Dr. Sebastián Mantilla Blanco, LL.M., Research Assistant at the chair of Prof. Dr. DDr. h.c. Herdegen, University of Bonn, Germany

• Introduction,- Part I: Formation of the Standard: The Long Path to Customary International Law,- ‘Full Protection and Security’ in Historical Perspective: The Challenge of the Sources.- The Origins of ‘Full Protection and Security’. From Medieval Reprisals to the Age of Enlightenment.- A Battle of Gunboats and Books: ‘Full Protection and Security’ and the Minimum Standard of Treatment in Historical Perspective.- The Calm After The Storm: ‘Full Protection and Security’ as an Element of the Minimum Standard of Treatment.- Part II: Scope of the Customary Standard.- Scope of Application of the Customary Standard: Conceptual Framework.- Subjective Scope of Application of the Customary Standard of ‘Full Protection and Security’.- Objective Scope of Application: Protected Interests and Covered Risks.- Objective Scope of Application: Irrelevance of the Distinction between Physical and Nonphysical Harm.- The Temporal Scope of Application of the Customary Standard of ‘Full Protection and Security’.- Part III: Content of the Standard.- The Characterization of the Obligation to Provide ‘Full Protection and Security’.- Due Diligence in the International Law of Aliens: Conceptual Framework.- Due Diligence in the Context of ‘Full Protection and Security’ Claims.- Part IV. Full Protection and Security Clauses in International Investment Agreements.- Protection and Security Clauses in Investment Treaties: A Typology.- ‘Full Protection and Security’ Clauses and Other Treaty Provisions.- Conclusion: The Night Watchman State.- Bibliography.