Josef is a DPhil candidate at the Faculty of Law. His research, supervised by Professor Pavlos Eleftheriadis, is  situated in the Philosophy of the European Union. More specifically, his doctoral project examines the 'Authority of the European Union', combining European constitutional law and political theory in order to contribute to a better understanding of the nature of the EU. Josef currently teaches EU law at College level and co-convenes the EU Law Discussion Group.


Josef graduated from the University of Passau (First Legal State Examination, 2015). He holds a Magister Juris from the University of Oxford (MJur, 2016), where he was awarded the Herbert Hart Prize for Jurisprudence and Political Theory. Before coming back to Oxford, he took the German Bar Exam (Second Legal State Examination, Regional Court Regensburg) and clerked at the European Court of Justice (AG Kokott) as well as at the Supreme Court of Israel (President Hayut).


Recent additions

Chapter (1)

J Weinzierl, 'Preliminary rulings from German courts in State aid law: emerging trends' in Pier Luigi Parcu, Giorgio Monti, Marco Botta (ed), EU State aid law - Emerging trends at the national and EU level (Edward Elgar 2020)

Case Note (4)

J Weinzierl, 'Case Note on BGH, Judgment of 9th February 2017 – I ZR 91/15 – Airport Lübeck' (2019) EUI Working Paper RSCAS 125 [Case Note]
J Weinzierl, 'Der EuGH erklärt erstmalig nationales Recht für ungültig– Anmerkung zum Urteil des EuGH v. 26.2.2019, Rs. C-202/18 (Rimšēvičs)' (2019) EuR 434 [Case Note]
C Harler and J Weinzierl, 'The ECJ’s CDC-Judgment on Jurisdiction in Cartel Damages Cases: Repercussions for International Arbitration' (2015) EWS 121 [Case Note]

Internet Publication (2)

Journal Article (2)

Hans-Georg Kamann and J Weinzierl, 'Erledigung und Fortsetzungsfeststellung im Europäischen Prozessrecht' (2016) EuR 565
Lukas Koehler and J Weinzierl, 'The Divide over European Financial Regulation: An Economic and Legal Analysis of British Fears of Being Dominated by the Eurozone' (2016) I Cambridge Law Review 41

Research Interests

European Union Law (specifically EU Constitutional Law, Monetary Union and State Aid Law); Political Philosophy; Jurisprudence; Federalism

Research projects