There are many possible reasons an attorney would want to develop a new practice area. For Lydia Hilton, a lawyer with Berman Fink Van Horn P.C., it was a combination of things. Her traditional practice areas—bankruptcy and real estate—are inherently cyclical, especially in Atlanta. Clients are usually less than thrilled to be involved in a bankruptcy case, she adds.

Drone law, her new practice focus, is filled with enthusiastic entrepreneurs who need help navigating the still-forming laws that apply to unmanned aircraft. She also has plenty of resources at her firm to advise on organizational and operating matters that arise in any business.