Lemmon was nominated by President
Harry S Truman on January 17, 1947, to a seat on the
United States District Court for the Northern District of California vacated by Judge
Martin Ignatius Welsh. He was confirmed by the
United States Senate on February 5, 1947, and received his commission on February 7, 1947. His service was terminated on May 3, 1954, due to elevation to the Ninth Circuit. Lemmon was nominated by President
Dwight D. Eisenhower on April 6, 1954, to the
United States Court of Appeals for the Ninth Circuit, to a new seat created by 68 Stat. 871. He was confirmed by the Senate on April 27, 1954, and received commission on April 29, 1954. His service was terminated on April 26, 1958, due to his death. ==References==