Defendant's appearance patent infringes on imitation products.

First, applying for a patent does not need to have been put into practice, do not need to provide products or samples, only need to design ideas.

Second, China's patent system is based on the first application, and whoever applies first belongs to the undisclosed party.

Third, infringement means that the product is aimed at the authorized patent, and there is no patent infringement without the patent right.

Fourth, infringement means that the product is aimed at the authorized patent, and there is no infringement between the two products.

Fifth, if it becomes different through sufficient modification, the possibility of infringement on existing patents will be reduced, but it depends on the specific scope of protection in the authorized patent.

In addition, non-China people can also apply for China patents and get authorization.