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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

WLF Legal Pulse
October 6, 2026

Six Takeaways from DOJ’s New Corporate Fraud Enforcement Priorities

Regulated entities should pay heed to the signals DOJ is sending on fraud enforcement through its latest priorities memorandum.

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Press Releases
October 6, 2026

WLF Asks Supreme Court to Restore Federal-Court Access for U.S. Businesses with Foreign Owners

FS Medical Supplies v. Tanner

“The Fourth Circuit had no right to ignore the U.S. citizenship of FS Medical and treat it as a wholly foreign firm.”—Zac Morgan, WLF Senior Litigation Counsel Click here to read WLF’s brief. (Washington, DC)—Washington Legal Foundation (WLF) today urged the U.S. Supreme Court to grant review of a Fourth...

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Legal Backgrounders
October 6, 2026

Medical Monitoring and Limits to Federal Equitable Jurisdiction

Defendants opposing medical-monitoring claims in a federal court sitting in diversity should argue that such a remedy is equitable in nature and force the plaintiff to establish that type of equity was available at America's founding.

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Legal Backgrounders
October 6, 2026

Expert Admissibility in the Fourth Circuit: Coming Full Circle

After one three-judge panel misapplied Rule 702 in a 2025 ruling, evidentiary decisions are trending in a positive direction in the Fourth Circuit, leading up to arguments on October 14 in a key appellate case.

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WLF Month in Review
October 1, 2026

September 2026 Month in Review

9 amicus filings – 2 regulatory comments – 10 publications – 2 programs

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WLF Legal Pulse
September 30, 2026

Court Grants Preliminary Injunction Blocking Enforcement of New Mexico’s PFAS Disclosure Rule

A federal court imposed an injunction against New Mexico's enforcement of a labeling mandate for PFAS-containing products on First Amendment grounds.

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WLF Legal Pulse
September 30, 2026

In Lawsuits Against Sig Sauer, No Good Option Goes Unpunished

Buy a Sig Sauer P320 and you have a choice. Sig sells the pistol with an external thumb safety and without one. If you change your mind later, the company will sell you a kit to add the safety. Many buyers, especially those who carry for self-defense, prefer the version...

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