International Arbitration: Investor-State Arbitration

Quinn Emanuel Urquhart & Sullivan has a highly respected international arbitration practice with expertise in handling disputes arising in the construction, infrastructure, oil and gas, mining and telecommunications sectors. The firm represents clients in arbitrations conducted under the rules of leading institutions, including the ICC, the LCIA and UNCITRAL. It is also highly regarded for investment treaty work, with expertise in numerous BITs and the Energy Charter Treaty. The team often handles disputes arising out of joint ventures and breach of contract claims.

"From the onset the team were able to understand the intricacies of our case and advise us in an efficient and effective manner."

"The professionals at Quinn possess a wealth of experience and expertise, enabling them to easily navigate complex legal matters. Their exceptional attention to detail makes them well equipped to handle even the most sophisticated legal challenges with ease."

"Quinn Emanuel has a very strong team. They always think outside of the box and choose the right strategy."

Quinn Emanuel Urquhart & Sullivan represented Ukraine in an UNCITRAL arbitration initiated by a Russian investor over the state’s alleged unlawful takeover of his investment in a confectionery business. 

Anthony Sinclair is at the forefront of investor-state arbitrations, handling numerous BIT claims. He also brings extensive knowledge of international investment law to his practice. "He has a strong investor-state practice." "He's a very effective advocate."

Stephen Jagusch KC is global chair of the firm's international arbitration practice. He is recognised in the market for his handling of complex arbitrations, regularly acting as counsel and arbitrator in high-value energy and construction disputes. He is also highlighted for his handling of significant treaty claims. "Stephen is really strong and has a very prominent practice." "Stephen is brilliant, clients love him."

Epaminontas Triantafilou is a popular choice for investment treaty arbitrations, particularly those arising in the energy sector. He is also vastly experienced in handling LCIA proceedings. "He is very knowledgeable and is a strong advocate." "He's an excellent litigator with a strong commercial awareness."

Dominic Roughton has a diverse arbitration practice, frequently acting in disputes arising in the energy and natural resources sector. He undertakes significant work across Asia and Eastern Europe. "He's a strong practitioner."