For the NLJ 250 survey of the nation’s largest law firms, lawyer totals are based on the average number of full-time equivalent attorneys for the period Jan. 1 to Dec. 31, 2011. The National Law Journal sent surveys to hundreds of law firms to determine the 250 largest. Lawyer counts do not include contract or temporary attorneys. A firm must have more lawyers based in the United States than in any other single country to be included in our survey. Firms are ranked by the number of full-time equivalent attorneys. Full-time equivalent numbers are rounded to the nearest whole number.