Wilson Antoon

Wilson Antoon

Wilson Antoon is an international arbitration and cross-border litigation partner with experience acting in large scale disputes arising out of foreign investment, commercial contracts, M&A, joint ventures, financial services, trade practices, regulatory investigations and fraud. He supports multinationals, financial institutions, governments and high net worth individuals across a range of sectors including banking & financial services, energy & resources, manufacturing and telecoms.  

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 UNCITRAL, ICC, LCIA and ICSID, and coordinating cross-border recognition and enforcement proceedings across jurisdictions.  Wilson has been recognised by Legal 500 UK as a recommended individual for International Arbitration, Public International Law and Commercial Litigation.  

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


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 businessman and his corporate group in a US $1 billion claim in the BVI courts against Viktor Vekselberg and the Renova Group arising out of a joint venture agreement in the energy sector. 

  • 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, product liability, trade practices and professional negligence.   

  • A number of clients in connection with regulatory investigations in the areas of securities law, market abuse, directors’ duties, share trades and lending practices.  

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)


Legal insights

As the coronavirus continues to roam around the world, we provide practical insights on the related force majeure and frustration laws.

20 February 2020

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