DAN FEITH focuses on regulatory and complex civil litigation and government enforcement proceedings, often involving difficult questions of constitutional, statutory, and administrative law. He has extensive experience representing clients before trial and appellate courts, as well as before FDA, EPA, DOJ, and other federal agencies, in matters involving food, drug, and tobacco law, securities law, environmental law, federal fraud statutes, and sovereign immunity. For his regulatory and civil litigation work, Dan has been recognized in Lawdragon’s “500 X – The Next Generation” list of future leaders in law (2023–2024). Dan rejoined the firm after serving in the U.S. Justice Department as deputy assistant attorney general for the Consumer Protection Branch, where he led the Department’s efforts to enforce the Food, Drug, and Cosmetic Act, Controlled Substances Act, and other consumer protection statutes and to defend the FDA in administrative litigation.
Before coming to Sidley, Dan clerked for Chief Justice John G. Roberts, Jr. on the U.S. Supreme Court, Judge Thomas B. Griffith on the U.S. Court of Appeals for the D.C. Circuit, and for Judge Richard J. Sullivan on the U.S. District Court for the Southern District of New York. Prior to law school, Dan served in the U.S. Department of State as a speechwriter for the secretary and deputy secretary of state.