Profile: Sidley Austin LLP is the result of the 2001 merger between the Chicago-based Sidley & Austin and the New York-based Brown & Wood. The firm ranked sixth on The American Lawyer's 2010 Am Law 100 with gross revenues of $1,357,000,000 in 2009. In the 2009 Global 100 rankings, Sidley Austin ranked ninth in terms of revenue. With respect to size, the National Law Journal's 2009 NLJ 250 ranks the firm as the ninth largest in the United States with 1,717 attorneys. Sidley Austin LLP specializes in business and financial transactions, including corporate, real estate and e-commerce; litigation and dispute resolution; and antitrust, environmental and immigration law. The firm has offices in cities worldwide. Its most recent office opening was in Sidney, on May 1st, 2007.