Significance. Whether a trademark is distinctive is the focus of substantive examination by trademark offices in various countries. The so-called "distinctiveness" refers to whether a trademark can be judged by ordinary consumers as a sign indicating the source of the product, rather than ordinary text, graphics or anything else. The trademark laws of various countries have detailed regulations on non-distinctive trademarks. Except for trademarks that are descriptive of goods or services, simple letter combinations of 3 or less are generally considered to lack distinctiveness; single colors, color blocks, and simple shapes are also not distinctive; ordinary and common words are generally considered to lack distinctiveness. Considered less significant. Therefore, applicants must pay attention to avoid the above situations when designing trademarks.