Marc Weller


Marc Weller is Professor of International Law and International Constitutional Studies in the University of Cambridge. He is the former Director of the Lauterpacht Centre for International Law and the Principal Editor of the Oxford Handbook on the Use of Force in International Law.

Recently Published

An International Use of Force in Salisbury?

In the afternoon of Sunday, 4 March, Mr Sergei Skripal and his daughter Yulia were found slumped on a park bench in Salisbury. Mr Skripal is a former Russian agent convicted of espionage for the West, exchanged in a spy swap and brought to live in the UK. He, his daughter and a number of individuals who…

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Secession and Self-determination in Western Europe: The Case of Catalonia

This presentation is based in part on the Legal Opinion by an International Commission of Legal Experts addressing the question of Catalonia: The Will of the People and Statehood. The Commission was composed of Professors Marc Weller (UK ), John Dugard (South Africa), Richard Falk (USA) and Ana Stanic (Slovenia). Although the Opinion was commissioned by Esquerra…

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Forcible Humanitarian Action in International Law- part II

Part II of a Two-Part Post Interpreting Article 2 (4) of the UN Charter According to the concept of representation noted in Part I, forcible humanitarian action is not intervention or a prima facie unlawful use of force, given the actual or implied consent of the true sovereign. However, even if forcible…

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