The Juris Doctor degree (J.D. or JD), also known as Doctor of Law or Doctor of Jurisprudence (J.D., JD, D.Jur., or DJur), is a graduate-entry professional degree in law and one of several Doctor of Law degrees. In Australia, Canada, the United States, and some other common law countries, the Juris Doctor is earned by completing law school.
Doctor of Juridical Science, Doctor of the Science of Law, (in Latin) Scientiae Juridicae Doctor (S.J.D.) or Juridicae Scientiae Doctor (J.S.D.), is a research doctorate in law equivalent to the more commonly awarded research doctorate, the Ph.D. It is offered primarily in the United States (where it originated), and in Canada and Australia.
Juris doctor, or doctor of Jurisprudence, commonly abbreviated J.D., is the degree commonly conferred by law schools. It is required in all states except California (which includes an option called law office study) to gain Admission to the Bar .