Samuel Butler, an associate in Washington, D.C., with Keller & Heckman LLP, works with clients to analyze and manage risk related to product labeling and marketing, with a particular focus on health, nutrition, and environmental advertising in the supplement and consumer product industries. With an extensive litigation background, Samuel represents companies in federal courts nationwide, as well as before the Federal Trade Commission, the National Advertising Division, and the National Advertising Review Board. He also has significant experience in domestic and international arbitration.