2. Limitations of information sources in active review.

3. Errors caused by subjective and objective differences of examiners.

4. The periodicity of national laws and policies leads to changes in the scale of review.

5, different categories of goods or services in the evaluation scale to grasp the differences.

6. Subjective objectivity of trademark agent in judging the feasibility of trademark registration application.

7. There may be objection risks.

Trademark objection is stipulated by Chinese law. For trademarks actively examined and preliminarily examined by the Trademark Office, the legal procedure of passive examination is open to the public in the form of trademark announcement and subject to public supervision. If there are different opinions and clear reasons for the preliminary examination and approval of a trademark, an application for objection may be filed with the Trademark Office within 3 months from the date of the announcement of the preliminary examination and approval, requesting the cancellation of the preliminary examination and approval and rejecting the application for registration of the trademark.