A doctor of both laws (from the Latin , , or , "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 scholarsGottfried Leibniz held the degree. Armgardt, Matthias. Leibniz as a legal scholar. Fundamina (Pretoria) vol.20 n.1 Pretoria Jan. 2014. Accessed 7 May 2016. 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.Promotionsordnung der Rechtswissenschaftlichen Fakultät der Universität zu Köln vom 26. Oktober 2010 §1 II The Catholic University of America does not award the as a single degree, but instead offers a dual doctorate in canon and civil law.
Between approximately the twelfth through the eighteenth centuries, European students of law mastered the Ius commune, a pan-European legal system that held sway during that span. It was composed of canon (church) law and Roman and feudal (civil) law, resulting in the degree of "Doctor of both laws".Pennington, Kenneth. Course Description: Roman Law and the Ius Commune or of "Licentiatus of both laws".
Doctors of Civil and Canon Law Antonio Agliardi, Cardinal, Camerlengo of the Sacred College of Cardinals Antonio Arregui Yarza, Metropolitan Archbishop of the Roman Catholic Archdiocese of Guayaquil, Ecuador Thomas Bach Bernardo Bembo Pope Benedict XIV Anthony Bevilacqua, Cardinal, Archbishop Emeritus of Philadelphia (USA) Jean de Dieu-Raymond de Cucé de Boisgelin St. Charles Borromeo Edoardo Borromeo Sebastian Brant Giacomo Luigi Brignole Giovanni Battista Bussi (1755–1844) Antonio Maria Cagiano de Azevedo Étienne Hubert de Cambacérès Giovanni Battista Caprara Filippo Giudice Caracciolo Domenico Carafa della Spina di Traetto Francesco Carafa di Trajetto Pier Luigi Carafa, Cardinal, Camerlengo of the Sacred College of Cardinals, Dean of the College of Cardinals Luigi Dadaglio, Cardinal, Major Penitentiary of the Apostolic Penitentiary Antonio Despuig y Dameto Michele di Pietro Domenico Ferrata, Cardinal, Secretary of State Giuseppe Milesi Pironi Ferretti Michael J. Fitzgerald, Auxiliary Bishop of the Archdiocese of PhiladelphiaOfficial Biography. Enrico Gasparri, Cardinal, Prefect of the Supreme Tribunal of the Apostolic Signatura Pietro Gasparri, Cardinal, Secretary of State, codifier of 1917 Code of Canon Law Pietro Giannelli Giacomo Giustiniani Józef Glemp, Cardinal, late Archbishop emeritus of Warsaw (Poland) Archbishop Filippo Iannone, appointed Vicegerent of the Diocese of Rome 31 January 2012 Stephan Kuttner, Professor, Catholic University of America, Yale University, and University of California at Berkeley, founder of the Stephan Kuttner Institute of Medieval Canon Law Carlo Laurenzi Pope Leo XIII Alphonsus Maria de Liguori, Bishop of Sant'Agata de' Goti Listecki, Jerome Edward, Archbishop of Milwaukee (USA) Vincenzo Macchi Lorenzo Girolamo Mattei Teodolfo Mertel, last lay cardinal in the Catholic Church Denzil Meuli, priest of the diocese of Auckland Alfonso Ortiz, editor of the Mozarabic Missal (1500) and Breviary (1502) J. K. Paasikivi, President of Finland Giovanni Panico, cardinal and nuncio Salvatore Pappalardo, Cardinal, Archbishop of Palermo (Italy) Thomas J. Paprocki, Bishop of Roman Catholic Diocese of Springfield in Illinois (USA) Peters, Edward N., Catholic University of America, 1991 Luigi Poggi, Cardinal, Archivist and Librarian Emeritus of the Holy Roman Church Mario Francesco Pompedda, Cardinal, Prefect of the Supreme Tribunal of the Apostolic Signatura Pietro Respighi, Cardinal, Archpriest of the Basilica of St. John Lateran Gabriele della Genga Sermattei K. J. Ståhlberg, President of Finland Alessandro Verde, Cardinal, Archpriest of the Basilica di Santa Maria Maggiore (Italy) Pietro Vidoni Carlo Maria Viganò, Archbishop at the centre of the Vatileaks scandal Jan Wężyk Jean-Baptiste van Dievoet (1775-1862) JUL (Juris Utriusque Licentiatus) of the Old University of Leuven. Antonín Theodor Colloredo-Waldsee, Cardinal, Archbishop of Olomouc
See also Doctor of Canon Law Legum Doctor
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