Legal analysis: How long it takes to sue for trademark infringement depends on what procedure is applied. 1. A case tried by the people's court through ordinary procedures shall be concluded within six months from the date of filing the case. If there are special circumstances that need to be extended, it can be extended for six months with the approval of the president of our hospital; If an extension is needed, it shall be reported to the people's court at a higher level for approval. 2, the people's court shall conclude the case within three months from the date of filing.

Legal basis: Article 149 of the Civil Procedure Law of People's Republic of China (PRC).

A case tried by the people's court through ordinary procedures shall be concluded within six months from the date of filing the case. If there are special circumstances that need to be extended, it can be extended for six months with the approval of the president of our hospital; If an extension is needed, it shall be reported to the people's court at a higher level for approval.