From changes in fees and compensation to management structures and office sizes, a new study of the legal sector shows many attorneys and law firm leaders across the U.S. don’t expect the legal sector to remain quietly unchanged anytime soon.Rather, 20 percent of some 1,500 individuals from law firms said they plan to make dramatic changes in their firm’s overall structure within the next five years.Additionally, 47 percent said that in the next 10 years the legal sector will be “completely reorganized …