He was a law clerk for Judge Charles W. Froessel of the New York State Court of Appeals from 1953 to 1955.
[2] Pratt was nominated by President Gerald Ford on April 13, 1976, to a seat on the United States District Court for the Eastern District of New York vacated by Judge Anthony J. Travia.
[2] Pratt was a federal judge on the United States Court of Appeals for the Second Circuit.
Pratt was nominated by President Ronald Reagan on April 26, 1982, to a seat on the United States Court of Appeals for the Second Circuit vacated by Judge William H. Timbers.
[2] Since 2001, Pratt has engaged in the private practice of law in Uniondale, New York.