/ˈwɜːrkɪŋ rɪˈkwaɪəmənt/ – Phrase
Definition: quy tắc về việc bắt buộc sử dụng bằng sáng chế (điều kiện duy trì hiệu lực của bằng sáng chế).
A more thorough explanation: A “working requirement” refers to a condition or obligation imposed by law or contract that mandates an individual to engage in employment or perform work in order to meet certain criteria, such as eligibility for benefits, entitlement to compensation, or compliance with regulations.
Example: The working requirement for this position is a minimum of 40 hours per week.