In his lifetime he was considered the greatest Irish judge of his age; and he has been so regarded ever since, though his few critics attacked his tendency to decide cases on technical points rather than on the merits. Although more than 80 men held that office, V.T.H. Delaney in his biography of Palles said: "In Ireland there is only one Chief Baron". Alexander Sullivan, with his long experience of both Irish and English judges, ranked him one of the four greatest judges he had known on either the Irish or the English bench.