40+ Investor-State arbitration cases experience

We provide arbitrator, counsel, and advisory services in the field of international arbitration. As a boutique, efficient, low-overhead organization  we pride ourselves on delivering a personal service to both corporations and States.

Antuña & Partners was founded and is managed by Antolín Fernández Antuña, arbitrator, lawyer and economist, with a track-record of more than 20 years in Finance and Law. A former official of the Ministry of Economy and Public Finance (since 2004, currently State Treasury Inspector on leave), he is today one of the world’s most experienced lawyers in Investor-State arbitration.

Our team members have intervened in more than 40 Investor-State arbitrations (ICSID, SCC, UNCITRAL), most of these in the Renewables, Mining, and Energy sectors. We provide unparalleled expertise in the field.

Counsel in 40+ Investor-State Arbitrations (11% of World’s Total Cases)

ICSID Case: Investor in Thermosolar plants v. European State, Energy Charter Treaty, US$ 500+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements, Cross-Examination of Quantum Experts, Cross-Examination of Fact Witnesses, and Closing Statements

ICSID Case: Investor in Hydroelectric and PV Plants v. European State, Energy Charter Treaty, US$ 75+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements, Cross-Examination of Regulatory Experts, and Cross-Examination of Quantum Experts

PCA Case: Investor in Mining Corporation v. Sovereign State, Bilateral Investment Treaty Claim
ICSID Case: Investor in Hydroelectric, Wind and CSP Plants v. European State, Energy Charter Treaty, US$ 500+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements, Cross-Examination of Regulatory Experts, Cross-Examination of Quantum Experts and Closing Statements

ICSID Case: Investor in Photovoltaic Plants v. European State, Energy Charter Treaty, US$ 90+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements and Cross-Examination of Quantum Experts

ICSID Case: Investor in Wind and CSP Plants v. European State, Energy Charter Treaty, US$ 440+ Million Claim

HEARING: Merits

PERFORMANCE: Opening Statements, Cross-Examination of Quantum Experts, and Closing Statements

ICSID Case: Investor in Thermosolar Plants v. European State, Energy Charter Treaty, US$ 230+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements and Cross-Examination of Quantum Experts

ICSID Case: Investor in CCP and Tower Plants v. European State, Energy Charter Treaty, US$ 250+ Million Claim

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements, Cross-Examination of Quantum Experts, and Closing Statements

ICSID Case: investor in thermosolar plants v. European State, Energy Charter Treaty, US$ 290+ Million Claim

HEARING (1/2): Merits and Jurisdiction

PERFORMANCE: Opening, Cross-Examination of Regulatory Experts, Cross-Examination of Quantum Experts, and Closing Statements

HEARING (2/2): Annulment, First Session, Stay

PERFORMANCE: Preparation and Attendance

SCC Case: Investor in Photovoltaic Plants v. European State, Energy Charter Treaty, US$ 60+ MILLION

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements, Cross-Examination of Regulatory Experts, Cross-Examination of Quantum Experts, and Cross-Examination to Fact Witness

ICSID Case: Investor in Photovoltaic Plants v. European State, Energy Charter Treaty, US$ 80+ MILLION

HEARING: Merits and Jurisdiction

PERFORMANCE: Opening Statements and Cross-Examination of Quantum Experts

Other 30+ Investor-State Arbitration Cases

He has intervened as Counsel in other 30+ Investor-State arbitration cases (25+ ICSID cases in total) drafting pleadings, cross-examining experts, instructing experts, and presenting opening and closing statements in hearings.

Further information is available at ICSID (icsid.worldbank.org), UNCTAD (investmentpolicy.unctad.org) and ITALaw (italaw.com) websites.