Trademark *** Someone’s pattern can be viewed on the official website. You can check with the Trademark Office through the trademark registration number, trademark applicant, and trademark name. 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 .