/prəˈpraɪətri brænd/ – Phrase
Definition: nhãn hiệu đăng ký độc quyền.
A more thorough explanation: A proprietary brand refers to a brand or trademark that is owned and controlled by a specific individual, company, or organization. This means that the brand is exclusive to the owner and cannot be used by others without permission.
Example: The company filed a trademark application to protect their proprietary brand of skincare products.