He graduated from law school at Belgrade's Grande école (Velika Škola), and was called to the bar in 1891.
Under the new administration in 1900 he accepted the appointment of judge in Šabac, and later was named secretary of the Appeal Court in Belgrade.
The spirit in which he acted and the aims which he steadily set before himself contributed to the allaying of party animosities, to the promotion of a willing submission to the laws, to the property of trade and to the extension and improvement of education.
In flowing verse, without many personal references, he used motifs from medieval Western Europe, described his own experiences, his rebellion against the government of oppression, his horror of the social system that existed at the time, etc.
Mitrovic is best known for "Knjige o ljubavi" (Book About Love, 1899) and his political satire, "Prigodne pesme" (Commemorative Songs, 1903).