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Enterprise Free.

Washington Legal Foundation

The nation’s premier public-interest law firm & policy center

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Who We Are

WLF is a national public-interest law firm and legal policy center. Our mission is to defend American free enterprise by litigating, educating, and advocating for a free market, a limited and accountable government, individual and business civil liberties, and the rule of law.

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What We Do

WLF’s vital work to uphold the legal principles that support our free enterprise system are categorized into:

  1. Combating Litigation Abuse
  2. Defending the Rule of Law
  3. Opposing Overregulation
  4. Protecting Economic Liberties

Litigation

Litigation is the backbone of WLF’s public-interest efforts. WLF litigates before state and federal courts and agencies nationwide. WLF’s litigation team takes a multi-faceted approach to protect and uphold the legal principles that support our free-enterprise system.

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Legal Studies

Successfully advocating for a legal and regulatory environment that fosters free enterprise requires the timely dissemination and steady reinforcement of compelling arguments and ideas to those lawyers and jurists who shape the law.

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The Latest

Press Releases
July 6, 2026

WLF Urges Fourth Circuit to Reject Antitrust End-Run Around Prior Patent Judgment

Sandoz, Inc. v. Amgen Inc.

WLF's amicus brief urges the Fourth Circuit to affirm a lower court's dismissal of antitrust claims that amount to a patent plaintiff's attempt to relitigate resolved issues.

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June 2026 Month in Review

8 amicus filings – 3 victories – 7 publications – 1 Legal Policy Salon

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Press Releases
June 30, 2026

WLF Asks Supreme Court to Rebuff Attack on Personalized Ads

Salazar v. Paramount

WLF urged the U.S. Supreme Court to uphold a Sixth Circuit decision that prevented the Video Privacy Protection Act from being used as a cudgel against personalized advertising.

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Press Releases
June 29, 2026

In WLF Victory, Supreme Court Overrules Humphrey’s Executor and Restores Agency Accountability

Trump v. Slaughter

Agreeing with the perspective of WLF's brief, the Court overruled its 1935 decision in Humphrey’s Executor and clarified that Congress cannot restrict the President’s authority to remove FTC commissioners at will.

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Press Releases
June 29, 2026

WLF Asks Supreme Court to Overrule PruneYard v. Robins

Majestic Realty v. Salazar

WLF urged the Supreme Court to grant review in a case that asks the Court to overrule one of its worst First and Fifth Amendment precedents, PruneYard v. Robins.

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WLF Legal Pulse
June 26, 2026

Justices’ “CVSG” Signals Interest in Drug Companies’ Challenge to Oregon Compelled Speech Law

The Court's request that the U.S. government file a brief is a positive signal for those who oppose States' use of disclosure mandates in place of product regulation.

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Press Releases
June 25, 2026

Supreme Court Confirms that a Missouri Jury Cannot Override Federal Pesticide Labels

Monsanto Co. v. Durnell

Agreeing with a brief WLF filed with several trade groups, the Court reversed a Missouri court decision allowing state-law liability for failing to add a carcinogen warning to an EPA-approved pesticide label.

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