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Hamburg Summer Talk Series

18:00 o'clock

The Institute for International Affairs of the University of Hamburg Faculty of Law, which was founded in 1923 and publishes the journal “Archiv des Völkerrechts” since 1948, hosts a newly initiated online talk series.

The talks and discussions address current and pressing issues in international law and international relations. Academics and practitioners, as well as graduate, post-graduate and doctoral students from different disciplines, are invited to register and to join the discussion!


10 May 2021, 6 pm CEST

Up in the Air: The European Court of Human Right’s Interpretations of Extraterritorial Jurisdiction in Context

Kalika Mehta, Dr. Anne Dienelt & Prof. Dr. Stefan Oeter

On 16 Fe­bru­ary, the Eu­ro­pean Court of Human Rights ruled in favor of Ger­many in the case Hanan v. Ger­many con­cerning a 2009 NATO Kun­duz air­strike re­sulting in the de­aths of ci­vi­lians in Af­ghanistan. Once again, the Court dealt with ques­tions of ex­tra­territorial ju­risdiction. Did it cla­ri­fy or mo­di­fy its con­cept of ex­tra­terroriality? In what si­tua­tions and under which cir­cumstances have other Human Rights sys­tems af­firmed ex­traterritorial ju­risdiction? What are the im­pli­cations of the judgment for the Ger­man con­text?

Please register here.


31 May 2021, 6 pm CEST

Climate Litigation – Law-Making by Nationals Courts?

Prof. Dr. Andreas L. Paulus & Prof. Dr. Marta Torre-Schaub & Dr. Laura Burgers

On 24 March 2021, the German Federal Constitutional Court (Bundesverfassungsgericht) issued an order in the case of the German Federal Climate Change Act. It held that the provisions of the Act governing national climate targets and the annual emission amounts allowed until 2030 were incompatible with fundamental rights in so far as they lack sufficient specifications for further emission reductions from 2031 onwards. Earlier in February 2021, the Paris Administrative Court had ruled that France had fallen short of meeting the targets of the Paris Agreement and was found guilty of failing to meet its commitments to combat global warming. After the prominent Urgenda case from 2019, the The Hague Court of First Instance will render its judgment in a case against the energy company Shell on 26 May 2021, which could have implications for future cases and the role of companies in meeting climate targets. Have these national developments anything in common? Are there any international legal implications of these national cases?

Further information and registration here.


14 June 2021, 6 pm CEST

Analyzing Military Necessity

Dr. Nobuo Hayashi & Dr. Dieter Fleck & Prof. Dr. Stefan Oeter

The prin­ciple of mi­li­ta­ry ne­ces­si­ty is, like the other core prin­ciples of in­ter­na­tio­nal hu­ma­ni­ta­ri­an law (IHL) ­such as dis­tinc­tion or pro­por­tio­na­li­ty, an es­sen­ti­al com­po­nent of IHL. It al­lows for mea­su­res that are ne­cessary to ac­complish a la­w­ful mi­li­tary pur­pose. In ge­ne­ral, the only la­w­ful mi­li­tary pur­po­se is to wea­ken the other bel­li­gerent’s mi­litary ca­pa­city, which­ can run coun­ter to hu­ma­nitarian ex­i­gencies. Past con­flicts (e.g. the use of le­t­hal force by Is­ra­el or ­the de­struc­tion of cul­tu­ral pro­per­ty in Mali­) il­lustrate the chal­len­ges re­gar­ding mi­li­ta­ry ne­ces­si­ty in prac­tice. How can mi­li­ta­ry com­man­ders and legal ad­vi­sors in the field apply mi­li­ta­ry ne­ces­si­ty? How can it be bet­ter ope­ra­tio­na­li­zed?

Registration here.



28 June 2021, 6 pm CEST

UN Diplomacy Reloaded?

Blanca Montejo & Maximilian Waßmuth

Universität Hamburg, Institut für Internationale Angelegenheiten
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