This average hours chart ranks the am law 200 by the average bono hours performed by their U.S.-based lawyers in 2021. Calculations are based on lawyer counts as of Dec. 31, 2021. Overall, most firms across the Am Law 200 saw a decline in pro bono hours in 2021, including in terms of average hours per attorney. But there still were several standouts, with 11 firms putting up more than 100 hours per attorney on average. Almost all of those ranked exceeded the 20-hour per-lawyer market standard.