You can check with the Trademark Office. Query by trademark registration number, trademark applicant and trademark name. Trademark inquiry refers to the procedure that an applicant for trademark registration inquires about trademark registration in person or by entrusting a trademark agent to find out whether the trademark he intends to apply for registration is the same as or similar to the trademark registered or being registered by others.

Trademark is a special legal term. Trademark is a sign used to identify and distinguish the source of goods or services.