After the war, he returned to practice law with great success, and became a judge in 1939, as a Senator of the College of Justice.

1 Squadron in 1917, and became an air ace having claimed seven victories against German aircraft between October 1917 and March 1918.

[4] He was shot down by ground fire behind enemy lines near Messines on 10 April 1918, and became a prisoner of war at Holzminden.

[4] After the war, he continued with his legal career, becoming standing counsel to the Department of Agriculture for Scotland, and an advocate depute (prosecutor) in the sheriff courts in 1929.

[1] In June 1937 Patrick was unanimously elected as Dean of the Faculty of Advocates, replacing James Keith who had become a judge.