For JSD, students with LLM degrees are generally allowed to apply for continuing their JSD degrees after completing their master's degrees if they want to do further research in a certain legal field or if their career goal is to become senior teachers in law schools.
Doctor of law is a doctor's degree in the higher education system, which belongs to the final degree.
The objects and categories of doctor of law awarded in different countries are different. In the United States and other countries, doctor of law (J.S.D.; Or doctor of philosophy of law (doctor of law for short) is the highest research degree awarded to those who have completed doctoral training and made original contributions to law.