WilmerHale, with twelve offices throughout the world, was created by the May 31, 2004 merger of Washington D.C.'s Wilmer, Cutler & Pickering with Boston's Hale and Dorr. The merged firm placed twenty-eighth on the National Law Journal's 2011 NLJ 250 rankings of firms based on size, with 890 attorneys. With $962,000,000 in gross revenue in 2010, the firm ranked 18th on The American Lawyer's 2011 Am Law 100 rankings of U.S. law firms based on revenue. In the 2011 Global 100 survey, the firm ranked as the 22nd highest grossing law firm in the world. The firm's attorneys practice out of offices in the U.S., the U.K., continental Europe and Beijing. The firm's practice areas include business transactions, intellectual property, litigation, corporate and transactional, and securities.