Perenco v. Ecuador: Was there a valid arbitrator challenge under the ICSID Convention?
By Federico Campolieti* and Nicholas Lawn**
Introduction
In a recent decision related to the ICSID case Perenco Ecuador Limited v. The Republic of Ecuador [1], the Secretary-General of the Permanent Court of Arbitration at The Hague (“PCA”) has upheld a challenge against a leading arbitrator, Judge Charles N. Brower, on the basis that from the point of view of “a reasonable third person having knowledge of the relevant facts”, the comments made by the arbitrator in a published interview constituted circumstances giving rise to justifiable doubts as to the arbitrator’s impartiality or independence [2].
The PCA accepted jurisdiction to decide upon the challenge made by Ecuador, base [...]




