• 1981  Cand.jur. University of Aarhus
• 1985  Lawyer
• 1991  Admission to practise for High Court
• 1992  Appointed defender
• 1996  Admission to practise for Supreme Court
• 1998  Partner in Advodan Tønder Law firm

The main working areas of Lars Nauheimer are tort law cases and personal injuries, hereunder traffic injury, patient injury and occupational injury. In addition he also works with litigation, including a significant number of criminal cases at The District Court and at The High court. Other important areas of work are real estate as well as insolvency law, where Lars Nauheimer often is appointed by The District Court as a trustee to deal with bankruptcy and reconstruction.