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  1. Public and Private Law Enforcement, lecture at Kanazawa University, Japan, on 7 April 2026
  2. The Enforcement of Law in Private and Public Law. Lecture at Kyoto University, Japan, on 3 April 2026
  3. Basic Concepts of Gambling Law: Licensing Requirements for Virtual Slot Machine Games, lecture at the 11th German Gambling Law Conference, Frankfurt am Main, 18 September 2025
  4. Keynote address at the graduation ceremony for graduates of the Faculty of Law, University of Münster, 23 May 2025
  5. Regulatory enforcement in digital markets, lecture as part of the DAAD project ‘Consumer Protection and Fair Competition in the Platform Economy: Towards Regulatory Cooperation between the EU and Japan’, Ryūkoku University, Kyoto, Japan, 24 November 2023
  6. The Principle of Coherence in the Age of Online Gambling, lecture as part of the Bochum Talks on Gambling and Society at the Institute for Gambling and Society, Ruhr University Bochum, 20 September 2023
  7. The Energy Transition, lectures at Anhui University Law School, Hefei, China, 22 August 2023, and at Beijing Technology and Business University (BTBU), Beijing, China, 28 August 2023
  8. Institutional perspectives: Public vs private enforcement, lecture as part of the DFG-NRF workshop ‘Comparative Perspectives on Platform Regulation in the EU and Korea’ at Korea University Law School, Seoul, South Korea, 13 June 2023
  9. The energy transition in Germany and the People’s Republic of China: similarities, differences, synergies? A workshop report from the BMBF project ChiP-NI, lecture at the Institute for Energy Law, Friedrich Schiller University Jena, 1 June 2023
  10. Data access for smart products: On the relationship between the draft Data Act, the GDPR and the GeschGehG, lecture with Mary-Rose McGuire as part of the lecture series ‘Automated Systems’, Interdisciplinary Institute for Automated Systems e.V. (Rifas), Leibniz University Hannover, online, 24 January 2023
  11. Citizens’ initiatives and referendums following the amendment of the NKomVG on 1 November 2021, lecture at the 10th NSI Congress on Local Government Law, Hanover, 29 November 2022
  12. Minimum distances between amusement arcades, lecture at the 8th German Gambling Law Conference on the topic ‘1st year of the GlüStV 21 — Is everything clear?’, Frankfurt am Main, 21 September 2022
  13. The Basic Law and human dignity, opening lecture in a series of events on constitutional rights, Ministry of Justice of North Rhine-Westphalia (Justice Training Academy) and Society for Christian-Jewish Cooperation, Kuniberg Vocational College, Recklinghausen, 31 May 2022
  14. Legal Measures to Tackle the Pandemic in Germany,
    Lecture to the German-Taiwanese Lawyers’ Association (DTJV), online on 25 June 2021
  15. The 2020 Amendment to the Lower Saxony Higher Education Act (NHG): Status Groups and Teaching, lecture as part of a law symposium at the Georg-August University of Göttingen, online on 12 June 2020
  16. Areas for improvement in the regulation of online gambling: Coherence and channelling in the age of digitalisation, lecture as part of the Bochum Talks on Gambling and Society on the topic ‘The Future of Online Gambling’, Ruhr University Bochum, 21–22 November 2019
  17. Legal requirements for selection and evaluation in the tenure-track process,
    presentation as part of the conference “Evaluations in the German Academic System” organised by the Association for the Promotion of German and International Academic Law at the Berlin-Brandenburg Academy of Sciences and Humanities on 7–8 March 2019
  18. Mediated Regulation on Digital Platforms, workshop as part of the German-Korean research project ‘Innovation and Regulation in the Platform Economy’, Hankuk University of Foreign Studies, Seoul, South Korea, 11–12 October 2018
  19. Online gambling: ban or regulation?, presentation at the 4th German Gambling Law Conference on the topic “Online gambling, lotteries & slot machine gambling in the legal spotlight”, Frankfurt am Main, 21 September 2018
  20. Special legal frameworks for amusement arcades? On the judgement of the Federal Administrative Court of 16 December 2016 — BVerwG 8 C 6.15 — and the decision of the Federal Constitutional Court of 7 March 2017 — 1 BvR 1314/12 et al.,
    Second Bochum Symposium on Gambling Law, Ruhr University, 20 October 2017
  21. Online trade in medicines: economic supervision and data protection, closing conference ‘Impact of the liberalisation of online trade in Europe on the phenomenon of pharmaceutical crime (ALPhA)’, Osnabrück, 21–22 June 2016
  22. The Federal Constitutional Court’s MHH ruling, 11th German Higher Education Law Conference, Hanover, 12 May 2016
  23. Senate vs. President: the Federal Constitutional Court’s ruling on the Lower Saxony Higher Education Act of 24 June 2014 and its consequences,
    Osnabrück Academic Society, 29 April 2015
  24. Liability issues relating to the prohibition of commercial gambling under gambling law, Symposium organised by the Gambling Research Centre, University of Hohenheim, on the interim evaluation of the State Treaty on Gambling, 12–13 March 2015
  25. From Kunduz to breast implants and distressed properties to Lehman certificates — when is the state liable for its own mistakes or those of third parties?,
    Public lecture organised by the Pro Justiz Rheinland e.V. association in the Town Hall in Koblenz, 20 March 2014
  26. Inclusive administration. The temporary move from the private sector to the civil service, lecture to the Humanities class at the North Rhine-Westphalian Academy of Sciences and Art, Düsseldorf, 7 December 2011
  27. Alignment of National Public Law in Europe after Francovich, Academy of European Law (ERA), Trier, anniversary conference “State Liability 20 years from Francovich”, 2 December 2011
  28. On the economic analysis of public liability law, Research Day of the Young Scholars’ Programme at the North Rhine-Westphalian Academy of Sciences and Arts, Düsseldorf, 25 September 2009
  29. Criteria for decision-making in elections and referendums, German Institute for Direct Democracy (DISUD) at Dresden University of Technology, 13 September 2006
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