Locke Lord Bissell & Liddell was formed in October 2007 by the merger of Texas-based Locke Liddell & Sapp and Lord Bissell & Brook, a national firm headquartered in Chicago. With an expanded geographic scope, the combined firm has a national reputation for complex litigation and regulatory and transactional work. Its clients range from major corporations and middle-market public and private companies to start-ups and emerging businesses. In addition, the firm provides pro bono services for those in need. Revenue data were obtained from The American Lawyeris Am Law 200, published in the May and June issues of 2007 and 2010.