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International Arbitration Forum

Michael Pryles

Leading arbitrator Public record 23 published cases

Michael Pryles

Arbitrator in 23 published cases (presiding or sole arbitrator in 5) before ICSID tribunals, in coal mining project disputes.

Australian ICSID Coal mining project

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Overview

In the published awards, Michael Pryles has been appointed by claimants 7 times and by respondents 0 times, and has presided or sat alone in 5 cases. Of the party appointments, 0 came from States and 7 from investors or companies.

Outcome for the appointing side, where the published decision is clear: claimant prevailed in 50% of the 6 claimant appointments. Mixed outcomes count as half.

Appointed most often by: Waguih Elie George Siag (1), Clorinda Vecchi (1), PNG Sustainable Development Program Ltd. (1), Ulysseas, Inc. (1), Ansung Housing Co., Ltd. (1).

23Published cases
5As chair or sole arbitrator
7Party appointments
0Dissents recorded

Track record

YearCaseRoleAppointed byInstitution / rulesSectorAward
2026 Woodhouse Investment Pte Ltd and West Cumbria Mining (Holdings) Limited v. United Kingdom Co-arbitrator — ICSID · Paris Coal mining project Read award →
2026 Nexo & Mirastar v. Bulgaria, ICSID Case No. ARB/24/2 Co-arbitrator — ICSID · Washington, D.C. — Read award →
2023 Hydro S.r.l. and others v. Republic of Albania (original tribunal; declined to act in revision proceedings) President — — — Read award →
2022 Mathias Kruck and others v. Kingdom of Spain Co-arbitrator — — — Read award →
2021 SL Mining Ltd. v. Sierra Leone Co-arbitrator — — — Read award →
2020 ESPF Beteiligungs GmbH, ESPF Nr. 2 Austria Beteiligungs GmbH, and InfraClass Energie 5 GmbH & Co. KG v. Italian Republic Co-arbitrator Claimant — — Read award →
2020 Watkins Holdings S.à r.l. and others v. Kingdom of Spain Co-arbitrator — — — Read award →
2020 Ioan Micula, Viorel Micula and others v. Romania [II] (Resigned 1 December 2017) Co-arbitrator Claimant — — Read award →
2018 Georg Gavrilovic and Gavrilovic d.o.o. v. Republic of Croatia President — — — Read award →
2017 Bear Creek Mining Corporation v. Republic of Peru Co-arbitrator — — — Read award →
2017 Gambrinus, Corp. v. Bolivarian Republic of Venezuela Committee member — — — Read award →
2017 Ansung Housing Co., Ltd. v. People's Republic of China Co-arbitrator Claimant — — Read award →
2015 Standard Chartered Bank v. The United Republic of Tanzania Co-arbitrator — — — Read award →
2015 PNG Sustainable Development Program Ltd. v. Independent State of Papua New Guinea Co-arbitrator Claimant — — Read award →
2015 Señor Tza Yap Shum v. The Republic of Peru (resigned 30 May 2013 for health reasons) Committee member Appointing authority — — Read award →
2013 Commerce Group Corp. and San Sebastian Gold Mines, Inc. v. The Republic of El Salvador Committee member — — — Read award →
2013 Saint Marys VCNA, LLC v. Government of Canada President Institution — — Read award →
2012 Ulysseas, Inc. v. The Republic of Ecuador Co-arbitrator Claimant — — Read award →
2012 Ulysseas, Inc. v. The Republic of Ecuador Co-arbitrator Claimant — — Read award →
2012 Cargill, Incorporated v. United Mexican States President — — — Read award →
2009 Invesmart v. Czech Republic President Co-arbitrators — — Read award →
2009 Waguih Elie George Siag and Clorinda Vecchi v. The Arab Republic of Egypt Co-arbitrator Claimant — — Read award →
2006 Western NIS Enterprise Fund v. Ukraine Co-arbitrator — — — Read award →

Expertise

The legal issues and sectors decided most often in the published awards. Each links to the cases in the database.

procedural order 2ICSID Arbitration Rules 2022 2document production 2IBA Rules on the Taking of Evidence 2third-party funding 2transparency 2bifurcation 1preliminary objections 1Redfern schedule 1adverse inferences 1Nexo 1Mirastar 1Bulgaria 1coal mining 1West Cumbria Mining 1United Kingdom–Singapore BIT 1confidentiality 1Freedom of Information Act 2000 1Environmental Information Regulations 2004 1artificial intelligence 1privilege log 1jurisdictional objections 1tribunal assistant 1

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Appointing counsel

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Compiled with AI from the published awards and decisions in the Forum’s database. It covers public cases only, counts each case once, and may contain matching errors; every row links to its source. Corrections: info@arbitration.org. All arbitrators →