Michael D. Curran was licensed to practice law on November 4, 1983 and was sworn in by Collin County Judge William Roberts. Mr. Curran was hired as an Assistant District Attorney in the Collin County District Attorney's Office where he served as a prosecutor from October 1, 1983 until October 1, 1986. In 1987, Mr. Curran formed the partnership of Jouette and Curran with Bill Jouette, who had just recently finished his service as the first County Court at Law Judge in Collin County. During the course of the partnership, the firm received the coveted AV rating from Martindale-Hubbell. After Mr. Jouette's death from cancer in January 1993, Mr. Curran carried on in the firm as a solo practitioner.
During his career, Mr. Curran has taught Criminal Justice at the Collin County Community College during the 1987-88 school year. Was a lecturer for the Texas District and County Attorneys Association in October 1985. Was a lecturer for the Texas Justice Court Training Center from 1992 through 1997, where he lectured at five different venues, each of the five years teaching Justices of the Peace, their mandatory Judicial education. Mr. Curran was one of the original founders of the Collin County Criminal Defense Lawyers Association.