Bacilio Amorrortu (USA) v. The Republic of Peru

The PCA provides administrative support in this arbitration, which is being conducted under the UNCITRAL Arbitration Rules (with new Article 1, paragraph 4, as adopted in 2013)

Case information

Name(s) of Claimant(s)
Name(s) of Respondent(s) ()
Names of Parties -
Case number 2020-11
Administering institution Permanent Court of Arbitration (PCA)
Case status Pending
Type of case Investment arbitration
Subject matter or economic sector Oil and gas
Rules used in arbitral proceedings UNCITRAL Arbitration Rules 2013
Treaty or contract under which proceedings were commenced -
Language of Proceeding -
Seat of Arbitration (by Country) France

Judge Ian Binnie, CC, QC (Presiding Arbitrator)

Prof. Bernard Hanotiau

Mr. Toby Landau QC

Representatives of the Claimant(s)

Francisco A. Rodriguez

Luis A. Perez

Rebeca E. Mosquera

Andrew Dominguez

Alejandro E. Chevalier

Akerman LLP

Representatives of the Respondent(s)

Ricardo Ampuero Llerena

Mónica Guerrero Acevedo

Shane Martinez del Aguila

Ministerio de Economía y Finanzas



Mark Clodfelter

Kenneth Juan Figueroa

Ofilio J. Mayorga

Foley Hoag LLP

Representatives of the Parties
Number of Arbitrators in case 3
Date of commencement of proceeding 13 February 2020
Date of issue of final award -
Length of Proceedings Pending
Additional notes

This arbitration is being conducted in accordance with the UNCITRAL Rules on Transparency in Treaty-Based Investor-State Arbitration, as adopted by UNCITRAL on July 11, 2013, in accordance with Article 1(2)(a) thereof, with the PCA assuming the role of the “repository” foreseen under these Rules with respect to this arbitration.


Written submission
Notice of Arbitration
Response to Notice of Arbitration
Statement of Claim (Memorial)
Submission on Preliminary Objections
Answer to Respondent’s Submission on Preliminary Objections
Respondent’s Reply to Claimant’s Answer on Peru’s Submission on Preliminary Objections
Claimant’s Rejoinder on the Submission pursuant to Article 10.20.4 of the Treaty and Submission on Waiver Objection under Article 23 of UNCITRAL Arbitration Rules
Submission of the United States of America
Claimant’s Post-Hearing Brief
Respondent’s Post-Hearing Brief
Procedural Documents
Procedural Order No. 1
Terms of Appointment
Procedural Order No. 2
Procedural Order No. 3
Procedural Calendar (updated as of May 13, 2021)
Procedural Order No. 4
Floor Video Recording - Hearing on Preliminary Objections
English Video Recording - Hearing on Preliminary Objections
Spanish Video Recording - Hearing on Preliminary Objections
Spanish Transcripts - Hearing on Preliminary Objections
English Transcripts - Hearing on Preliminary Objections