According to the provisions of the "Trademark Review and Adjudication Rules", the Trademark Review and Adjudication Board adopts a collegial system when hearing trademark dispute cases, and a collegial panel composed of trademark review personnel conducts the trial. The collegial panel shall consist of an odd number of 3 or more trademark reviewers. When hearing cases, the collegial panel implements the principle that the minority obeys the majority. The basic organizational form of the Trademark Review and Adjudication Board in hearing trademark dispute cases is the collegial system. However, there are exceptions. When the Trademark Review and Adjudication Board hears cases with clear facts and simple circumstances, a single trademark reviewer can review the case alone. According to Article 31 of the "Trademark Review Rules", the situations where sole review is applicable mainly include the following: (1) The trademark cited in the Trademark Office's decision to reject or objection has lost the exclusive right at the time of review or has been (2) The trademark that is requested to be revoked has lost its exclusive rights; (3) The trademark cited by the Trademark Office in its rejection decision belongs to the applicant, but was rejected by the Trademark Office because the applicant failed to complete the change procedures in a timely manner. The relevant change procedures have been completed at the time; (4) The trademark previously applied for or registered by others cited in the Trademark Office's decision to reject has been approved to be transferred to the applicant during the review; (5) Other trademarks decided by the Trademark Review and Adjudication Board can be transferred to the applicant A case is judged by one evaluator alone.