/prəˈpraɪətri ˈprɒdʌkt/ – Phrase
Definition: sản phẩm đã đăng ký độc quyền.
A more throughout explanation: A proprietary product is a product that is owned, produced, or sold exclusively by a particular company or individual, and is protected by intellectual property rights such as patents, trademarks, or copyrights.
Example: The company claimed that their proprietary product was protected by multiple patents and could not be replicated by competitors.