Haggerty was a United States District Judge of the United States District Court for the District of Oregon. Haggerty was nominated by President William J. Clinton on November 19, 1993, to a seat vacated by Owen M. Panner.
Judge Haggerty held office as a U.S. District Judge in the Oregon district court. His appointment by President Bill Clinton on November 19, 1993, marked his succession to the vacant seat previously held by Owen M. Panner.