He became cand.pol. In 1940 and was one the founders of Tjóðveldisflokkurin the Faroese Republican Party. The republicans are a left-wing Faroese political party in favor of national independence from Denmark. He was a member of the Faroese parliament — the Løgting — from 1958-66 and again in 1970–86. From 1963–67 he was minister of fishery and finance, and from 1973–1977 a member of the Danish parliament – the Folketing.
As a writer Patursson has been awarded for his work concerning Faroese fishermen from 1850–1970. In 1981 he received Mentanarvirðisløn M. A. Jacobsens the Faroese literary award for these writings.