Anton Joseph Freiherr von Öttl died in Vienna on January 4, 1723.
Öttl studied at the University of Salzburg, where he was awarded the degree of Magister of artes in 1688. Since 1693 doctor of law, Öttl was elected procurator of the Austrian Nation at the University of Vienna in 1694. He resigned the office before the end of his term of office, as he was appointed university syndic and notary. In the 1703/04 academic year, Öttl served as Dean of the Faculty of Law, and in 1707/08 as Rector of the University of Vienna.
In addition to his work at the university, Öttl was a civil servant at the Court War Council. Öttl belonged to a small group of civil servants who enjoyed the special trust of Prince Eugene, the president of the Court War Council. Öttl was significantly involved in the negotiation of the Peace of Passarowitz in 1718 and the trade treaty between the Austrian monarchy and the Ottoman Empire.