Legal analysis: the term of use of a registered trademark is ten years. Where a registered trademark needs to be used continuously after the expiration of its term of validity, the trademark registrant shall go through the renewal procedures in accordance with the provisions within 12 months before the expiration; If it has not been handled during this period, it can be extended for six months.

Legal basis: Trademark Law of People's Republic of China (PRC).

Article 8 Any sign that can distinguish the commodities of natural persons, legal persons or other organizations from those of others, including words, figures, letters, numbers, three-dimensional signs, color combinations, sounds and combinations of the above elements, may apply for registration as a trademark.

Article 9 A trademark applied for registration shall have distinctive features and be easy to identify, and shall not conflict with the legal rights previously obtained by others.

Trademark registrants have the right to indicate "registered trademarks" or registration marks.