Profile: Mayer Brown LLP was formed from the 2002 merger of Mayer, Brown & Platt and Rowe and Maw; its most recent merger, with JSM (formerly Johnson Stokes & Master) of Hong Kong, occurred in January, 2008. In 2010 the firm ranked in the number tenth spot on The American Lawyer's Am Law 100 rankings of U.S. firms based on revenue, with $1,118,000,000 in gross revenue in 2009; the firm placed 12th in the 2009 Global 100 revenue rankings. In terms of size, Mayer Brown has 1,642 attorneys (including the JSM attorneys) and is ranked tenth in the National Law Journal's 2009 NLJ 250 rankings of U.S. firms based on size. Mayer Brown has offices in multiple cities, including London, Paris, Frankfurt, and New York. Mayer Brown has alliances of "cooperation, client development and referral arrangements" with Ramon & Cajal in Spain, Tonucci & Partners in Italy, and Jauregui, Navarette y Nader in Mexico.