Arnason Faktor is the leading firm for prosecution work in Iceland. Trade mark attorney Ásdís Magnúsdóttir, a qualified lawyer, is the leading figure in the team. "She knows her stuff," says a rival. Maria Kristin Gunnarsdottir and Ragnheiður Pétursdóttir, who is also a lawyer, are two notable trade mark and designs practitioners. The firm advised the Icelandic Ministry for Foreign Affairs in the high-profile dispute over the EU trade mark Iceland. The firm is also a leader in patent work. Its patent team is led by Gunnar Örn Harðarson. The team is experienced in technical fields such as engineering, chemistry and life sciences. Einar Karl Friðriksso, Sigurður Ingvarsson and Thorlakur Jonsson are experienced European patent attorneys in the team. They are supported by a team of patent administrators.