Smiling slippers are not infringed by the United States. By consulting the civil code laws, we know that the United States does not infringe on smiling slippers. There are all kinds of smiling face patterns. As long as they are not the same as trademarks and public figures, the difference must reach more than 50%, so there is no infringement. Tort refers to an illegal act that infringes on the personal property or intellectual property rights of others and should bear civil liability according to law. After the infringement, there is a specific relationship of civil rights and obligations between the infringer and the victim, that is, the victim has the right to claim compensation from the infringer.