Hess, B.: Les recours collectifs: perspectives de droits luxembourgeois et européen: introduction. Les recours collectifs : Perspectives européennes et luxembourgeoises [Conférence organisée à l’occasion du 30ème anniversaire des Annales de droit luxembourgeois], University of Luxembourg, Luxembourg (2021)

Hess, B.; Vallines, E.: The future of dispute resolution: the role of comparative law. Max Planck Law Annual Conference (2021), Max Planck Society, Berlin (2021)

Biazatti, B.: The Prohibition of Military Jurisdiction over Crimes against Humanity: Assessing a Growing Trend in Latin America. 1st Doctoral Seminar of the Siracusa International Institute for Criminal Justice and Human Rights, Siracusa, Italy (2021)

Gradoni, L.: Antonio Cassese's Backshop. Antonio Cassese and the Nature and Limits of Legal Innovation : Workshop, European University Institute, Fiesole (Florence) (2021)

Hess, B.: De l'obligation de vérité à une obligation de coopération? Nouveaux principes directeurs en procédure civile : Réunion Groupe Tarzia : Cycle 2021–2023, Paris (2021)

Hess, B.: Introduction. Book Launch: Study on the Enforcement of European Union Consumer Law for the Luxembourg Ministry for Consumer Protection , Luxembourg, MPI Luxembourg (2021)

Vallines, E.: The influence of Regulation 1896/2006 on Spanish law: convergence of order for payment procedures? European Influence over National Proceedings : 2nd Conference of the Inter-University Network for the Research and Teaching of Procedural Law in English, Online -University of Valencia, Spain (2021)

Hess, B.: Concluding remarks. Mixed Arbitral Tribunals, 1919–1930: An Experiment in the International Adjudication of Private Rights, Luxembourg, MPI Luxembourg (2021)

Buzzoni, M.: The EFFORTS Regulations in France. EFFORTS National Exchange Seminar: France and Luxembourg , Luxembourg (2021)

Hess, B.: An Overview of the Current Implementation Status: The EFFORTS Regulations in France and Luxembourg: Welcome and Introduction, Chair Part I. France and Luxembourg National Exchange Seminar: EFFORTS Project Enforcement of claims in civil and commercial matters within the EU, Luxembourg, MPI Luxembourg (2021)

Van Den Eeckhout, V.: Luxembourg. EFFORTS French and Luxembourgish Exchange Seminar, 24 September 2021, Online. Luxembourg, Max Planck Institute for International, European and Regulatory Procedural Law (2021)

Hess, B.: Frameworks for International Commercial Courts: Roundtable. Taking Stock: International Commercial Courts in Europe and Asia, British Institute of International and Comparative Law, University of Lausanne, Erasmus School of Law Rotterdam (2021)

Hess, B.: Reforming the Brussels Ibis Regulation in January 2022: taking up the next reform step. ERC Seminar Series: European Civil Justice in Transition: Past, Present & Future, European Research Council, Erasmus School of Law Rotterdam (2021)

Biazatti, B.: Simultaneous Application of International Humanitarian Law and International Human Rights Law in Armed Conflicts. Special lecture at the Reading Group on International Humanitarian Law. Faculty of Law, Federal University of Minas Gerais (UFMG), Brazil. , Belo Horizonte (2021)

Gradoni, L.: What Facebook’s oversight board is: societal constitutionalism, human rights and the face of global justice. University of Turin, Summer school, Turin (2021)

Hess, B.: Collective Redress in the European Union and Private International Law: Current Developments. Conférence sur les recours collectifs : les derniers développements en Europe et au Luxembourg, Luxembourg, Conférence du Jeune Barreau de Luxembourg, Max Planck Institute (2021)

Hess, B.; Pato, A.: Co-Defendants in cross-border mass claims. Collective Redress in the EU: The new Directive on Representative Actions for the Protection of Collective Interests of Consumers, Trier, Academy of European Law (ERA) (2021)

Biazatti, B.: International Law Research. Zoom Workshop on International Law Research, Belo Horizonte, Brazil (2021)

Hess, B.: ECJ’s judgment in case C-752/18 Deutsche Umwelthilfe e. V. gegen Freistaat Bayern: Presentation. 3rd Forum on Procedural Law of the Court of Justice of the EU, Luxembourg, MPI Luxembourg (2021)

Hess, B.: Jurisdiction, Recognition and Enforcement from a EU perspective: Roundtable. Dispute Resolution Post-Brexit: Europe and the UK, New York, WilmerHale and Vienna International Arbitral Centre (VIAC) (2021)