CURIA - Documents 1 of 11 https://curia.europa.eu/juris/document/document_print.jsf?docid=753... JUDGMENT OF THE COURT (Grand Chamber) 2 March 2010 (*) (Citizenship of the Union – Article 17 EC − Nationality of one Member State acquired by birth – Nationality of another Member State acquired by naturalisation – Loss of original nationality by reason of that naturalisation – Loss with retroactive effect of nationality acquired by naturalisation on account of deception practised in that acquisition – Statelessness leading to loss of the status of citizen of the Union) In Case C‑135/08, REFERENCE for a preliminary ruling under Article 234 EC from the Bundesverwaltungsgericht (Germany), made by decision of 18 February 2008, received at the Court on 3 April 2008, in the proceedings Janko Rottmann v Freistaat Bayern, THE COURT (Grand Chamber), composed of V. Skouris, President, K. Lenaerts, J.-C. Bonichot, E. Levits and P. Lindh, Presidents of Chambers, C.W.A. Timmermans, A. Rosas, E. Juhász, G. Arestis, A. Borg Barthet, M. Ilešič, A. Ó Caoimh (Rapporteur) and L. Bay Larsen, Judges, Advocate General: M. Poiares Maduro, Registrar: B. Fülöp, Administrator, having regard to the written procedure and further to the hearing on 21 April 2009, after considering the observations submitted on behalf of: – Dr Rottmann, by W. Meng, Professor, and H. Heinhold, Rechtsanwalt, – Freistaat Bayern, by J. Mehler and M. Niese, Oberlandesanwälte, – the German Government, by M. Lumma, N. Graf Vitzthum and B. Klein, acting as Agents, – the Belgian Government, by L. Van den Broeck, acting as Agent, – the Czech Government, by M. Smolek, acting as Agent, – the Estonian Government, by L. Uibo, acting as Agent, – the Greek Government, by K. Georgiadis, S. Alexandridou and G. Papagianni, acting as Agents, – the Latvian Government, by E. Eihmane, U. Dreimanis and K. Drēviņa, acting as Agents, – the Austrian Government, by E. Riedl and T. Fülöp, acting as Agents, assisted by H. Eberwein, expert, 26/05/2021, 10:03