„Ius et Lex" organizes periodic tutorials and lectures, often in co-operation with the Polish Constitutional Tribunal and the Faculty of Law of Warsaw University (in a series of lectures called  after Leon Petrażycki).

So far we organized the following lectures:

Sir Peter North, Oxford University:

• Universities in Transition – An Oxford Perspective.
• The United Kingdom – An Era of Constitutional Changes.

Prof. David Lyons, Boston University:

• Moral Judgment and Legal Theory.

Prof. George P. Fletcher, Law School Columbia University in Nwe York:

• In Honour of „Ius et Lex". Some Thoughts on Speaking about Law.

William J. Bratton, former chief of NYPD:

• Turnaround. How America's Top Reversed The Crime Epidemic.

Prof. Andrew von Hirsch, Cambridge University:

• Dlaczego powinny istnieć sankcje karne? (we współpracy z Trybunałem Konstytucyjnym). 

Prof. Joseph Raz, Oxford University:

• Reasoning with Rules.

Sir Prof. Neil MacCormick, University of Edinburgh, MEP, 

• The New European Constitution - Legal and Philosophical Perspective (publikacja przy współpracy Trybunału Konstytucyjnego). 

Prof. Martin Krygier, New South Wales University in Sydney,

• Universal Values and Local Knowledge in the Rule of Law.

Prof. Leszek Balcerowicz, Prezes Narodowego Banku Polskiego:

• System prawa a rozwój.

Prof. Gunther Teubner:

• Societal Constitutionalism. Alternatives to State-centred Constitutional Theory.

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