Career

Couch was appointed Chief Justice of the High Court of Bombay in 1866. He served for four years in that position, before being appointed Chief Justice of the High Court of Calcutta, serving in that post from 1870 to 1875. Upon his retirement from the High Court of Calcutta, Couch was appointed to the Judicial Committee of the Privy Council in 1881.

He sat on numerous appeals from India and Canada.