Son of James G. Lloyd of Kilgerran, Pembrokeshire, Lloyd studied at Sloane School and Selwyn College, Cambridge,[1] before taking a teaching post at Bembridge School on the Isle of Wight, where he involved himself in the trusteeship of various organisations relating to John Ruskin.
He became a barrister at Gray's Inn in 1939,[1] specialising in patent law, then became a Queen's Counsel in 1961.
[2] During the Second World War he served as a government scientific researcher.
[1] Lloyd was made a Justice of the Peace for the county of Surrey (where by 1983 he lived at Esher) in 1953 and appointed a Commander of the Order of the British Empire (CBE) in the 1953 Coronation Honours.
On 29 June 1973, he was created a life peer as Baron Lloyd of Kilgerran, of Llanwenog in the County of Cardigan,[4] and in the Lords, he focussed on developments in patent and copyright law.