The Institute of Law conducts research on the following provinces of law:
- Roman Law (influence of Roman law over canon law; Roman penal law; Roman law in Poland in the 19th C.; status of a physician in Roman law; Roman law in the writings and activities of the Church Fathers)
- American and Comparative Law (comparative approach to various aspects of the US and Polish constitutions)
- History of State and Law (history of Polish political system and law after 1918; history of political systems and laws of the USA, Great Britain and Ukraine; legal status of non-Catholic churches and other denominational unions in the Polish-Lithuanian Commonwealth)
- Philosophy of Law (European philosophy of law; Chinese and Japanese philosophy of law, idea of law; axiology of law; methodology of legal sciences; analytical philosophy of law; French and German philosophy of law)
- Civil Law (application of similar law in labour agreements; matrimonial regime; cooperative law; inheritance law; civil law in environmental protection; purchase of property by foreigners; agreements in banking and insurance system; bankruptcy law and recovery proceedings; real property trading; damage and indemnity)
- Civil Procedure (influence of penal proceedings over civil proceedings; general theory of a lawsuit; jurisdictional activity of courts in civil cases)
- Commercial Law (key issues of Polish commercial companies law; trade agreements and trade marks in the European Union law; elements of civil law in commercial law; construction and operation of corporations under private law with a special focus on commercial companies)
- Labour and Social Insurance Law (collective agreements under labour law; re-codification of labour law; protection of labour agreements in comparative analysis; legal costs in labour law actions)
- Constitutional Law (constitutional foundations of political system; foundations of the independence of the judiciary; democratic state of law and its sovereignty)
- Administrative Law (axiology of administrative law; decentralisation of public administration; press law; intellectual property law)
- Finance Law (public finances; tax law system; selected problems of Polish and international tax law; adjustment of Polish tax regulations to the European Union standards)
- International Public Law (problems of international environmental law; protection of human rights; diplomatic and consular law; international legal aspects of Polish co-operation with neighbouring states; sources of international law)
- Law on Religion (freedom of thought, conscience and religion; legal situation of churches and other denominational unions in Polish law including the aspects of comparative law; influence of European Community law on Polish ecclesiastical law)
- Criminal Law (protection of life and family and penal law; science of penalty; legal situation of minors; changes in penal law necessitated by the progress of biomedicine; penal law and combating terrorism; penal law of the People's Republic of Poland)
- Medical Law and Forensic Medicine (the rudiments of forensic medicine; selected problems of medical law; doctors liability in a Ukrainian law)
- Negotiations and Mediation (competences of a lawyer as a negotiator or mediator; areas of negotiation and mediation provided by law; conditions of negotiation and mediation process)
- Criminal Procedure and Forensic Science (Europeanization of Polish penal proceedings, in particular developing new mechanisms for co-operation of the judiciary and the police in penal actions in the European Union)
The Institute of Canon Law conducts research on the following provinces:
- history of common canon law;
- history of ecclesiastical institutions; history of the legislative activity of bishops and archbishops in their organizational units;
- property settlement of separated spouses; preparation to contracting marriage in the light of canon law;
- rules of procedure in ecclesiastical judicature; notion of canon lawsuit; arguments for the defects in matrimonial agreement; canon penal action; notion of marriage in the light of the Code of Canon Law and Family and Guardianship Code;
- science of state and law; concordat law; relationship between Church and State; Church's hierarchical system;
- Church's legislation on the institutes of consecrated life;
- institutions of canonisation property law; history of canonisation procedure; revised canonisation procedure; miracle as evidence in canonisation; religious persecutions and martyrs of the 20th C.;
- issues related to the law of Eastern Catholic Churches (in particular, hierarchy, matrimonial law and sources of law); own laws of other Christian denominations and non-Christian religions and their significance in ecumenical and interreligious dialogue;
- subjective right of the faithful to the Holy Sacraments; legal impediments in conferring and accepting sacraments; participation of the faithful in the sanctifying role of the Church;
- Camerlengo of the Holy Roman Church (office, history, roles); Pontifical Council for the Interpretation of Legislative Texts.
The Institute of Administration:
The Institute of Administration conducts research on the various issues of the science of administration. Particular attention is attached to the legal and organisational foundations of the operation of public administration, distribution of authority in public administration and the evolution and reform of public administration ensuing from economic, social and political transformation.
The institute's personnel also research into the boundaries of business activity and its permissible limitation as well as into the influence of the state and globalisation on economic processes. Another important focus of analyses is the benefits of Polish membership in the EU with regard to business activity. One of the mainstream research pursuits of the institute's staff is the evolution of public administration in Poland and worldwide. Existing public administration solutions and policies are studied against a historical and comparative backdrop. Last but not least, an important subject is also the adaptation of Polish environmental law to the EU law, the evolution of legal and financial instruments in environmental protection.
The institute's current research focuses are:
- Evolution of public administration structure
- Administrative and legal aspects of environmental resources management
- Gmina as a subject of public and private law
- Public administration reform
- Financing NGOs from public funds
- Legal aspects of natural resources management
- Organisation of local government
- Employment in public administration
- Mass-media policy
- Personal data protection law
- Access to public information
- Computerization of public administration
- Management of human resources
The Institute of European Studies conducts research on the following provinces:
- Problems of legal education in the European Union member states
- Industrial property law
- Multilevel constitutionalism
- Constitutional value of the right to peace
- Shaping of the war renunciation rule in international law
- Electoral law of the EU member states
- Free movement of goods in European Union
- Free movement of persons in European Union
- Customs Law