Answer: If a registered trademark violates the provisions of Articles 10, 11, and 12 of this Law, or if the registration is obtained by deception or other unfair means, the Trademark Office shall revoke it. The registered trademark; other units or individuals may request the Trademark Review and Adjudication Board to rule on revoking the registered trademark. If a registered trademark violates the provisions of Articles 13, 15, 16, and 31 of this Law, within five years from the date of trademark registration, the trademark owner or interested party may request a trademark The review committee ruled to cancel the registered trademark. For cases registered in bad faith, the owner of a well-known trademark is not subject to the five-year time limit. Except for the circumstances specified in the preceding two paragraphs, if there is a dispute over a registered trademark, you may apply to the Trademark Review and Adjudication Board for a ruling within five years from the date of approval of registration of the trademark. Article 44 of the Trademark Law stipulates that anyone who uses a registered trademark and commits any of the following acts shall be ordered by the Trademark Office to make corrections within a time limit or cancel the registered trademark: The trademark has ceased to be used for three consecutive years. This shows that generally, the chance of a trademark being revoked through dispute after being registered for five years is relatively small, but one should beware of being revoked by others who have not used it for three years. Trademark cancellation