
Healthcare
California;
Connecticut;
New York
Key Dates:
12/02/25: Preliminary Injunction granted in district court.
12/30/25: In the First Circuit, Administrative Stay lifted but Motion for Stay Pending Appeal is Granted, allowing cuts to proceed as planned pending resolution on the merits.
03/17/26: Plaintiff-AGs file Notice of Voluntary Dismissal
Additional States:
Colorado;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Health and Human Services
AGs sue the Department of Agriculture over its demand that states turn over personal and sensitive information about millions of Supplemental Nutrition Assistance Program recipients.
Immigration;
Executive Power;
Privacy/Technology
California;
New York
Key Dates:
10/15/25: Preliminary Injunction Granted by District Court
02/26/26: Order issued Granting Plaintiff Motion to Enforce/Expand the Preliminary Injunction, USDA blocked from cutting off SNAP funding because states refuse to turn over personal information on SNAP participants.
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
Rhode Island;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Agriculture
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue to block restrictions, issued without notice, requiring immigration status verification before public services like Head Start, Meals on Wheels, and domestic violence shelter can be provided to individuals.
Immigration;
Executive Power;
Privacy/Technology
New York;
Rhode Island;
Washington
Key Dates:
09/10/25: Preliminary Injunction Granted
12/08/25: Parties file Joint Stipulation to add HUD as a Defendant and Amend the complaint, Staying enforcement of a November 26 HUD Notice. In accordance with this decision, the appeal is dismissed in the Circuit Court and a new schedule issued in the District.
Additional States:
Arizona;
California;
Colorado;
Connecticut;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
Vermont;
Wisconsin;
District of Columbia
Government Parties:
Department of Justice;
Department of Labor;
Department of Health and Human Services;
Department of Education
AGs sue over funding freeze for programs administered by Department of Education.
Funding Freeze;
Education
California;
Colorado;
Massachusetts;
Rhode Island
Key Dates:
08/25/25: Parties file Joint Motion to Dismiss the Complaint without prejudice, all the challenged funds to be released by October 3, 2025.
09/12/25: Motion to Dismiss without Prejudice Granted
Additional States:
Arizona;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Education
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue the Department of Health and Human Services because it provided unfettered access to individual, confidential personal health data to the Department of Homeland Security for immigration enforcement purposes.
08/12/25: Preliminary Injunction granted in part, denied in part by the District Court, holding that because ICE has had a policy of not using Medicaid data for immigration enforcement purposes since 2013, the sudden policy shift is "abitrary and capricious" in violation of the Administrative Procedures Act. ICE and DHS are forbidden from using Medicaid data for immigration purposes in the Plaintiff states only, however, and the government has the opportunity to engage in formal rulemaking on this policy change.
12/09/25: Preliminary Injunction extended to January 5, 2026.
12/29/25 Judge rules that the Trump administration can share basic information of certain Medicaid patients for immigration enforcement purposes but cannot share personal health records or other sensitive information.
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin
Government Parties:
Department of Homeland Security;
Department of Health and Human Services
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue the Department of Education over its unlawful decision to discontinue grants awarded through congressionally established school mental health funding programs.
Funding Freeze;
Executive Power;
Education
Washington
Key Dates:
10/21/25: Motion to Dismiss Denied by District Court
10/27/25: Preliminary Injunction Granted by District Court
11/13/25: Government appeals Preliminary Injunction
AGs sue the Trump administration for unlawfully using an "agency priorities" clause in OMB regulations that the administration claims allows it to cut billions in congressionally appropriated federal funding to critical programs.
Funding Freeze;
Executive Power
Massachusetts;
New Jersey;
New York
Key Dates:
07/17/26: District Court grants Plaintiff Motion for Summary Judgment because, among other reasons, grants cannot be canceled based on changes in administration priorities after the grants have already been made.
Additional States:
Arizona;
California;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
Oregon;
Rhode Island;
Vermont;
Wisconsin;
District of Columbia
Government Parties:
OMB;
Department of State;
Department of Commerce;
Department of Homeland Security;
Department of Justice;
Department of Agriculture;
Department of Labor;
Department of Defense;
FEMA;
National Science Foundation
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue to block the Trump administration's decision to reverse a Biden-era ATF rule designating Forced Reset Triggers as "prohibited machine guns" under federal law.
Gun Safety
Delaware;
Maryland;
New Jersey
Key Dates:
07/07/25: California joins as Plaintiff and Amended Complaint filed.
07/11/25: Plaintiffs withdraw Motion for a Preliminary Injunction.
08/15/25: Parties file Joint Motion to Stay Proceedings until Feb. 19, 2026.
04/23/26: Case Voluntarily Dismissed and closed.
Additional States:
California;
Colorado;
Hawaii;
Illinois;
Maine;
Massachusetts;
Michigan;
Minnesota;
Nevada;
Oregon;
Rhode Island;
Vermont;
Washington;
District of Columbia
Government Parties:
Department of Justice;
ATF
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue to stop the National Science Foundation's cuts to programs and funding to organizations supporting women, minorities, the disabled, and research into programs studying misinformation and combatting environmental justice.
08/22/25: AG-Plaintiffs file Notice of Voluntary Dismissal
Additional States:
California;
Colorado;
Connecticut;
Delaware;
Illinois;
Maryland;
Massachusetts;
Nevada;
New Jersey;
New Mexico;
Oregon;
Rhode Island;
Washington;
Wisconsin
Government Parties:
National Science Foundation
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
Docket Number: 1:25-cv-04452
TRO / PI: PI Denied
Status: Challenged policy permanently allowed
California v. Department of Transportation
May 13, 2025
AGs sued the Department of Transportation for threatening to cut off billions in transportation funding to states that do not fully comply with the Trump administration's anti-immigrant directives.
Immigration;
Executive Power
California;
Illinois;
Maryland;
New Jersey;
Rhode Island
Key Dates:
06/19/25: Preliminary Injunction granted and Stay pending appeal denied.
07/17/25: Plaintiff's Motion to Modify Preliminary Injunction to include the District of Columbia and Kentucky granted.
11/04/25: Summary Judgment granted to AG-Plaintiffs
01/21/26: Appeal dismissed in the Circuit
Additional States:
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
Oregon;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
Department of Transportation
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue FEMA and Department of Homeland Security because of threat to withhold critical federal dollars from states that do not use their local law enforcement resources for federal immigration enforcement.
Immigration;
Executive Power
California;
Illinois;
New Jersey;
Rhode Island
Key Dates:
09/24/25: Motion for Summary Judgment Granted for Plaintiffs
10/14/25: District Court finds government is acting out of compliance, files Order to Enforce and release all funds within 7 days.
10/21/25: Government files Notice of Compliance
Additional States:
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
Oregon;
Vermont;
Washington;
Wisconsin
Government Parties:
Department of Homeland Security;
FEMA
AGs sue to rein in Trump's tariff actions, citing his imposing, modifying, escalating, and suspending tariffs by EO, memos, social media posts, and agency decrees.
Executive Power
Oregon
Key Dates:
05/20/25: Washington State files amicus in support of Plaintiffs
05/28/25: Summary Judgment granted to Plaintiffs
05/29/25: Federal Circuit Court grants stay of injunction pending appeal
08/29/25: Federal Circuit Court affirms lower court's decision that president lacks the tariff authority he purported to exercise
02/20/26: The Supreme Court holds that Trump's tariffs were unlawful. Case closed.
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Illinois;
Maine;
Minnesota;
Nevada;
New Mexico;
New York;
Vermont
Government Parties:
President Trump;
Department of Homeland Security;
Customs and Border Protection
Maryland v. Corporation for National and Community Service (AmeriCorps)
April 19, 2025
AGs sue to stop Trump's unilateral dismantling and dissolution of AmeriCorps.
Executive Power
California;
Colorado;
Delaware;
Maryland
Key Dates:
06/05/25: Preliminary Injunction granted for Plaintiffs
07/24/25: Amended Complaint Filed, adding the Office of Management and Budget as a defendant
08/29/25: Office of Management and Budget agrees to release over $184 million in funding that AmeriCorps plans to award to service programs across the country.
Additional States:
Arizona;
Connecticut;
Hawaii;
Illinois;
Maine;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
North Carolina;
Oregon;
Rhode Island;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
OMB;
Americorps
AG Posture: Plaintiff
Court Filings: Link to District Court Filing: District Link
AGs sue after the Department of Education unilaterally and without notice rescinded education grant funds that were intended to be available through March 2026.
Executive Power;
Education
New York
Key Dates:
05/06/25: Preliminary Injunction granted.
06/03/25: Preliminary Injunction reaffirmed and updated.
11/13/25: Joint Letter filed with Proposed Order of Final Resolution of case
Additional States:
Arizona;
California;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Minnesota;
Nevada;
New Jersey;
New Mexico;
Oregon;
District of Columbia
Government Parties:
President Trump;
OMB;
Department of Commerce;
Institute of Museum and Library Services;
Minority Business Development Agency;
Federal Mediation and Conciliation Service
Massachusetts v. Kennedy, Department of Health and Human Services
April 04, 2025
AGs sue to reinstate the National Institutes of Health grants and restore their grant application process.
Executive Power;
Healthcare
California;
Maryland;
Massachusetts;
Washington
Key Dates:
06/16/25: Ruling in favor of Plaintiffs
06/24/25: Motion for Stay Pending Appeal denied
07/02/25: Updated ruling in favor of Plaintiffs, reinstating grants as to the Plaintiff states (per CASA precedent) and Defendants file Appeal
07/18/25: Defendant Motion for a Stay Pending Appeal rejected and District Court ruling reaffirmed
08/21/25: The Supreme Court, in a 5-4 vote (Roberts joins liberals), Stayed the District Court’s decision, pending appeal in the First Circuit, to stop cuts to NIH grants allegedly related to DEI. As such, the cuts will likely proceed as originally intended.
12/29/25: HHS entered into a settlement agreement to resume the usual process for grant consideration.
Additional States:
Arizona;
Colorado;
Delaware;
Hawaii;
Minnesota;
Nevada;
New Jersey;
New Mexico;
New York;
Oregon;
Rhode Island;
Wisconsin
Government Parties:
National Institutes of Health;
Department of Health and Human Services
AGs sue to block Trump's Executive Order on elections.
Executive Power;
Democracy Protection/Voting Rights
California;
Massachusetts;
Nevada
Key Dates:
07/10/26: Joint Stipulation dismissing case is filed
06/13/25: Preliminary Injunction granted.
07/18/25: Preliminary Injunction modified because of CASA decision, limiting certain relief to the Plaintiff States only. On 07/31, Defendants file Appeal to the First Circuit.
12/09/25: The First Circuit threatens to Dismiss for Lack of Prosecution because Appellant-Trump Administration has not filed their briefs due November 24.
District Court:
09/17/25: Government's Motion to Dismiss Denied
12/11/25: Parties file Joint Stipulation Regarding Dismissal without Prejudice. If granted by the Court, the stipulation would enjoin the Trump administration from requiring states or local agencies to verify citizenship before voter registration forms are given to public benefits enrollees in any state, and the administration acknowledges that it has no authority to require state or local agencies to verify citizenship before providing voter registration forms and cannot require state or local registration agencies to assess citizenship prior to providing a registration form.
06/24/26: District Court grants the coalition’s motion for a permanent injunction and blocks key provisions of Executive Order No. 14248 from taking effect.
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Michigan;
Minnesota;
New Jersey;
New Mexico;
New York;
Rhode Island;
Vermont;
Wisconsin
Government Parties:
President Trump;
Department of Justice;
Department of Defense;
Election Assistance Commission
Colorado v. Department of Health and Human Services
April 01, 2025
AGs sue to block the Department of Health and Human Services' abrupt cancellation of $11 billion in critical public health funding.
Funding Freeze;
Executive Power;
Healthcare
California;
Colorado;
Minnesota;
Rhode Island;
Washington
Key Dates:
06/02/26: Joint Status Report filed. Parties disputing need for additional discovery. Court response pending.
Additional States:
Arizona;
Connecticut;
Delaware;
Hawaii;
Illinois;
Maine;
Maryland;
Massachusetts;
Michigan;
Nevada;
New Jersey;
New York;
North Carolina;
Oregon;
Wisconsin;
District of Columbia
Government Parties:
Department of Health and Human Services
AGs sue to stop Trump administration's mass firing of probationary workers and Reduction in Force orders.
Executive Power;
Labor Rights
Maryland;
Minnesota;
District of Columbia
Key Dates:
03/13/25: Temporary Restraining Order granted
04/01/25: Preliminary Injunction granted
09/08/25: Fourth Circuit holds that AG Plaintiffs did not have standing to sue, returns case to district with order to dismiss.
Additional States:
Arizona;
California;
Colorado;
Connecticut;
Delaware;
Hawaii;
Illinois;
Massachusetts;
Michigan;
Nevada;
New Jersey;
New Mexico;
New York;
Oregon;
Rhode Island;
Vermont;
Wisconsin
Government Parties:
President Trump;
Department of the Treasury;
Department of State;
Department of Commerce;
Department of Homeland Security;
Department of Justice;
Department of the Interior;
Department of Agriculture;
Department of Labor;
Department of Health and Human Services;
Department of Housing and Urban Development;
Department of Transportation;
Department of Energy;
Department of Education;
Department of Veteran Affairs;
Social Security Administration;
Consumer Financial Protection Bureau;
Department of Defense
AGs sue to challenge the constitutionality of DOGE under the Appointments Clause and Temporary Organization Statute, invoking Major Questions Doctrine.
DOGE
Arizona;
Michigan;
New Mexico
Key Dates:
02/18/25: Temporary Restraining Order denied
03/12/25: Plaintiff's Motion for Expedited Discovery granted
03/26/25: D.C. Circuit Court issues order granting stay of motion for expedited discovery, saying district court should have ruled on defendant's motion to dismiss before ruling on motion for discovery.
04/09/25: District court grants motion to vacate current deadlines, reset preliminary injunction briefing schedule
06/10/25: District court defers ruling on motion to vacate until circuit court pleadings are resolved
12/15/25: AGs file Notice of Voluntary Dismissal without Prejudice
AGs sue to block DOGE access to the Treasury's Bureau of Fiscal Services, alleging violation of the Administrative Procecure Act and the Privacy Act of 1974.
DOGE
New York
Key Dates:
02/08/25: Emergency Temporary Restraining Order granted
02/21/25: Preliminary Injunction granted
04/11/25: Defendants' Motion to Partially Dissolve Preliminary Injunction granted
05/27/25: District Court modifies preliminary injunction and rejects Motion to Dissolve
07/28/25: Defendants file Notice of Appeal to the Second Circuit on the Preliminary Injunction
AGs sue to halt "Funding Freeze" in Office of Management and Budget Memo issued by Trump administration on January 27, 2025.
Funding Freeze;
Executive Power
California;
Illinois;
Massachusetts;
New Jersey;
New York;
Rhode Island
Key Dates:
01/31/25: Emergency Temporary Restraining Order granted
03/06/25: Preliminary Injunction granted
04/07/25: Motion for Enforcement of Preliminary Injunction is Stayed in light of Supreme Court decision in California v. Department of Education, the "SEED grants" case
Additional States:
Arizona;
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Mexico;
North Carolina;
Oregon;
Vermont;
Washington;
Wisconsin;
District of Columbia
Government Parties:
President Trump;
OMB;
EPA;
Department of the Treasury;
Department of State;
Department of Commerce;
Department of Homeland Security;
Department of Justice;
Department of the Interior;
Department of Labor;
Department of Health and Human Services;
Department of Housing and Urban Development;
Department of Transportation;
Department of Energy;
Department of Education
AGs sue to challenge constitutionality of the Birthright Citizenship Executive Order.
Immigration
Massachusetts;
New Jersey
Key Dates:
02/13/25: Preliminary Injunction granted.
02/26/25: Defendants' Motion to Stay Preliminary Injunction Pending Appeal denied by District Court
03/11/25: Defendants' Motion to Stay Preliminary Injunction Pending Appeal denied by Circuit Court
06/27/25: The Supreme Court finds that nationwide injunctions are not permitted as a blanket practice because they have no historical analog. However the Court declines to rule on whether the particular concerns the states raised require a tailored remedy that extends beyond the plaintiff states. And thus, the Court leaves the door open to the possibility that this particular situation of the harms that befall a state and its residents when citizenship is a patchwork system may require more sweeping relief (up to and including an injunction that applies in all states).
07/25/25: The District Court once again blocks the Birthright Citizenship EO in Ruling on Scope of the Preliminary Injunction, clarifies and reiterates that his relief is universal despite CASA decision. On 09/23/25, the government filed an Appeal in the First Circuit of this decision.
10/03/25: First Circuit rules for AGs, refuses to reverse Preliminary Injunction and affirms Birthright Citizenship
10/22/25: The Trump administration moves to Stay proceedings until SCOTUS rules on writ in the "Washington" Birthright case. Stay Granted, Case Paused.
06/30/26: SCOTUS holds the children of undocumented citizens born in the US are indeed citizens by birthright.
Additional States:
California;
Colorado;
Connecticut;
Delaware;
Hawaii;
Maine;
Maryland;
Michigan;
Minnesota;
Nevada;
New Mexico;
New York;
North Carolina;
Rhode Island;
Vermont;
Wisconsin;
District of Columbia
Government Parties:
President Trump;
Department of State;
Department of Homeland Security;
Department of Justice;
Department of Health and Human Services;
Social Security Administration
