If you are Party B, then regarding the maintenance of intellectual property rights, the state is Party A. However, we may not be clear about the process, so we need to find a third party who understands it. In view of the rapid development of O2O, , the intellectual property third-party service platform has come out, with the purpose of providing services to more people. The companies currently involved are similar to those mentioned above, but the service quality is different. Relatively speaking, the ones currently doing better are Zhiguoguo has just completed two rounds of financing and is relatively strong.