Jacob practised in the chancery court, and was appointed a King's Counsel on 27 December 1834. He died on 15 December 1841.[2]
Works
With John Walker, Jacob edited Reports of Cases in the Court of Chancery during the time of Lord-chancellor Eldon, 1819, 1820, 2 vols. 1821–3; and by himself; a volume of similar reports for 1821 and 1822, published in 1828. He also published with additions a second edition of Roper Stote Donnison Roper's Treatise of the Law of Property arising from the relation between Husband and Wife, 1826.[2] This work was the basis for the Treatise on the Law of Husband and Wife (1849) of John Edward Bright.[4][5]