You can check in China National Intellectual Property Administration or local intellectual property offices, or visit the websites of these departments. If you apply for a patent, it depends on the scope of the claims in the patent application. If the product or method falls within the scope of the claim, it will definitely infringe the patent right. Recently, Wu Mou was sentenced to four years in prison and fined 750,000 yuan for helping counterfeiters produce famous brand trademarks and committing the crime of illegally manufacturing registered trademarks. It turns out that it is illegal to manufacture another person's trademark without the consent and authorization of the trademark registrant. Chen Mou, a counterfeiter, commissioned Wu Mou to produce packaging boxes with trademarks of "Gujing Distillery" and "Kouzi" for personal profiteering. See profitable, Wu Mou without the authorization of the trademark holder, produced the packaging box of the above trademark. During May, 20 14 to July, 20 15, Wu Mou and others illegally manufactured counterfeit registered trademarks with a total value of RMB/KLOC-0 1464793.53 yuan, until they were caught by the public security organs. The court held that Wu Mou made two kinds of registered trademarks for illegal profit without the permission of the trademark owner, and the illegal business amount was 65,438 yuan +0.46 million yuan. If the circumstances are particularly serious, his behavior has constituted the crime of illegally manufacturing registered trademark marks and is a joint crime. Because of his voluntary confession, he was given a lighter punishment as appropriate, and was finally sentenced to 4 years in prison and fined 750,000 yuan.