Associate
yuliia.demianchuk@squirepb.com
Languages spoken
English | Ukrainian | Russian | French | German
Yuliia Demianchuk is an associate in our International Dispute Resolution Practice Group.
She specialises in investment treaty and international commercial arbitration, as well as in cross-border litigation. Admitted in Ukraine, Yuliia has over six years’ experience advising clients across the oil and gas, financial services, defence and aviation sectors in proceedings conducted under a range of applicable laws and arbitral rules, including UN Commission on International Trade Law (UNCITRAL), International Centre for Settlement of Investment Disputes (ICSID), International Chamber of Commerce (ICC) and International Commercial Arbitration Court (ICAC), as well as in mediation.
Yuliia has represented both states and investors in investor-state disputes and brings significant experience handling contentious matters involving intergovernmental organisations, state authorities and multinational corporations.
She is actively involved in coaching teams for leading investment arbitration moots, including the Frankfurt Investment Arbitration Moot Court and the Foreign Direct Investment International Arbitration Moot, and regularly sits as an arbitrator in moot court competitions.
Yuliia speaks English, Ukrainian, Russian, French and German.
Acting as counsel for a Central Asian country in a multibillion-dollar UNCITRAL arbitration against a consortium of oil majors, in connection with the alleged breach by the consortium of a production sharing agreement.
Acted as counsel to an international consortium of investors in a multibillion-dollar bilateral investment treaty claim arising from the expropriation of claimant’s assets.*
Advised claimants on the interpretation of a bilateral investment agreement’s travaux préparatoires in ICSID arbitration.*
Advised a major international hospitality group in an ICC arbitration arising from a large-scale construction contract dispute over contractual rights and pre-construction obligations.*
Advised a global insurer on aircraft loss-related claims arising from the war in Ukraine.*
Advised on Ukrainian law matters in the case considered by the Dutch Criminal Court on damages recovery claims of the relatives of victims of Malaysia Airlines Flight 17 shootdown by the unregistered armed group in July 2014.*
*Denotes experience from prior firms
Member, Ukrainian Arbitration Association
Member, Young International Council for Commercial Arbitration (ICCA)
Member, Young IFILA
Author, “Investment Arbitration in Response to Illegal Occupation: Lessons Learned, Yet Could They Be Applied?”, The American Review of International Arbitration Vol. 34 No. 2, April 2024.