Chagos Marine Protected Area Arbitration (Mauritius v. United Kingdom)

Pursuant to Article 287 and Annex VII, Article 1 of the United Nations Convention on the Law of the Sea, on 20 December 2010 the Republic of Mauritius instituted arbitral proceedings concerning the establishment by the United Kingdom of a Marine Protected Area around the Chagos Archipelago. The Permanent Court of Arbitration acted as Registry in this arbitration.

Case information

Name(s) of Claimant(s)	The Republic of Mauritius (State)
Name(s) of Respondent(s)	The United Kingdom of Great Britain and Northern Ireland (State)
Names of Parties	-
Case number	2011-03
Administering institution	Permanent Court of Arbitration (PCA)
Case status	Concluded
Type of case	Inter-state arbitration
Subject matter or economic sector	- Other -
Rules used in arbitral proceedings	- Other -
Treaty or contract under which proceedings were commenced	[Multilateral treaty] UNCLOS
Language of Proceeding	-
Seat of Arbitration (by Country)
Arbitrator(s)	Professor Ivan Shearer (President) Judge Sir Christopher Greenwood CMG QC Judge Albert Hoffmann Judge James Kateka Judge Rüdiger Wolfrum
Representatives of the Claimant(s)	Agent Mr. Dheerendra Kumar Dabee SC Solicitor-General of Mauritius Deputy Agent Ms. Aruna Devi Narain Parliamentary Counsel Counsel Professor James Crawford AC, SC, FBA University of Cambridge Professor Philippe Sands QC Ms. Alison Macdonald Matrix Chambers Mr. Paul S. Reichler Mr. Andrew Loewenstein Foley Hoag LLP
Representatives of the Respondent(s)	Agent Ms. Alice Lacourt Legal Counsellor Foreign and Commonwealth Office Replacing Mr. Christopher A. Whomersley CMG Deputy Legal Adviser Foreign and Commonwealth Office Deputy Agent Ms. Nicola Smith Assistant Legal Adviser Foreign and Commonwealth Office Replacing Ms. Margaret Purdasy Assistant Legal Adviser Foreign and Commonwealth Office Counsel The Rt. Hon. Dominic Grieve QC, MP Her Majesty's Attorney General Professor Alan Boyle University of Edingurgh and Essex Court Chambers Ms. Penelope Nevill 20 Essex Street Chambers Ms. Amy Sander Essex Court Chambers Sir Michael Wood KCMG 20 Essex Street Chambers Mr. Samuel Wordsworth QC Essex Court Chambers
Representatives of the Parties
Number of Arbitrators in case	5
Date of commencement of proceeding	20 December 2010
Date of issue of final award	18 March 2015
Length of Proceedings	More than 4 years
Additional notes	-

Attachments

Notice of Arbitration

download | 20 December 2010 (1KB)

Written submission

Memorial of Mauritius

download | 01 August 2012 (2KB)

Memorial of Mauritius: Annexes 1-80

download | 01 August 2012 (filesize missing)

Memorial of Mauritius: Annexes 81-171

download | 01 August 2012 (filesize missing)

Memorial of Mauritius: Charts

download | 01 August 2012 (filesize missing)

Preliminary Objections of the United Kingdom

download | 31 October 2012 (780KB)

Preliminary Objections of the United Kingdom: Annexes 1-22

download | 31 October 2012 (filesize missing)

Written Observations of Mauritius on the Question of Bifurcation

download | 21 November 2012 (4KB)

UK Reply on Bifurcation

download | 21 December 2012 (37KB)

UK Reply on Bifurcation - Exhibits

download | 21 December 2012 (196KB)

Counter-Memorial of the United Kingdom

download | 15 July 2013 (6KB)

Counter-Memorial of the United Kingdom: Annexes 1-27