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J.M. (Jonas) Bornemann, Dr

Assistant Professor of European Law
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Research interests

Dr. Jonas Bornemann works as an Assistant Professor of European Law at the University of Groningen. He is a member of the Meijers Committee, serves as a member of the editorial board of the European Law Blog and is the research lead of the European Integration Research Group at the Rudolf Agricola School for Sustainable Development. Jonas is a founding member of the Young Network TransEurope, coordinated by the Berlin-Brandenburg Academy of Sciences and Humanities. In 2024-2025, he has been awarded a re:constitution fellowship, funded by Stiftung Mercator. His work focuses on European constitutional law and migration law, and he comments and publishes widely on these topics. Prior to joining the University of Groningen, Jonas has been a postdoctoral and doctoral researcher at Université de Lausanne and the University of Konstanz, as well as a postdoctoral fellow of the nccr – on the move and a visiting researcher at Humboldt-University Berlin. Jonas works and publishes widely on developments in European constitutional and migration law.

Publications

Competing Visions and Constitutional Limits of Schengen Reform: Securitization, Gradual Supranationalization and the Undoing of Schengen as an Identity-Creating Project

Of autocratic incrementalism and inadvertant inspirations: the interaction between the European Court of Justice and national lawmakers in the rule of law crisis in Poland

The Hidden Virtues of Discretionary Power in European Migration Law

Authority transfer and governmental legal contestation before the court of justice of the EU

Authority Transfer and Politicised Member State Litigation before the Court of Justice of the EU

Efficiency, but at What Cost. The Commission’s Proposal for a Common European System for Returns

EU Visa policy & USA: Cracks in Transatlantic Friendship?

Grenzkontrollen als politisches Signal – und das Dilemma ihrer Einlösung

Grenzschutzpolitik

Press/media

Expert waarschuwt: zó kunnen Duitse grenscontroles ‘einde vrij verkeer’ in Europa betekenen

Kontrollen der Binnengrenzen?

'Half-dead' Schengen limps on amid increased migration anxiety

Can Europe's Schengen agreement survive all the increased border checks? | DW News

Taking the Pulse: Is Schengen Still Fit for Purpose?

Asyl-Urteil ist eine Klatsche für Dobrindt, doch Gericht zeigt Grenz-Ausweg auf

Grenzkontrollen als politisches Signal – und das Dilemma ihrer Einlösung

Safety first? Hoe de focus op veiligheid de rechten van migranten ondermijnt

Wat blijft er over van Schengen, nu ook Frankrijk grenscontroles instelt?