Fitzpatrick is known for his unorthodox advocacy of class action lawsuits from a conservative point of view,[1][2][3] and is the author of a book on the subject, The Conservative Case for Class Actions (University of Chicago Press, 2019).

[4] Fitzpatrick received a Bachelor of Science in 1997 from the University of Notre Dame where he was the first runner up to Valedictorian.

[5] He received the Fay Diploma for the highest combined average for three years in his class at Harvard Law School in 2000.

Between his time as a clerk and professor, Fitzpatrick worked as an associate in Sidley Austin's Washington, D.C. office and as Special Counsel for Supreme Court Nominations to Senator John Cornyn.

He teaches several courses at Vanderbilt, including Federal Courts and a seminar on the relationship between judges and politics.