Seyfarth Shaw LLP (pronounced "Sigh-farth" Shaw) is an international AmLaw 100 law firm headquartered in Chicago, Illinois. Founded in Chicago in 1945 by Henry Seyfarth, Lee Shaw, and Owen Fairweather, Seyfarth Shaw originally focussed on the area of labor and employment law. Today, the firm’s clients include over 300 of the Fortune 500 companies, and its practice reflects virtually every industry and segment of the economy.