• De ruysscher, D., “The Swedish South Company (1626). A Dutch Transplant?”, workshop The History of Commercial Law, Helsinki (FIN), 12 February 2015.

  • De ruysscher, D., “Voluntary bankruptcy in the 16th-century Low Countries: Economic Policy, Legal Doctrine”, Edinburgh (UK), McCormick Fellow seminar, 3 April 2015. 

  • De ruysscher, D., “Small Companies, Contractual Leeway and Third-Party Protection (Belgium, c. 1830-c. 1850)”, conference The Small, Medium-Sized and Large Company in Law and Economic Practice (Middle Ages-Nineteenth Century), Brussels, 21-22 May 2015.

  • De ruysscher, D., “L’affaire Ferrufini: controverse et législation en matière d’assurances maritimes aux Pays-Bas (ca. 1548-1571)”, Journées de la Société d’Histoire du Droit, Rennes (FR), 28 May 2015. 

  • De ruysscher, D., “Debt recovery and debt adjustment: assessing institutional change in Antwerp (c. 1490-c.1560)”, World Economic History Conference, Kyoto (JAP), 7 August 2015.

  • De ruysscher, D., “The Code de commerce (1807) and Economic Policy in Early-Nineteenth Century France”, Annual Meeting of the American Society for Legal History, Washington (VS), 31 October 2015.

  • De ruysscher, D., “Maritime averages in Bruges and Antwerp (15th-16th century): sources, practices and law”, workshop Maritime averages in early modern Europe: a survey of sources and legal issues, University of Exeter (UK), 28 November 2015.

  • De ruysscher, D., “Chartered Companies in Sweden and North-West Europe (c. 1600-c. 1640): Politics as Catalyst for Change”, Helsinki (FI), 13 October 2016.

  • De ruysscher, D., “Reorganisatie en faillissement rechtshistorisch bekeken: naar een ruimer perspectief van een actueel thema”, Forum Romanum, Amsterdam, 8 November 2016.

  • De ruysscher, D., “Bankruptcy Legislation in Belgium and the Netherlands (1807-2009)”, workshop Re-doing business: bankruptcy and insolvency in history, theory, and policy-making – Leverhulme project, Birmingham (UK), 1 December 2016.

  • De ruysscher, D., “ERC Starting Grant CLLS: Analysing Coherence in Law Through Legal Scholarship, Amsterdam (17th Century)”, expert meeting “Law in Amsterdam and the Dutch Republic (17th Century), Tilburg University, 11 May 2017.

  • De ruysscher, D., Chartered Companies in Sweden, the Dutch Republic and North-West Europe (c.1600-c.1630): Experimenting in Corporate Governance”, workshop The Funding of Business, Utrecht, prof. O. Gelderblom and prof. F. Trivellato, 19 May 2017.

  • De ruysscher, D., “Financial Instruments at the Antwerp Bourse (16th Century): General Collateral”, workshop History of the workless economy, Florence, 8 June 2017.

  • De ruysscher, D., ““Turben and pareres in sixteenth-century Antwerp”, workshop Nürnberger Handelsgerichtsbarkeit. Handelsgerichtliche Gutachten in der Frühen Neuzeit, Würzburg (GER), 14 September 2017.

  • De ruysscher, D., “Reception of French commercial law literature in the Low Countries”, Historiography of commercial law, past, present & future, Helsinki (FI), 26 September 2017.

  • De ruysscher, D. and In’t Veld, M., “De handelsgewoonte dogmatisch bekeken”, Belgisch-Nederlandse Kring voor Receptiegeschiedenis, Leiden, 20 October 2017.

  • De ruysscher, D., “Collateral rights over movables in Holland (15th-17th centuries)”, CORE Doctoral School, VUB, Brussels, 10 January 2018.

  • De ruysscher, D., “Lex mercatoria traditions”, i-Hilt lecture, Tilburg University, 6 March 2018.

  • De ruysscher, D., “The Many Shades of Pre-Insolvency Proceedings, France, Belgium and the Netherlands (1807-c. 1910)”, PER faculty colloquium 6 April 2018, Tilburg University. 

  • De ruysscher, D., “Paradigms and trends in bankruptcy theory and history”, PhD seminar, École doctorale Université Lille-II, 5 June 2018. 

  • De ruysscher, D., “Insolvency, restructuring and fresh start: comparative legal history”, École doctorale Université Lille-II, 6 June 2018.

  • De ruysscher, D., “Legal reforms: insolvency law today and tomorrow”, École doctorale Université Lille-II, 7 June 2018.

  • De ruysscher, D., “Pre-Insolvency Proceedings (France, Belgium and the Netherlands, 1807-c 1910)”, Biennial ESCLH conference, Paris, 30 June 2018.

  • De ruysscher, D., “Pre-Insolvency Proceedings (France, Belgium and the Netherlands, 1807-c 1910)”, panel Corporate Insolvency, WEHC Boston 30 July 2018.

  • De ruysscher, D. and Leenknegt, G.-J., “Understanding the Information Society”, PER Erelunch, 6 September 2018.

  • De ruysscher, D., “Security Interests and Consistency in Commercial Law: the Example of Roman-Dutch Scholarship (17th c.)”, jour fixe Max-Planck Institut für europäische Rechtsgeschichte, 10 September 2018.

  • De ruysscher, D. en De Reu, P., “Averting Bankruptcy in Belgium 1884-1914. Who Made Use of Pre-Insolvency Compositions?”, workshop Mercantile and Corporate Bankruptcy and Pre-Insolvency in the Nineteenth and Twentieth Century: Law and Economy, Tilburg, 7 December 2018.

  • De ruysscher, D.,  “Legal rules in the merchants' words: maritime law in merchant manuals (16th c)”, workshop Transferring and Translating Concepts in Law and History, Brussels, 14 December 2018.

  • De ruysscher, D. en De Reu, P., “Averting Bankruptcy in Belgium 1884-1914. Who Made Use of Pre-Insolvency Compositions?”, CORE-meeting, Brussels, 14 January 2019.

  • De ruysscher, D., “Walls in Commerce and Academia”, inauguration lecture Young Academy of Belgium, 12 March 2019. 

  • De ruysscher, D. and In’t Veld, C., “Rembrandt’s Insolvency: the Artist as Legal Actor”, IVth workshop “Law in Amsterdam and the Dutch Republic (17th Century)”, Asser Institute, The Hague, 10 April 2019.

  • De ruysscher, D., opening address, XXVth Annual Forum of Young Legal Historians, Brussels, 5 June 2019.

  • De ruysscher, D., chair panel “The identity of Amsterdam and its mercantile citizens”, XXVth Annual Forum of Young Legal Historians, Brussels, 7 June 2019.

  • De ruysscher, D., chair panel “Citizens and their property: the insurance market”, XXVth Annual Forum of Young Legal Historians, Brussels, 7 June 2019.

  • De ruysscher, D., chair panel “Damaged identity: Reputation and Bankruptcy”, XXVth Annual Forum of Young Legal Historians, Brussels, 7 June 2019.

  • De ruysscher, D., “Commercial Law in Between Doctrine and Practice: the Case of Insolvency and Security Interests in Early-Modern Continental Europe”, Belgisch-Nederlandse Rechtshistorische Dagen, Luik, 14 June 2019.

  • De ruysscher, D., “ERC Starting Grant: Collateral Rights in Early Modern Europe”, Annual Meeting of the Young Academy of Europe, Barcelona (ESP), 23 October 2019.

  • De ruysscher, D., “Introduction”, workshop “Commerce, citizenship, and identity in legal history”, Brussels, 7 November 2019.  

  • De ruysscher, D., “Religion, Commerce, and the Formation of Nation States”, ELSA-lecture, 28 April 2020.

  • De ruysscher, D., “The Legal Definition of Merchant”, online lecture VUB, 28 January 2021.

  • De ruysscher, D., "Sovereignty, Urban Networks, and Cities of Commerce (15th-17th Centuries)", PHEDRA Colloquium Lille 25 November 2021.