Patrick was born and raised in Chicago, Illinois. He was admitted to the Illinois bar in 1985 and the U.S. District Court, Northern, Central, Southern, and Western District of Illinois, including the Trial Bar, in 1987. He was admitted to the Wisconsin bar in 1997.
Patrick received his B.S. from Northern Arizona University in 1981 while finishing cum laude. He received his J.D. from DePaul University in 1985, where he was a member of the Phi Kappa Phi Honor Society.