1. There is no trademark R, because there is no trademark R that can be sold, and laws and regulations do not force food packaging to have a trademark.

2. A trademark is a distinctive sign to identify a commodity or service or a specific individual or enterprise related to it. When a brand or part of a brand is registered in the relevant government departments according to law, it is called a "trademark".

3. It can be graphics or text, or it can be expressed by sound, smell or three-dimensional diagram.

Trademarks are protected by law, and registrants enjoy exclusive rights.

Famous trademarks in the international market are often registered in many countries.

6. There are registered trademarks and unregistered trademarks in China. The former is a trademark protected by law after being registered by relevant government departments, while the latter is not protected by trademark law.