Monsignor Lagges is a presbyter of the Archdiocese of Chicago, ordained in 1977.  After forty years of service to the Archdiocese, he retired in 2017.  He continues as an adjunct faculty member at CTU (where he has taught canon law since 2005) and at Catholic University of America (where he has taught marriage law since 2009).  He has served as Judicial Vicar of the Archdiocese of Chicago from 1997-2009 and as Vicar for Canonical Services from 2000 – 2009.  He was also an adjunct faculty member at Mundelein Seminary from 1996-2009.  He has published numerous articles, mainly in The Jurist, Studia canonica, and Proceedings of the Canon Law Society of America.  He has been a frequent speaker throughout the Archdiocese and the country in the areas of Church governance, marriage law, penal law, and procedural law.

Msgr. Patrick Lagges


  • Institute for Religious Formation “Religious Law for Formators”
  • Consociatio for the Promotion of Canon Law, “Can A Penal Precept Be Used To Impose A Penalty?”
  • Western Regional Canon Law Conference “What Have We Learned Since Dallas?”
  • Diocese of Tucson: “Canon Law Issues in Pastoral Ministry”
  • Canon Law Society of America “New Models for Catholic Schools”
  • Midwest Canon Law Society “The Role of the Advocate in Marriage Cases”
  • Diocesan Year of Faith, Gary, Indiana “Gaudium et spes: The Church in the Modern World”
  • Canon Law Society of America,  “Issues in Hierarchical Recourse” and Mary Paul McCaughey, O.P., “New Models for Catholic Schools,” in CLSA Proceedings.
  • “Resolution of Cases by Rescript, Penal Precept, or Decree,” in Towards Future Developments in Penal Law: U.S. Theory and Practice, A Symposium held under the auspices of the Pontifical Council for Legislative Texts at the Pontifical University of the Holy Cross
  • “The Pastoral Work of Judges According to Paul VI, The Code of Canon Law, and Dignitas connubii,” in In the Service of Truth and Justice, a Festschrift in Honour of Prof. Augustine Mendonça
  • “The Teaching of the Diocesan Bishop and the Teaching Authority of Conferences of Bishops,” in CLSA Proceedings.
  • “Appointment of Canonical Counsel,” in CLSA Advisory Opinions, A.J. Espelage, ed., “Baptismal Certificate for Child Adopted by Two Same-Sex Individuals,” in CLSA Advisory Opinions
  • “Decrees/Letters/Documents Needed for a Trial,” “Incidental Cases,” and “Elements of the Preliminary Investigation,” in Advocacy Vademecum, P.M. Dugan, ed.,
  • “The Penal Process:  The Preliminary Investigation in Light of the Essential Norms of the United States,” in Studia canonica.