Attorney Johnson is a member of the Massachusetts Bar Association, American Bar Association, ABA Section of Intellectual Property Law, and ABA Section of Business Law. He received his Juris Doctor from Northeastern University School of Law in May 1979 and his Bachelor of Arts (cum laude) from the University of Massachusetts (Amherst) in May 1975. He is admitted to practice in the Commonwealth of Massachusetts. During law school, he interned with the Boston law firms of Palmer & Dodge, Widett Slater & Goldman, and Fine & Ambrogne. After graduation he worked as an associate with Scheier Scheier & Graham in Acton, Massachusetts before establishing his own practice in Littleton, Massachusetts in January 1983. The practice was moved to Bolton, Massachusetts in September 2002.