According to my country's trademark registration review standards, if a trademark uses only a common surname and is composed of ordinary fonts, and is designated for use in daily necessities or daily services, the surname should not be monopolized by one family, as it is deemed to lack distinctiveness. characteristics and does not have the identification function of a trademark. However, if the surname trademark is expressed in a special form of font, or is designated for use in non-daily necessities and non-daily services, this restriction shall not apply. For example, the Henan Provincial Trademark Office registered the trademark "Lao Cai Ji" in calligraphy handwritten font No. 779688 on behalf of the Zhengzhou Catering Corporation, designated for use in the 43rd category of services such as restaurants, restaurants, and banquet preparations, and designated for use on computers. "Liu's" trademark on maintenance services. [Legal basis] Articles 9 and 11 of the Trademark Law. www.cppun.com