... AllHumankind”, (1979) 1 Houston Journal of International Law 145.17I. Mgbeoji, “Rethinking the Role of International Law in Relation to the Appropriation of Traditional Knowledge of the Uses of Plants” ... (Director of the World Trade Institute – WTI – at the University in Berne, Sw itzerland) and Marco Ricolfi (Professor of Intellectual Property at the Law School of the University of Turin,Italy). Their ... Treaty(PCT) and the Substantive Patent Law Treaty (SPLT), on the one hand, and the relevant soft law, 38on the other hand, will fall within the scope of this analysis when interpreting these instruments...