2. To lodge a complaint on Taobao or Tmall, you must first lodge a complaint with a certificate of rights (such as trademark certificate, copyright registration certificate and patent certificate) on Alibaba's intellectual property protection platform, and then initiate a complaint with the registered rights of Alibaba's intellectual property protection platform;
3. You can also complain to the patent office where the infringer is located with the patent certificate. If the infringer is in Shenzhen, he can complain to the Market Inspection Brigade of Shenzhen Market Supervision Bureau (working in Futian Free Trade Zone);
4. If it is a patent for utility model or design, you need to obtain a patent evaluation report before complaining, and the conclusion of the evaluation report is a patent, otherwise you can't complain.