First, the shareholders party to the proceedings on behalf of (A) the plaintiff shareholder lawsuit As the name suggests, the shareholders shall be shareholders of plaintiff litigation, including the common shareholders and preferred shareholders. In shareholder litigation, the other shareholders can participate in to become a co-plaintiff in the lawsuit, but as a shareholder of the defendant should be excluded. On behalf of the litigation, shareholder eligibility to become a plaintiff must also possess the necessary qualifications. Countries (regions) of different legal traditions, shareholder litigation on behalf of the plaintiff's qualifications are different. However, in general, national (regional) company law restrictions on the eligibility of the plaintiff mainly two aspects: First, holding time requirements, and second, holding the number of requests. The holding time requirements, common law countries have adopted "rules of the then shareholders", which called for action on behalf of the plaintiff to be prosecuted in their behavior against the interests of the company's own shares when, and not the company of their shareholders before the company filed by the representative of an infringement lawsuit. Co., Ltd. under China's current 180-day period.
