infringement. According to the inquiry law, the car logo on the umbrella will infringe the trademark right of the car if it is not authorized. In most countries, the trademark law stipulates that it is illegal for anyone to use another person's trademark without permission. If the umbrella manufacturer wants to use the trademark of the car brand, he needs to obtain the license of the brand owner. Before obtaining the license, he should carefully study the relevant laws, regulations and licensing requirements to ensure that he will not violate any legal provisions or contractual obligations.