EG926128 on the pants trademark is the code and item number of the pants. Trademark is a specialized legal term. A trademark is a sign used to identify and distinguish the source of goods or services. Any mark that can distinguish the goods of a natural person, legal person or other organization from the goods of others, including words, graphics, letters, numbers, three-dimensional signs, color combinations and sounds, etc., as well as combinations of the above elements, can be applied for registration as a trademark . After a brand or part of a brand is registered by the relevant government departments in accordance with the law, it is called a trademark. Trademarks are protected by law, and the registrant has exclusive rights. Well-known trademarks in the international market are often registered in many countries. The difference between registered trademarks and unregistered trademarks in China. Registered trademarks are trademarks that are protected by law after being registered with relevant government departments. Unregistered trademarks are not protected by trademark laws.