This document provides an agenda for the Seminar NiklasLuhmann: 20 Years of DasRecht der Gesellschaft, held from November 11-13, 2013. The seminar featured four sessions over two and a half days, with papers and presentations on Niklas Luhmann's sociological theory of law. Session topics included Luhmann's theory between sociology and legal theory, the autopoiesis and differentiation of law, society and its law, and law and structural coupling regarding constitutionalism and transconstitutionalism. Keynote speakers included scholars from Italy, Chile, Brazil, Mexico, and England.

1. Seminar NiklasLuhmann:
20 Years of DasRecht der Gesellschaft
Wednesday 11/09/2013
9:00 - Registration
10:00 - Opening
FlávioAlves Martins (Dean of FND/UFRJ)
Juliana NeuenschwanderMagalhães (Coordinatorof PPGD/UFRJ)
Marcelo Mello (President of ABRASD)
10:30 - Openening Conference: Niklas Luhmann and the Law’s Paradoxes
Chair: FernandaBusanello(FDUFPR)
Speaker: RaffaeleDeGiorgi (UNILE,Itália)
14:00 – 16:00 Papers presentations
16:00 – 18:00Session 1: Luhmann’s Sociological Theory of Law between
Sociology and Theory of Law
Chair:MarceloPereiradeMello(UFF e ABRASD)
Speaker: Germano Schwartz
Speaker:DaríoRodriguez(UniversidadeCatólica,Chile)
Thursday 12/09/2013
10:00 – 12:00 - Session 2:Autopoiesisand the Differentiation of Law
Chair:GuilhermeAzevedo
Speaker:ArturStamford(UFPE)
Speaker:JavierTorresNafarrate(UIA,México)
12:00 - 14:00 – Lunch brake
14:00 – 16:00 Papers presentations

2. 16:00 – Session 3: Society and its Law.
Chair: Juliana NeuenschwanderMagalhães
Speaker: Cristiano Paixão (UnB)
Speaker:GiancarloCorsi(Unimore,Itália)
Friday13/09/2013
10:00 – Workshop: The creation of a latinamerican network of studies on
System’s Theory.
12:00-16:00 – Lunch brake
16:00– 18:00 – Session 4: Law and structural coupling: constitucionalism e
transconstitucionalism
Chair:Francisco Duarte (UFPR)
Speaker:LeonelSeveroRocha(Unisinos)
Speaker:MarceloNeves(UnB,Brasília)
18:00 Closing Conference: Political Structure, Constitutions and Transnational
Law
Chair: Menelick de CarvalhoNetto (UnB)
Speaker ChristopherThornhill(University of Manchester, England)