Clients, Cannabis & the Law By Anna Stolley Persky Weed. Grass. Dope. Herb. Reefer. Journalists and politicians tend to call it marijuana. Industry insiders and practitioners would prefer it called cannabis rather than any of the other slang terms. Whatever it's called, it's big business in the states that have legalized its use, and it's even bigger business in those states that have legalized its cultivation and sale. Cannabis law attorney Jason D. Klein (center) of Offit Kurman with Remedy Columbia's Brent Guyton (left) and Mitchell Trellis (right). Photos by Patrice Gilbert Photography