Wilson Antoon


London, United Kingdom

TEL +44 20 7550 1530

MOB +44 77 1192 4941

EMAIL [email protected]

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)