1 and 15 days: the trademark owner may apply to the trademark review and adjudication board for trademark reexamination within 15 days. 9 months: The Trademark Review and Adjudication Board shall make a review decision within 9 months, and it may be extended for 3 months under special circumstances. 3.30 days: If the audit fails, the owner may bring a lawsuit to the people's court within 30 days from the date of receiving the notice. After the trademark right of a unit or enterprise is infringed, certain measures must be taken to reduce the economic losses caused by trademark infringement. It is a very good administrative means to apply to the Trademark Management Committee for trademark invalidation. The Trademark Committee will, according to the relevant certificates provided by the parties, declare the trademark invalid within the specified time to protect the legitimate market trademark rights.