Courts & Litigation

Just Security’s expert authors offer analysis and informational resources on key litigation impacting national security, rights, democracy, and the rule of law. Our content spans domestic and international litigation, from cases at the International Court of Justice, the International Criminal Court, and other international and regional tribunals, to those in U.S. courts involving executive branch actions, transnational litigation, and more.

Highlights:

The U.S. Supreme Court is shown at dusk on June 28, 2023 in Washington, DC. (Photo by Drew Angerer/Getty Images)

After CASA: The Administrative Procedure Act Option for Challenging the Birthright Citizenship and Other Illegal Executive Actions

After Trump v. CASA, the APA offers a path to nationwide relief against unconstitutional executive actions—without relying on universal injunctions.
Scales of justice and judge's gavel on wooden table against American flag

Nondelegation and Major Questions Doctrines Can Constrain Power Grabs by Presidents of Both Parties

Enforcing the nondelegation and major questions doctrines can help curb the danger posed by sweeping authority concentrated in a president of either party.
A member of the Iraqi forces walks past a mural bearing the logo of the Islamic State (IS) group in a tunnel that was reportedly used as a training centre by the jihadists, on March 1, 2017, in the village of Albu Sayf, on the southern outskirts of Mosul. (Photo by AHMAD AL-RUBAYE/AFP via Getty Images)

Ideology Matters: An Analysis of Sentencing in Terrorism and Extremism Cases

Ideology affects U.S. terrorism prosecutions: ISIS-linked defendants tend to get longer sentences than those tied to other extremist groups or ideologies.
Gavel and scales with a US flag in the background as symbols of a jurisdiction.

Litigation Tracker: Legal Challenges to Trump Administration Actions

A public resource tracking all the legal challenges to the Trump administration's executive orders and actions.
Binders of executive orders stacked on a desk.

Collection: Just Security’s Coverage of Trump Administration Executive Actions

Coverage of key developments, including in concise “What Just Happened” expert explainers, legal and policy analysis, and more. Check back frequently for updates.
Soldiers from the 143rd Military Police Company, 49th Military Police Brigade, California National Guard, serving under Title 10 status, establish a security perimeter in Mecca, Calif., June 18, 2025. U.S. Northern Command is supporting federal agencies by providing military forces to protect federal functions, personnel, and property in the greater Los Angeles area. On June 7, the Secretary of Defense directed USNORTHCOM to establish Task Force 51 to oversee Title 10 forces supporting this mission. (U.S. Army photo by Sgt. Chase Murray)

Trump’s Use of Federal Troops in Drug Raid Outside of Los Angeles: An Alarming Escalation

"An alarming escalation of the president's efforts to use the military as a domestic police force. Based on currently available information, it appears to be illegal, as well"
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A sign indicates Texas Gun, one of the 6,700 gun dealers located near the 2,000 miles long U.S.-Mexico border. (Photo by Gilles Mingasson/Getty Images)

La Suprema Corte estadounidense falla a favor de armerías ante la demanda de México, pero les niega inmunidad total

Mexico's claims were denied on jurisdiction, but the Supreme Court provided a roadmap to other scenarios in which such claims might advance.
A sign indicates Texas Gun, one of the 6,700 gun dealers located near the 2,000 miles long U.S.-Mexico border. (Photo by Gilles Mingasson/Getty Images)

SCOTUS Rules for Gun Manufacturers in Mexico Suit But Denies Blanket Immunity

While Mexico’s claims were set aside, the Court laid out new pathways to accountability, providing a clearer roadmap of which legal strategies are likelier to succeed.
Screenshot from Newsom v. Trump hearing in 9th District Court of Appeals (via YouTube)

Posse Comitatus Act Meets the President’s “Protective Powers”: What’s Next in Newsom v. Trump

"Congress has been far more clear than is widely believed about what its view is..."
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.
U.S. President Donald Trump signs an Executive Orde

The Legal Defects in the Trump Administration’s Attempts to Deregulate Without Notice and Comment

The Trump administration's efforts to circumvent the APA's notice-and-comment requirements risk setting a damaging precedent.
Former French president Nicolas Sarkozy leaves after a hearing in his trial on charges of illegal campaign financing from Libya for his successful 2007 presidential bid, at the Tribunal de Paris courthouse in Paris, on March 27, 2025. French prosecutors requested on March 27, 2025, a seven-year prison sentence for former president Nicolas Sarkozy in his trial on charges of accepting illegal campaign financing in an alleged pact with the late Libyan dictator. (Photo by ALAIN JOCARD/AFP via Getty Images)

The Sarkozy-Gaddafi Trial Exposes Corruption’s Devastating Effect on Libyans

Alongside its democratic commitments, France should also reckon with the human rights consequences of its Libya foreign policy and interference in the post-Sarkozy era.
Collage of images pertaining to artificial intelligence

Just Security’s Artificial Intelligence Archive

Just Security's collection of articles analyzing the implications of AI for society, democracy, human rights, and warfare.
IMAGES (left to right): Natural disaster and its consequences (via Getty Images); In this picture taken on September 28, 2022, an internally displaced flood-affected family sits outside their tent at a makeshift tent camp in Jamshoro district of Sindh province (Photo by Rizwan Tabassum/AFP via Getty Images; Trees smolder and burn during the Dixie fire near Greenville, California on August 3, 2021. – Numerous fires are raging through the state’s northern forests, as climate change makes wildfire season longer, hotter and more devastating. (Photo by JOSH EDELSON/AFP via Getty Images)

Just Security’s Climate Archive

A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.
The Supreme Court building is shown with a blue sky behind it.

Relocating Nationwide Injunctions

Consolidating cases allows a clear, expedited path to Supreme Court review, helping quickly address matters involving executive orders.
A person walks past the The United States Court of International Trade

What Just Happened: The Tariff Litigation Advances

A recent U.S. Court of International Trade ruling may distract more than it changes the course of U.S. President Trump's trade policy.
People listen to Everett Kelley, President of the American Federation of Government Employees (AFGE) Union, during a "Save the Civil Service" rally

Too Big to Be Lawful: A Federal Court Halts Mass Layoffs Across the Civil Service

A recent court decision has made clear that reorganizing the federal government can't proceed through backdoor executive planning.
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The Just Security Podcast: Dismissal of Voting Rights Lawsuits

Chiraag Bains, in conversation with Dani Schulkin, discusses the impact on voting rights enforcement and the crucial role now played by voters & advocacy groups.
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