The A-List ranks law firms by measuring and weighing factors that create an “elite” law firm.  The four factors include:  revenue per lawyer, pro bono work, lawyer diversity, training, and satisfaction.  The A-List began in 2003.   The list has almost completely transformed since last year, despite four firms holding on to last year’s rankings.  Four firms fell off list, which in turn allowed another four to join.  Wilmer Cutler Pickering Hale and Dorr and Howrey rejoin the list, while Irell & Manella and Kirkland & Ellis are entirely new to the list.  

Source:  www.law.com