By the end of 50 17, China's trademarks were classified into word mark, letter trademark, digital trademark, color combination trademark and overall combination trademark.

1. word mark: refers to a trademark composed only of characters, including China Chinese characters and minority languages, foreign languages and * * * numbers or a combination of various languages;

2. Alphabetic trademarks: refer to the smallest writing unit of pinyin characters or phonetic symbols, including trademarks composed of pinyin characters and foreign letters such as English letters and Latin letters;

3. Digital trademarks: trademarks consisting of * * * numerals, Roman numerals or Chinese capital numerals;

4. Color combination trademark: refers to a trademark formed by arranging and combining two or more colors;

5. Overall combined trademark: refers to a trademark consisting of two or more components, also known as a composite trademark.