Wilson Antoon

Partner

London, United Kingdom

Wilson Antoon is an international arbitration and cross-border litigation partner who acts in large scale disputes arising out of foreign investment, commercial contracts, M&A, joint ventures, financial services, trade practices, regulatory investigations, and fraud.

He has supported multinationals, financial institutions, governments, SOEs, and high net worth individuals across a range of sectors including energy (renewables and oil & gas), metals and mining, banking & financial services, construction, manufacturing, pharma, and telecommunications and technology.  

Wilson has a particular focus on commercial and investor-state disputes. He has represented clients as advisor and advocate in complex, high value disputes under a range of arbitration rules, including LCIA, ICSID, ICC, and UNCITRAL, and in coordinating cross-border recognition and enforcement proceedings across jurisdictions.   

Wilson has been recognised for his expertise by The Legal 500 United Kingdom as a ‘Next Generation Partner’ in International Arbitration and Commercial Litigation and a recommended lawyer in Public International Law. Euromoney’s Expert Guides has recognised him as a ‘Rising Star’ in Commercial Arbitration. He is described by clients as a “very sharp” partner who “gets straight to the point and focusses on what is important” (The Legal 500 UK). 

Wilson is qualified as a lawyer in both England and Australia.  

Experience

Some of Wilson's representative matters includes acting for:

  • Naftogaz, Ukraine's national oil and gas company, in an LCIA shareholder dispute with several entities controlled by Ukrainian oligarch Igor Kolomoisky relating to control over Ukrnafta, Ukraine's largest oil producer.
  • People's Republic of China in an ICSID arbitration brought by a Japanese investor under the China-Japan BIT relating to the alleged expropriation of a real estate development.
  • A Russian oligarch and his corporate group in a US $1 billion claim in the BVI courts against another Russian oligarch arising out of a joint venture agreement in the energy sector. 
  • A number of clients in connection with regulatory investigations in the areas of securities law, market abuse, directors' duties, share trades, and lending practices.   
  • A holding company of energy assets in two ICC arbitrations relating to loan agreements worth US $200 million
  • The Kyrgyz Republic in the defence of seven separate UNCITRAL investment arbitrations with a combined worth of over US $1.3 billion brought by investors in the banking, mining, telecoms, hydropower and metallurgical sectors under bilateral and multilateral investment treaties and domestic investment laws. 
  • The Kyrgyz Republic in successfully setting aside on public policy grounds an UNCITRAL award that awarded sole shareholder in Manas Bank US $16.5 million for the alleged expropriation of the bank.
  • Ukraine in achieving a complete dismissal of ICSID arbitration proceedings in relation to a US $137 million claim made under the UK-Ukraine BIT by a British property investor, Krederi Ltd, alleging expropriation of a real estate project in Ukraine's capital Kyiv.
  • Ukraine in the defence of US $270 million arbitration proceedings brought by LSE-listed oil and gas company JKX under the UK-Ukraine BIT, Netherlands-Ukraine BIT and Energy Charter Treaty, which alleged unlawful imposition of tax measures.
  • A major investment bank in the defence of multiple court proceedings relating to investments in shares, options trading and associated margin loans.
  • A number of clients in the defence of several high-profile class actions in the Australian courts in the areas of securities law, construction, product liability, trade practices, and professional negligence.   

Professional Memberships

  • London Court of International Arbitration (LCIA) European Users' Council
  • LCIA Young International Arbitration Group (YIAG)
  • International Chamber of Commerce (ICC) Young Arbitrators Forum (YAF)
  • Young ICCA 
  • Financial Services Lawyers Association (FSLA)

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