Infringement Because many phone cases on the AliExpress platform often rely on intellectual property rights such as trademarks and patents of well-known brands. If there is no legal authorization license, selling phone cases related to these trademarks and patents will constitute infringement. In addition, there are also some illegal acts such as counterfeit and substandard products on the AliExpress platform. If they are reported by consumers or investigated by regulatory authorities, they will be subject to legal sanctions. With the popularization of e-commerce, online infringements are becoming increasingly rampant. For sellers, they should always pay attention to the protection of intellectual property rights and avoid unauthorized use of other people's intellectual property rights such as trademarks and patents, so as to avoid infringement disputes. For consumers, they should also raise their awareness of intellectual property protection, choose regular channels to purchase products, and avoid purchasing infringing products.