Schnader Harrison Segal & Lewis LLP is a U.S. law firm based in Philadelphia, Pennsylvania, founded in Philadelphia in 1935 by former Pennsylvania Attorney General William A. Schnader, Bernard G. Segal, a former Deputy Attorney General serving under Schnader, and Francis A. Lewis. The firm was initially named Schnader & Lewis. Eventually, Segal was added as a name partner. The fourth name partner, Earl G. Harrison, joined the firm in 1948. Today, the firm has more than 180 attorneys in seven offices nationwide.