Dr. Kemner specializes in civil litigation, particularly in cases with a significant international component. Areas of expertise include product liability, class action, ATCA claims, and commercial litigation primarily for European manufacturers, in litigation in the United States, Europe and elsewhere.
He also represents German clients in US. litigation involving software copyright violations, tortious interference, trade mark, and related claims.
Dr. Kemner also specializes in international law, challenging personal jurisdiction of US courts over non-US defendants.
He represents parties appearing before International Arbitration Panels in large-scale business disputes, including a German submarine manufacturer in dispute with Government of Iran.