Research areas

• Theoretical issues of international public law;
• Sources of international law;
• Unilateral acts of states;
• Enforcement of the decisions of international courts in a national legal order;
• International legal personality;
• International recognition;
• International responsibility of states;
• International criminal justice;
• Self-determination and secession in international law;
• Acquisition and loss of state territory;
• Succession of states;
• International organisations;
• Implicit powers of international organisations;
• International protection of human rights;
• Regional human rights regimes, particularly the European Court of Human Rights;
• Protection of cultural heritage in international law;
• Law of armed conflicts and international humanitarian law;
• International commercial law and international investment arbitration;
• Global governance;
• The use of force in international law;
• Status of armed non-state actors.

Research projects currently underway

• The legal status of unrecognised subjects in international law – funded by the National Science Centre, project leader: Prof. Władysław Czapliński, participants: Ph.D Agata Kleczkowska, Prof. Dr Przemysław Saganek and Szymon Zaręba (2015–2019).
• The legal of unrecognised subjects in contemporary international law – co-funded by the Polish Academy of Sciences and the National Chengchi University in Taipei, project leader: Prof. Władysław Czapliński, participants: Prof. Dr Przemysław Saganek, Ph.D Agata Kleczkowska and Szymon Zaręba (2017–2018).
• The regulation of electronic nicotine delivery systems (e-cigarettes): national and international legal challenges – funded by the National Science Centre, project leader: Prof. Dr Łukasz Gruszczyński (2017–2019).
• Participation in global cultural heritage governance – within the International Law Association, project leader: Ph.D Andrzej Jakubowski, as chair of the respective ILA Committee (2017–2022).
• Cultural heritage and global change – funded by the ERA-NET Heritage Plus programme, project leader: Ph.D Andrzej Jakubowski (2015–2018).
• Liability for crimes committed by armed non-state actors: A domestic and international perspective – funded by the National Science Centre, project leader: Ph.D Agata Kleczkowska (2017–2019).
• Customary international law on the use of force – funded by the Polish Ministry of Science and Higher Education, project leader: Ph.D Agata Kleczkowska (2017–2018).
• Implied recognition of a state by an international organisation – funded by the Polish Ministry of Science and Higher Education, project leader: Szymon Zaręba (2017–2018).