Average revenue per lawyer in 292 law firms surveyed was up 4.3% to $419,826 in 2006, according to the recently released 2007 edition of "Survey of Law Firm Economics" published by Altman Weil (Newtown Square, PA). According to the survey, which includes information from over 18,000 lawyers, law firm expenses rose 2.9% in 2006 while per lawyer income was up 5.3%. The survey reports on law firm revenue, profitability, compensation, billing rates, billable hours and staffing ratios in U.S. law firms in 2006.