You can sue. A product can apply for multiple trademarks and patent protection. When designing, manufacturing or selling a product, the trademark or invention patent right of others is infringed, and the other party may sue for infringement many times. Invention patent refers to the exclusive right to obtain a new product or technology. If the product involves an invention patent that others have applied for or obtained in the process of using, manufacturing or selling, it will be sued for patent infringement.