Among others, José Humberto has represented: a Peruvian investor in an Additional Facility proceeding of the International Center for Settlement of Investment Disputes (ICSID) (No. ARB(AF)/18/6) against the Bolivarian Republic of Venezuela; a Spanish investor in a proceeding under the rules of the United Nations Commission on International Trade Law (UNCITRAL) (No. PCA AA737) against the Bolivarian Republic of Venezuela; two investors from Luxembourg and Portugal in two proceedings under the International Center for Settlement of Investment Disputes (ICSID) rules (Nos. ARB/11/26 and ARB/12/23) against the Bolivarian Republic of Venezuela; two Spanish investors in a proceeding under the rules of the United Nations Commission on International Trade Law (UNCITRAL) (PCA Case No. 2013-3) against the Bolivarian Republic of Venezuela; a family of Spanish investors in two proceedings (Case No. ARB(AF)/16/1 and Case No. 2016-8) against the Bolivarian Republic of Venezuela; an investor from Barbados in a proceeding under the International Center for Settlement of Investment Disputes (ICSID) rules (No. ARB/11/31) against the Bolivarian Republic of Venezuela; a German company in a proceeding under the rules of the International Court of Arbitration of the International Chamber of Commerce (ICC) in a claim by a Venezuelan company; and a Spanish company in a proceeding under the ICC rules in a lawsuit filed by a Venezuelan company.