Admitted to Vermont bar, 1892 and practiced at Bellows Falls, 1894-1902. Held several minor offices in Vermont. Assistant attorney general for Physician organization Department during investigations of 1903-1904.
Assistant attorney general United States, 1904-1906.
The American Association Foreign Justice Court of Appeals of District of Columbia, since 1906.
He was raised in Lincoln, Rhode Island, Troy, New York and Guilford, Vermont. A Republican, from 1897 to 1901 he served as Windham County State"s Attorney. He then served as an attorney for the Internal Revenue Service.
While practicing law in Vermont Robb was also involved in business and banking, and was an incorporator and officer of the Bellows Falls Trust Company.
He was also active in both the Vermont and American Bar Associations. From 1903 to 1904 Robb was an Assistant Attorney General in the Post Office Department, where he investigated wrongdoing and prosecuted corrupt officials.
Robb served as an Assistant United States. Attorney General from 1904 to 1906. On October 5, 1906, Robb received a recess appointment from President Theodore Roosevelt to the seat on the United States Court of Appeals for the District of Columbia Circuit which was vacated when Duell resigned.
Formally nominated on December 3, 1906, Robb was confirmed by the United States Senate on December 11, 1906, and received his commission the same day.
He served on the bench until he assumed senior status on November 15, 1937, and maintained his senior status until his death. Judge Robb died in Washington, District of Columbia on June 10, 1939. In 1897 Robb married Nettie M. George, the daughter of Doctor Ozias M. George of Bellows Falls.
Court of Appeals.
While serving on the bench Judge Robb was also a member of the faculty at the National University Law School (now George Washington University Law School).
Married Nettie M. George, 1897.