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Major Questions Doctrine

Tariffs | NA

Tariffs

Supreme Court Will Hear Our Case Challenging Trump's Tariffs - and Two Other Related Cases

The cases will be considered on an accelerated schedule.

Ilya Somin |The Volokh Conspiracy | 9.9.2025 5:52 PM

The front of the U.S. Supreme Court | Photo by Fine Photographics on Unsplash

Free Trade

Trump's Tariffs Face a Major 'Major Questions' Problem at the Supreme Court

The same legal theory that tripped up Joe Biden's student loan scheme could also sink Donald Trump's tariffs.

Eric Boehm | 9.8.2025 1:20 PM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

Tariffs

The Rationale for the Federal Circuit's 'Radical Left' Tariff Decision Is Fundamentally Conservative

Donald Trump's claim that the appeals court ruled against him for partisan or ideological reasons is hard to take seriously.

Jacob Sullum | 9.2.2025 1:55 PM

Tariffs

Why the Supreme Court Might Uphold Trump's Tariffs

The Administration's arguments have more doctrinal support than some might think

Jonathan H. Adler |The Volokh Conspiracy | 9.2.2025 11:57 AM

A Labor Day banner featuring President Donald Trump's face | Bonnie Cash/UPI/Newscom

Tariffs

The Federal Circuit's Tariff Ruling Highlights the Audacity of Trump's Power Grab

Seven judges agreed that the president's assertion of unlimited authority to tax imports is illegal and unconstitutional.

Jacob Sullum | 9.1.2025 4:45 PM

Tariffs | NA

Tariffs

Federal Circuit Rules Against Trump's Massive IEEPA Tariffs in Our Case Challenging Them

In a 7-4 ruling, the en banc court upheld trial court ruling against all the challenged tariffs. The scope of the injunction against them remains to be determined.

Ilya Somin |The Volokh Conspiracy | 8.29.2025 8:42 PM

President Donald Trump waves toward reporters at the White House | Sipa USA/Newscom

Tariffs

Federal Circuit Judges Question Trump's Discovery of Vast Tariff Powers

The president is claiming "unbounded authority" to impose import taxes based on a law that does not mention them.

Jacob Sullum | 8.6.2025 12:01 AM

President Donald Trump signs two executive orders on April 2 instituting tariffs |  Andrew Leyden/ZUMAPRESS/Newscom

IEEPA

Society for the Rule of Law Webinar on "Tariffs and the Rule of Law"

I participated along with Andrew Morris of the New Civil Liberties Alliance.

Ilya Somin |The Volokh Conspiracy | 7.23.2025 3:48 PM

Brazil Flag | NA

IEEPA

Major Orange Juice Importer Files Lawsuit Challenging Trump's Planned Brazil Tariffs

The case raises many of the same issues as our case against Trump's "Liberation Day" tariffs.

Ilya Somin |The Volokh Conspiracy | 7.22.2025 5:36 PM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

IEEPA

Defending the Court of International Trade Ruling Against Trump's Tariffs—A Reply to Estreicher and Babbitt [Updated]

Estreicher and Babbitt are right to conclude that Trump's tariffs violate the nondelegation doctrine, but wrong to reject other arguments against them.

Ilya Somin |The Volokh Conspiracy | 7.15.2025 6:31 PM

Tariffs | NA

Tariffs

Overview of the Amicus Briefs Filed in Our Tariff Case

The diversity and quality of the briefs opposing Trump's "Liberation Day" tariffs speaks for itself.

Ilya Somin |The Volokh Conspiracy | 7.9.2025 8:22 PM

President Donald Trump holds up an executive order imposing his "Liberation Day" tariffs | CNP/AdMedia/Sipa/Newscom

Tariffs

Appeals Court Briefs Say Trump's Tariffs Are Based on a Statute That Does Not Authorize Tariffs at All

The Cato Institute and the New Civil Liberties Alliance urge the Federal Circuit to extend the logic of a decision against the president's far-reaching import taxes.

Jacob Sullum | 7.9.2025 4:10 PM

Tariffs | NA

IEEPA

Federal Circuit Appellate Brief Filed in Our Tariff Case

Our brief explains why the Federal Circuit should uphold the Court of International Trade decision striking down Trump's "Liberation Day" tariffs.

Ilya Somin |The Volokh Conspiracy | 7.8.2025 3:04 PM

Nondelegation | AI

Nondelegation

My New Just Security Article on the Nondelegation and Major Questions Doctrines

It explains how these much-maligned doctrines can be valuable tools for constraining power grabs by presidents of both parties.

Ilya Somin |The Volokh Conspiracy | 6.26.2025 11:03 AM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

Donald Trump

Defending the Court of International Trade Ruling Against Trump's Tariffs - A Reply to John Yoo

Yoo's criticisms are off the mark, for a variety of reasons. But, tellingly, he actually agrees Trump's IEEPA tariffs are illegal, merely disagreeing with the court's reasons for reaching that conclusion.

Ilya Somin |The Volokh Conspiracy | 6.9.2025 9:30 AM

President Donald Trump signs two executive orders on April 2 instituting tariffs |  Andrew Leyden/ZUMAPRESS/Newscom

Donald Trump

Defending the Court of International Trade Ruling Against Trump's Tariffs - A Reply to Jack Goldsmith

The CIT ruling is much stronger than Prof. Goldsmith contends. The same is true of a related ruling by federal District Court Judge Rudolph Contreras.

Ilya Somin |The Volokh Conspiracy | 6.8.2025 6:54 PM

President Donald Trump signs two executive orders on April 2 instituting tariffs |  Andrew Leyden/ZUMAPRESS/Newscom

Donald Trump

Compendium of Writings About the Trump Tariff Case [Updated]

Links to my writings about our case against Trump's "Liberation Day" Tariffs and related issues.

Ilya Somin |The Volokh Conspiracy | 6.3.2025 10:05 AM

Donald Trump

Hub and UnPopulist Podcasts About the Tariff Case

The podcasts cover the case and its relationship to the more general problem of abuse of emergency powers.

Ilya Somin |The Volokh Conspiracy | 6.1.2025 1:22 AM

Executive Power

My New Atlantic Article on the Tariff Case and its Significance

It explains how the ruling is a win for separation of powers and the rule of law.

Ilya Somin |The Volokh Conspiracy | 5.30.2025 11:05 AM

Oregon Flag | NA

Donald Trump

Thoughts on the Oral Argument in the Oregon Case Against Trump's IEEPA Tariffs

Like that in the similar case filed by Liberty Justice Center and myself, this one indicated judicial skepticism of Trump's claims to virtually unlimited power to impose tariffs.

Ilya Somin |The Volokh Conspiracy | 5.24.2025 6:12 PM

Tariffs

Forbes Interview on Developments in Our Case and Other Litigation Against Trump's "Liberation Day" Tariffs

I was interviewed by Brittany Lewis of Forbes.

Ilya Somin |The Volokh Conspiracy | 5.21.2025 9:46 PM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

Tariffs

New Republic Podcast Interview on Our Case Against Trump's "Liberation Day" Tariffs [Updated With Embedded Audio]

Greg Sargent of the New Republic interviewed me.

Ilya Somin |The Volokh Conspiracy | 5.14.2025 1:10 PM

Tariffs | NA

Tariffs

Thoughts on Today's Oral Argument in Our Case Against Trump's IEEPA Tariffs

Outcomes are hard to predict. But the judges seemed skeptical of the government's claim that Trump has virtually unlimited authority to impose tariffs.

Ilya Somin |The Volokh Conspiracy | 5.13.2025 6:36 PM

Donald Trump

NPR Interview on Legal Challenges to Trump's IEEPA Tariffs

Steve Inskeep of NPR interviewed me about the case against Trump's "Liberation Day" tariffs.

Ilya Somin |The Volokh Conspiracy | 5.7.2025 12:15 AM

Questions | NA

Executive Power

Why the Major Questions Doctrine Applies to the President, Not Just Executive Agencies

This is a key issue in cases seeking to limit executive branch power grabs, including Trump's tariffs. Judge Ryan Nelson (a conservative Trump appointee) explains why the president is not exempt from the doctrine.

Ilya Somin |The Volokh Conspiracy | 5.2.2025 10:10 PM

President Donald Trump signs two executive orders on April 2 instituting tariffs |  Andrew Leyden/ZUMAPRESS/Newscom

Donald Trump

KQED Interview on Legal Challenges to Trump's Immigration and Tariff Policies

We also covered the issue of the administration's failure to properly obey court orders and the looming threat of a "constitutional crisis."

Ilya Somin |The Volokh Conspiracy | 4.25.2025 1:45 PM

PLF | PLF

Donald Trump

Pacific Legal Foundation Files Case Challenging Trump's IEEPA Tariffs

PLF is a leading libertarian-leaning public interest organization. Their case is similar to that filed by Liberty Justice Center and myself.

Ilya Somin |The Volokh Conspiracy | 4.25.2025 1:27 PM

Oregon Flag | NA

Donald Trump

Twelve States File Lawsuit Challenging Trump's IEEPA Tariffs

The suit resembles previous ones on the same subject filed by the state of California, and by the Liberty Justice Center and myself.

Ilya Somin |The Volokh Conspiracy | 4.23.2025 8:15 PM

Tariffs | NA

Tariffs

Bipartisan Group of Prominent Legal Scholars and Former Government Officials Files Amicus Brief Supporting Our Case Challenging Trump's "Liberation Day" Tariffs

Signers include Steve Calabresi, Harold Koh, Richard Epstein, Michael McConnell, Alan Sykes, former Attorney General Michael Mukasey, and others.

Ilya Somin |The Volokh Conspiracy | 4.23.2025 4:37 PM

Tariffs | NA

Tariffs

Motion for Preliminary Injunction, Temporary Restraining Order, and Summary Judgement in Our Case Against Trump's "Liberation Day" Tariffs

The motion was filed today, and sets out our case in detail.

Ilya Somin |The Volokh Conspiracy | 4.18.2025 4:45 PM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

Tariffs

My New Lawfare Article on "The Constitutional Case Against Trump's Trade War"

It explains why the IEEPA "Liberation Day" tariffs are illegal and how our case against them relates to the other three cases challenging Trup's tariffs.

Ilya Somin |The Volokh Conspiracy | 4.18.2025 12:37 PM

President Donald Trump holding a chart of "Reciprocal Tariffs" imposed on numerous countries, superimposed next to a picture of the U.S. Capitol Building. | Illustration: Eddie Marshall | Tupungato | Dreamstime.com | Chris Kleponis |  CNP | picture alliance | Consolidated News Photos | Newscom

Tariffs

Bloomberg and Forbes Podcast Interviews About our Lawsuit Challenging Trump's "Liberation Day" Tariffs

The Liberty Justice Center and I filed the case on Monday.

Ilya Somin |The Volokh Conspiracy | 4.17.2025 11:44 AM

Tariffs | NA

Tariffs

Liberty Justice Center and I File Lawsuit Challenging Trump's "Liberation Day" Tariffs

It was filed today in the US Court of International Trade.

Ilya Somin |The Volokh Conspiracy | 4.14.2025 2:18 PM

President Donald Trump signs two executive orders on April 2 instituting tariffs |  Andrew Leyden/ZUMAPRESS/Newscom

Free Trade

Why Trump's "Liberation Day" Tariffs are Illegal

They weren't authorized by Congress and go against the major questions and nondelegation doctrines.

Ilya Somin |The Volokh Conspiracy | 4.3.2025 5:51 PM

Tariffs | NA

Tariffs

Challenging Trump's Tariffs Under the Major Question Doctrine

Georgetown law Prof. Jennifer Hillman explains why Trump's tariffs are vulnerable to challenge on this basis.

Ilya Somin |The Volokh Conspiracy | 3.29.2025 6:53 PM

Tariffs | NA

Donald Trump

Challenge Trump's Tariffs Under the Nondelegation and Major Questions Doctrines

Recent Supreme Court precedent suggests such challenges might prevail, though success is not guaranteed.

Ilya Somin |The Volokh Conspiracy | 2.2.2025 4:16 PM

babysitter | placeholder

Executive Power

Of Babysitters and Major Questions

Survey data casts doubt on the textualist rationale for the major questions doctrine that I and others have advanced. But perhaps not as much doubt as it might seem.

Ilya Somin |The Volokh Conspiracy | 8.8.2023 12:56 AM

Justice Amy Coney Barrett | Eric Lee/Pool via CNP/Polaris/Newscom

Student Loans

Justice Barrett's Textualist Defense of the Major Questions Doctrine

In today's student loan decision, Justice Barrett offers a textualist rationale for this controversial rule. I have made similar arguments myself.

Ilya Somin |The Volokh Conspiracy | 6.30.2023 3:37 PM

Questions | NA

Executive Power

A Major New Defense of the Major Questions Doctrine

Legal scholar Ilan Wurman argues the controversial doctrine is justifiable on textualist and linguistic grounds.

Ilya Somin |The Volokh Conspiracy | 3.17.2023 12:52 PM

Questions | NA

Executive Power

A Textualist Defense of the Major Questions Doctrine

Critics claim the doctrine is obviously at odds with textualism. But that isn't the case.

Ilya Somin |The Volokh Conspiracy | 3.1.2023 4:27 PM

Questions | NA

Originalism

Originalism and the "Major Questions" Doctrine

Originalist legal scholars Mike Ramsey and Mike Rappaport debate whether the major questions doctrine - an important theory underlying several recent Supreme Court decisions - can be squared with originalism or not.

Ilya Somin |The Volokh Conspiracy | 8.21.2022 12:10 PM

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