Nakamura & Partners provides excellent patent prosecution and contentious services. The patent attorneys are very experienced in dealing with applications and trials before the Japan Patent Office. Yoshio Kumakura and Koichi Tsujii are leaders in the firm. Other notable patent practitioners include Kazuo Yamasaki, who is a key member of the chemical and biotechnology group, and Hiroyuki Suda, who is part of the electronics and IT group. Masakazu Kobayashi is a rising star to watch. In 2018, the firm successfully defended Ushio in a patent litigation matter.