Legal analysis: You can negotiate with the other party, report to the local industrial and commercial department or sue the other party through the local court. Among them, negotiation with the other party will save a lot of time and cost if it can be solved. The investigation by the industrial and commercial department is the fastest, and the investigation by the industrial and commercial administrative department may lead to subsequent administrative litigation; Through civil litigation, it takes a long time and costs the most, but the final trial result is final.

legal basis: article 53 of the trademark law of the people's Republic of China and article 43 of the detailed rules for the implementation of the trademark law stipulate that the administrative department for industry and commerce may take the following measures to impose penalties. (1) The specific measures for ordering to stop the infringement are as follows: ordering to stop selling immediately; Confiscation and destruction of infringing goods; Confiscate and destroy tools specially used for manufacturing infringing goods and forging registered trademarks. (2) impose a fine.