Bourne was called to the bar of
Lincoln's Inn in 1890 during long leave at home in England. In 1898, he was appointed Judge of the
British Supreme Court for China and Japan based in
Shanghai replacing
George Jamieson, and serving under Chief Justice
Nicholas John Hannen. Following Hannen's death,
Hiram Shaw Wilkinson was appointed Chief Justice. In 1901 the position was renamed
Assistant Judge. Bourne served as Acting Chief Justice of the court in 1900 and between 1902 and 1903 when Wilkinson was on long leave and as Acting Judge between 1908 and 1909 and in 1911 and 1914 when the then Chief Judge
Havilland de Sausmarez was on leave. In 1904, Bourne was appointed
Judge of the High Court of
Weihaiwei. He held the position concurrently with his position as judge in Shanghai. He was made a
Companion of the Order of St Michael and St George in 1909 Bourne retired in 1916.
Skinner Turner was appointed as the Assistant Judge in his place. Bourne was knighted just before his retirement. ==Death==