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Home Posts Separation of Powers

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Posts that have been tagged as “Separation of Powers”

National Treasury Employees Union v. Vought — Amicus Brief

ddavies January 16, 2026 Constitutional Law, U. S. Court of Appeals, District of Columbia Circuit

Link to brief

Amicus - USCASeparation of Powers

Law Matters — Episode 36

ddavies January 15, 2026 Appearances

Attorneys Alicia Kutzer and Bill Olson discuss our amicus brief filed at the U.S. Court of Appeals for the 5th Circuit in W.M.M. v. Trump.  Our brief supports the President’s authority under the Alien Enemies Act (AEA) of 1798 to detain and deport members of the brutal Venezuelan Tren de Aragua gang.

Link to podcast

ImmigrationPodcastSeparation of PowersVideos

W.M.M v. Trump — Amicus Brief

ddavies December 15, 2025 Constitutional Law, U. S. Court of Appeals, Fifth Circuit

Link to brief

Amicus - USCAImmigrationSeparation of Powers

Law Matters — Episode 30

ddavies October 23, 2025 Appearances, Constitutional Law

Attorneys Alicia Kutzer and Bill Olson discuss our two U.S. Supreme Court Amicus briefs, on application for stay and on the merits, in Trump v. Slaughter.  Read More

Appointment and RemovalPodcastSeparation of PowersVideos

Trump v. Slaughter — Amicus Brief

ddavies October 17, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Link to previous amicus brief on Application for Stay

Amicus - SCOTUS (Merits) President as a DefendantSeparation of Powers

California v. Trump — Amicus Brief

ddavies October 14, 2025 Election Law, U. S. Court of Appeals, First Circuit

Link to brief

Amicus - USCAElection IntegrityElections ClauseExecutive OrdersSeparation of Powers

Talbott v. United States of America — Amicus Brief

ddavies September 30, 2025 Constitutional Law, U. S. Court of Appeals, District of Columbia Circuit

Link to brief

Amicus - USCAExecutive OrdersLGBTQ AgendaMilitary LawSeparation of PowersTrans

Learning Resources v. Trump; Trump v. V.O.S. — Amicus Brief

ddavies September 23, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Merits)Executive OrdersInternational TradeNondelegation DoctrineSeparation of Powers

Trump v. Slaughter — Amicus Brief

ddavies September 15, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

For a discussion of this case, see Law Matters Episode 30

Amicus - SCOTUS (Other) Appointment and RemovalPresident as a DefendantSeparation of Powers

Law Matters — Episode 27

ddavies September 11, 2025 Appearances, Constitutional Law

Attorneys Alicia Kutzer and Bill Olson discuss our Amicus brief at the U.S. Supreme Court in RICELS v. Noem on the Constitution’s Separation of Powers doctrine and the scope of a President’s executive power to design and implement national immigration policies.

Link to podcast

Executive OrdersImmigrationPodcastSeparation of PowersVideos

Refugee & Immigrant Center for Education & Legal Services v. Noem — Amicus Brief

ddavies August 29, 2025 Constitutional Law, U. S. Court of Appeals, District of Columbia Circuit

Link to brief

For a discussion of this case, see Law Matters Episode 27.

Amicus - USCAExecutive OrdersImmigrationSeparation of Powers

Noem v. Al Otro Lado — Amicus Brief

ddavies July 31, 2025 Constitutional Law, Executive Orders, Statutory Construction, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Petition)Executive OrdersImmigrationSeparation of Powers

United States v. Russell — Amicus Brief

ddavies July 21, 2025 Constitutional Law, U. S. District Court, District of Maryland

Link to brief

Amicus - USDCImmigrationSeparation of Powers

Steve Gruber Show Interview

ddavies July 18, 2025 Appearances, Constitutional Law

Bill Olson interview discussing our 8-0 winning record on amicus briefs filed with the Supreme Court on Trump Administration Motions for Stay.

Link to interview

PodcastSeparation of PowersVideos

Law Matters — Episode 26

ddavies July 10, 2025 Appearances, Constitutional Law

Attorneys Alicia Kutzer and Bill Olson discuss our U.S. Supreme Court amicus brief in McMahon v. State of New York, where we supported the Trump Administration’s application to stay a district court injunction of the Administration’s efforts to downsize the U.S. Department of Education.

Link to podcast

Executive OrdersPodcastSeparation of PowersVideos

Refugee and Immigrant Center for Education and Legal Services v. Noem — Amicus Brief

ddavies July 9, 2025 Constitutional Law, U. S. Court of Appeals, District of Columbia Circuit

Link to brief

Amicus - USCAExecutive OrdersImmigrationSeparation of Powers

McMahon v. State of New York — Amicus Brief

ddavies June 16, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

For a discussion of this case, see Law Matters Episode 26

Amicus – SCOTUS (Other)Executive OrdersSeparation of Powers

Trump v. American Federation of Government Employees, AFL-CIO

ddavies June 9, 2025 Constitutional Law, Executive Orders, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Other)Executive OrdersSeparation of Powers

U.S. Department of Homeland Security v. D.V.D. — Amicus Brief

ddavies June 5, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Other)Executive OrdersImmigrationSeparation of Powers

Noem v. Doe — Amicus Brief

ddavies May 15, 2025 Constitutional Law, U. S. Supreme Court

Noem v. Doe Amicus Brief

For a discussion of this case, see Law Matters Episode 25.

Amicus – SCOTUS (Other)Executive OrdersImmigrationSeparation of Powers

Noem v. National TPS Alliance — Amicus Brief

ddavies May 8, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Previous brief in this case (9th Circuit, May 7, 2025)

Amicus – SCOTUS (Other)ImmigrationSeparation of Powers

National TPS Alliance v. Noem — Amicus Brief

ddavies May 7, 2025 Constitutional Law, U. S. Court of Appeals, Ninth Circuit

Link to brief

Amicus - USCAImmigrationSeparation of Powers

United States v. Shilling — Amicus Brief

ddavies May 1, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Other)Executive OrdersLGBTQ AgendaMilitary LawSeparation of PowersTrans

Trump v. Wilcox — Amicus Brief

ddavies April 15, 2025 Constitutional Law, U. S. Supreme Court

Link to brief

Amicus – SCOTUS (Other)Appointment and RemovalSeparation of Powers

Perkins Coie v. U.S. Department of Justice

ddavies April 9, 2025 Constitutional Law, Executive Orders, U. S. District Court, District of Columbia

Link to brief

Amicus - USDCElection IntegrityExecutive OrdersSeparation of Powers
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[G]overnment is not the
solution to our problem;
government is the problem."

President Ronald Reagan,
First Inaugural Address;
January 20, 1981

Bump Stock Litigation

William J. Olson, P.C
Files 200th Amicus Brief
in U.S. Supreme Court

150th Amicus Brief

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