Alec F. Mouser is an associate in the Washington, D.C. office of Gibson Dunn. He specializes in briefing dispositive and other high-stakes motions—both in trial court and on appeal—across an array of litigation areas, including data privacy, mass torts, and administrative law.
Before joining Gibson Dunn, Alec served as a law clerk to the Honorable Julius N. Richardson of the U.S. Court of Appeals for the Fourth Circuit and the Honorable Howard C. Nielson, Jr., of the U.S. District Court for the District of Utah.
Alec earned his law degree with high honors from the University of Chicago Law School, where he served as a Comments Editor of the University of Chicago Law Review. Before law school, he graduated summa cum laude from William & Mary, where he majored in History and Government.
Alec is admitted to practice in the District of Columbia and before the U.S. Courts of Appeals for the Fourth, Fifth, and D.C. Circuits.
Capabilities
- Appellate and Constitutional Law
- Administrative Law and Regulatory Practice
- Litigation
- Privacy, Cybersecurity, and Data Innovation
- Product Liability
- Technology Litigation
Credentials
Education:
- University of Chicago - 2022 Juris Doctor
- College of William & Mary - 2018 Bachelor of Arts
Admissions:
- District of Columbia Bar
Clerkships:
- USDC, Utah, Hon. Howard C. Nielson, Jr., 2023 - 2024
- US Court of Appeals, 4th Circuit, Hon. Julius N. Richardson, 2022 - 2023
News & Insights
Client Alert
U.S. Supreme Court Round-Up (August 2025)