A Doctor of Canon and Civil Law, from the Latin doctor utriusque juris, or 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 law and church law. The degree was common among Catholic and German scholars of the Middle Ages and early modern times. Today the degree is awarded by the Pontifical Lateran University in the State of the Vatican City after a period of six years study, by the University of Wuerzburg, and by the University of Fribourg.
Prior to ca. 1800, people who studied law in Europe, studied canon law, Roman law, and feudal law. These laws were the constituent parts of the Ius commune. The Ius commune was a pan-European legal system that held sway over Europe from approximately the twelfth through the eighteenth century. Graduates earned the decree of Doctor of both laws, because they had to study both canon law and civil law, in order to master the Ius commune.
Doctors of Civil and Canon Law
Agliardi, Antonio, Cardinal, Camerlengo of the Sacred College of Cardinals
Arregui Yarza, Antonio, Metropolitan Archbishop of the Roman Catholic Archdiocese of Guayaquil, Ecuador
Pope Benedict XIV
Bevilacqua, Anthony, Cardinal, Archbishop Emeritus of Philadelphia (USA)
St. Charles Borromeo
Cafardi, Nicholas P., Dean emeritus and Professor of Law of the Duquesne University School of Law (USA)
Carafa, Pierluigi (iuniore), Cardinal, Camerlengo of the Sacred College of Cardinals, Dean of the College of Cardinals
James Conn, Professor, Boston College
James Coriden, Dean Emeritus of the Washington Theological Union
Coughlin, John J., Franciscan priest, New York University Professor
Luigi Dadaglio, Cardinal, Major Penitentiary of the Apostolic Penitentiary
Domenico Ferrata, Cardinal, Secretary of State
Michael J. Fitzgerald, Auxiliary Bishop of the Archdiocese of Philadelphia
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
Józef Glemp, Cardinal, late Archbishop emeritus of Warsaw (Poland)
Waldery Hilgeman, Postulator for the Causes of Saints, Ecclesiastical Judge of the Interdiocesan Tribunal of Utrecht.
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
Pope Leo XIII
Alphonsus Maria de Liguori, Bishop of Sant'Agata de' Goti
Listecki, Jerome Edward, Archbishop of Milwaukee (USA)
Teodolfo Mertel, last lay cardinal in the Catholic Church
Rev Denzil Meuli, priest of the diocese of Auckland
J. K. Paasikivi, President of Finland
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
Sean Sheridan, President, Franciscan University of Steubenville
K. J. Ståhlberg, President of Finland
Alessandro Verde, Cardinal, Archpriest of the Basilica di Santa Maria Maggiore (Italy)
Carlo Maria Viganò, Archbishop at the centre of the Vatileaks scandal
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