Science and engineering, only graduation certificate, no diploma, can I take the patent engineer exam?

Patent engineer and patent agent are two concepts. Engineer is more like the title given to you by the Human Resources and Social Security Bureau. It seems that there is no need to take the exam. According to their academic qualifications, working years and published articles. Patent engineers seem to have no specific concept, but have the title of engineer and are engaged in patent work. Such engineers are usually called patent engineers. Patent agents, who may be called patent agents in the future, are qualified to be patent agents, and they need to pass the examination. It is stipulated in the articles of association that only graduates from science and engineering colleges can apply for the exam, which is a hard indicator. Only those who have completed the certificate should not apply for the exam.