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Attorney General Rob Bonta speaking at Crissy Field in San Francisco on 11/7/24 (Photo: oag.ca.gov)

Federal Court Filings by California Attorney General Against the Federal Government

Lawsuits, amicus briefs, and motions filed in the federal courts

By Chris Micheli, April 10, 2025 1:13 pm

12 lawsuits filed as of 4/7/25

15 amicus briefs filed as of 4/7/25

1 motion to intervene filed as of 4/7/25

California’s Attorney General has been active in litigation against the federal government since President Donald Trump took office. The following chart sets forth the lawsuits, amicus briefs, and motions filed in the federal courts by AG Rob Bonta. From time-to-time, this chart will be updated to reflect developments and additional federal court filings.

Date Filed Lawsuit Topic Status
Lawsuit Filed (1)

1/21/25

Attorney General Bonta Sues Trump Administration Over Unconstitutional Birthright Citizenship Order Attorney General Bonta, Coalition of Attorneys General Secure Preliminary Injunction in Birthright Citizenship Case
Amicus Brief Filed (1)

1/24/25 

Attorney General Bonta Leads Multistate Coalition to Defend NHTSA’s Fuel-Economy Standards for Passenger Vehicles and Trucks Pending
Lawsuit Filed (2)

1/28/25

Attorney General Bonta Files Lawsuit, Seeks Immediate Court Order to Block Sweeping OMB Directive Freezing up to $3 Trillion in Vital Federal Funding Attorney General Bonta Secures Preliminary Injunction Against Trump Administration Blocking Harmful Federal Funding Freeze
Lawsuit Filed (3)

2/7/25

Attorney General Bonta Sues Trump Administration Over DOGE’s Unlawful Access to Americans’ Personal Information Attorney General Bonta Secures Order Blocking DOGE from Accessing Americans’ Private Data /

Attorney General Bonta Secures Preliminary Injunction Blocking DOGE’s Access to Private Data

Amicus Brief Filed (2)

2/9/25

Attorney General Bonta Stands with Federal Workers in Federal Buyout Challenge Pending
Lawsuit Filed (4)

2/10/25

Attorney General Bonta Sues Trump Administration over Unlawful NIH Funding Cuts for Universities and Research Institutions Attorney General Bonta Secures Court Order Blocking Trump Administration from Implementing Unlawful NIH Funding Cuts
Lawsuit Filed (5)

2/13/25

Attorney General Bonta Sues Trump Administration, Challenging Elon Musk’s Unconstitutional Exercise of Power Pending
Amicus Brief Filed (3)

2/14/25

Attorney General Bonta Files Amicus Brief in Support of Challenge to Trump’s Executive Order Banning Transgender Servicemembers Pending
Amicus Brief Filed (4)

2/18/25

Attorney General Bonta Files Amicus Brief in Support of Challenge to Refugee Ban and Refugee Funding Suspension Pending
Amicus Brief Filed (5)

2/19/25

amicus brief in Mayor and City Council of Baltimore v. Consumer Financial Protection Bureau, a lawsuit challenging the Trump Administration’s efforts to dismantle the Consumer Financial Protection Bureau (CFPB) Attorney General Bonta Celebrates Early Win Halting the Destruction of the CFPB
Amicus Brief Filed (6)

2/21/25

filing an amicus brief in the U.S. District Court for the District of Maryland supporting the motion for a preliminary injunction sought by Parents, Families and Friends of Lesbians and Gays (PFLAG), GLMA Pending
Lawsuit Filed (6)

2/28/25 

Attorney General Bonta Files Second Motion to Enforce Against Trump Administration Amid Ongoing Disruptions to Certain FEMA Funding Attorney General Bonta Secures Court Order Against Trump Administration over Continued Disruptions to FEMA Funding 
Amicus Brief Filed (7)

3/5/25

Attorney General Bonta Joins Coalition Defending the Integrity of the National Labor Relations Board Pending
Lawsuit Filed (7)

3/6/25

Attorney General Bonta Files Lawsuit Challenging Termination of K-12 Teacher Preparation Pipeline Grants Attorney General Bonta Secures Early Court Decision Stopping Trump Administration’s Unlawful Termination of K-12 Teacher Preparation Pipeline Grants
Amicus Brief Filed (8)

3/7/25

filing an amicus brief in National TPS Alliance v. Noem in support of a challenge to the early termination of the Temporary Protected Status (TPS) designation for Venezuela. Court Blocks Trump Administration’s Unlawful Attempt to Terminate TPS Designation for Venezuela
Amicus Briefs Filed (9)

2/28/25

3/12/25

Attorney General Bonta Files Amicus Brief in Support of Lawsuit Challenging Unlawful Removal of Gwynne Wilcox from the National Labor Relations Board /

Filed an amicus brief in continued opposition to President Donald Trump’s unlawful attempt to remove Gwynne Wilcox, a Member of the NLRB

Court Finds That Trump’s Termination of NLRB Member Gwynne Wilcox Was Unlawful and Void
Amicus Brief Filed (10)

3/12/25

Attorney General Bonta Urges U.S. Supreme Court to Affirm Decision Dismissing Challenge to Clean Air Act Waiver Pending
Amicus Brief Filed (11)

3/12/25

filed an amicus brief with the U.S. Supreme Court in support of Medicaid recipients’ individual right to receive care from the qualified providers of their choice Pending
Lawsuit Filed (8)

3/6/25

Attorney General Bonta Continues His Support for Federal Workers: Trump Administration’s Termination of Probationary Employees is Simply Unlawful Attorney General Bonta Secures Court Order Blocking Trump Administration from Terminating Federal Probationary Employees / 

Issuance of a preliminary injunction blocking the Trump Administration from conducting unlawful mass terminations of federal probationary employees who live or work in California.

Amicus Brief Filed (12)

3/12/25

filed an amicus brief in support of law firm Perkins Coie’s lawsuit seeking to block the Trump Administration from retaliating against the firm and its attorneys for no reason other than that it has dared to challenge the Administration in court Court Ruling Blocking Trump Administration from Retaliating Against Attorneys Protects Free Speech and the Rule of Law
Lawsuit Filed (9)

3/13/25

Attorney General Bonta Files Lawsuit Challenging Unlawful Mass Firings at the U.S. Department of Education Pending
Amicus Brief Filed (13)

3/17/25

Attorney General Bonta Defends Rule to Stop the Flood of Robocalls Pending
Amicus Brief Filed (14)

3/24/25

Attorney General Bonta Stands Up for U.S. Army Veterans Denied Education Benefits Under the G.I. Bill Pending
Motion to Intervene Filed (1)

3/27/25

Attorney General Bonta Joins Multistate Coalition to Defend EPA’s Chemical Accident Safety Rule Pending
Lawsuit Filed (10)

4/1/25

Attorney General Bonta Files Lawsuit Against Trump Administration Over Unlawful Termination of $11 Billion in Critical Public Health Funding U.S. District Court for the District of Rhode Island’s decision granting a temporary restraining order that immediately restores $11 billion in critical public health funding to state and local public health agencies across the country, including $972 million to California.
Lawsuit Filed (11)

4/3/25

Attorney General Bonta Co-Leads Multistate Lawsuit Against Trump Administration Over Unlawful Executive Order Seeking to Impose Sweeping Voting Restrictions Pending
Lawsuit Filed (12)

4/4/25

Attorney General Bonta Files Lawsuit Challenging Trump Administration’s Attempt to Dismantle Several Federal Agencies, Protecting California’s Libraries and Museums Pending
Amicus Brief Filed (15)

4/7/25

Attorney General Bonta to U.S. Supreme Court: Taxpayer Funded Charter Schools Must Abide by Constitution, Remain Secular Pending

 

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2 thoughts on “Federal Court Filings by California Attorney General Against the Federal Government

  1. Lawfare General is a more apt term than Attorney General for this grifting sleazeball and his unhinged wife….

  2. Bonta is going to eat through that 40 million quickly – CA has no budget to waste but they continue to spend spend spend

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