Whether the manufacturer can be sued for trademark infringement depends on whether the merchant knows about the fraudulent use of another person's registered trademark and whether it belongs to processing on behalf of others. The situation is different, and whether the manufacturer can be sued as a defendant is also different. Under normal circumstances, you can entrust a lawyer to investigate the manufacturer's knowledge and sue after obtaining favorable evidence.

legal ground

code of civil law

Article 119 A prosecution must meet the following conditions: (1) The plaintiff is a citizen, legal person and other organization that has a direct interest in the case; (2) Having a clear defendant; (3) Having specific requests, facts and reasons; (4) It falls within the scope of civil litigation accepted by the people's court and is under the jurisdiction of the sued people's court.