Profile: Simpson Thacher & Bartlett is a New York-based law firm. The firm ranked 22nd on The American Lawyer's 2010 Am Law 100 rankings of U.S. law firms by revenue, with gross revenue of $870,500,000 in 2009. Simpson Thacher & Bartlett has been in the top 25 of the annual Am Law 100 rankings since 1986. In the 2009 Global 100, the firm was ranked as the 31st highest grossing law firm in the world. With 835 attorneys, Simpson Thacher & Bartlett placed thirty-fourth on the National Law Journal's 2009 NLJ 250 rankings of firms based on size. The firm's practice areas include antitrust, litigation, corporate law, discrimination and sexual harassment, and intellectual property. Its offices include locations in Los Angeles, Washington, DC, Palo Alto, London, Hong Kong, and Tokyo, and a newly-opened office in Beijing.