A doctor of both laws, from the Latin doctor utriusque juris, juris utriusque doctor, or doctor juris utriusque ("doctor of both laws") (abbreviations include: JUD, IUD, DUJ, JUDr., DUI, DJU, Dr.iur.utr., Dr.jur.utr., DIU, UJD and UID), is a scholar who has acquired a doctorate in both civil and church law. The degree was common among Roman Catholic and German scholars of the Middle Ages and early modern times.
Today, the degree is awarded by the Pontifical Lateran University after a period of six years of study, the University of Würzburg, the University of Fribourg, and the University of Cologne. The Catholic University of America does not award the doctor utriusque juris as a single degree, but instead offers a dual doctorate in canon and civil law.
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