Lucas M. Walker

Partner

MoloLamken LLP

Lucas Walker is a partner in the Washington, D.C. office of MoloLamken LLP.  His practice focuses on appellate litigation in federal and state court, as well as motions practice and issue development at the trial level.  He has argued before the U.S. Supreme Court, federal courts of appeals, and district courts, and has briefed numerous other cases in those courts.  Mr. Walker’s experience covers a broad range of subject matter, including intellectual property, administrative and constitutional law, bankruptcy, foreign sovereign immunity, telecommunications, energy, and white-collar defense.  He recently briefed and argued on behalf of petitioners in Abitron Austria GmbH v. Hetronic International, Inc., where the Supreme Court held that U.S. trademark law does not apply to petitioners’ use of trademarks in foreign countries.

Mr. Walker served two clerkships at the U.S. Supreme Court, first with Justice Samuel A. Alito, Jr. and later with Justice Neil M. Gorsuch. Mr. Walker also served as a law clerk to then-Judge Gorsuch on the U.S. Court of Appeals for the Tenth Circuit. 

Mr. Walker teaches Advanced Appellate Advocacy at the George Washington University Law School.  He is also co-editor of MoloLamken’s annual Supreme Court Business Briefing.