's
Nyt Juridisk Arkiv (7th volume, 1814). He was a lawyer at the Hof- og Stadsret from 1791 and became a Supreme Court Attorney in 1792. This was within
Denmark–Norway. He was in addition chief legal officer of the
Danish Asia Company 1812–19 and briefly served as director of the
Bank of Denmark in 1818. In 1813, he was designated as Supreme Court justice but never used this appointment. Klingberg was recognized as one of the leading lawyers of his time and acted as defense attorney in a number of high-profile cases, for instance for
Conrad Malte-Brun. ==Personal life==