| Dg | Title | Specialty | Institution | Role | Defence date |
| D | The correlation between legal norms in the Roman-Germanic legal system | 12.00.01 | Free International Univer... | adviser | 28.03.2009 |
| D | Application of the Principles of Sociology of Law in the Development of the Cadastral System in the Republic of Moldova | 12.00.01 | Institute of History, Sta... | CSS member adviser Negru Andrei |
10.02.2012 |
| D | The legal liability of the state in the domestic law (historical, theoretical and practical aspects) | 12.00.01 | Free International Univer... | CSS president adviser Baltaga Dumitru |
06.07.2012 |
| D | Legal consciousness as a premise for the social-legal reform of the society of the Republic of Moldova | 12.00.01 | Institute of History, Sta... | adviser | 26.01.2013 |
| D | The compatibility of the European Convention on human rights with the Constitution of Republic of Moldova in the field of freedom of expression | 12.00.02 | Institute of History, Sta... | CSS president adviser Guceac Ion |
15.03.2013 |
| Dg | Title | Specialty | Institution | Role | Approval date |
| D | Non-discrimination in terms of fundamental legal principles of equality | 12.00.01 | Free International Univer... | adviser | 12.05.2011 |
| D | The strategy of reforming national legislation in the context of European integration | 12.00.01 | Free International Univer... | adviser | 24.02.2011 |
| D | Executive Law as an interdisciplinary Institute: historical and theoretical problems | 12.00.01 | adviser | 04.11.2010 | |
| DH | The European constitutional systems (The concepts and politico-legal practice) | 12.00.02 | consultant | 18.06.2009 | |
| D | The Legal Capacity in the Romanian private law, historical –legal, theoretical and legislative aspects | 12.00.01 | adviser | 26.02.2009 | |
| D | The Modernization of Romanian Law Institutions from the End of XVIII century to the First Romanian Constitution (1866) | 12.00.01 | adviser | 18.09.2008 | |
| D | Judicial Procedure: History and Modernity | 12.00.01 | adviser | 24.01.2008 | |
| D | Accomplishing Unity of Goal and Action of Authorities by Means of Administrative Control | 12.00.02 | Free International Univer... | adviser | 14.06.2007 |
| D | Place and role of the President of Moldova Republic in the system of public authorities and in assurance of equilibrium in society | 12.00.02 | adviser | 21.12.2006 | |
| D | Constitutional assurance of right of property: compared elements | 12.00.02 | adviser | 28.09.2006 | |
| D | Consensualism in the History of Roman Law | 12.00.01 | adviser | 24.02.2005 |