Quinn Emanuel Urquhart & Sullivan, LLP
Client SatisfactionA ‘specialist disputes practice that is great for heavy-duty disputes’, Quinn Emanuel Urquhart & Sullivan, LLP’s London practice is known for handling high-value arbitrations in the mining, energy, telecoms, construction, infrastructure, and oil and gas sectors. International commercial and investment treaty arbitration specialist Stephen Jagusch KC is global chair of the firm’s international arbitration practice, while Anthony Sinclair is an expert in international commercial and investment treaty arbitrations. Epaminontas Triantafilou, whose wide-ranging experience includes roles as both arbitrator and counsel, has ‘the ability to explain complicated issues in a simple and concise manner’. Nick Marsh's practice frequently involves Eastern European and Middle Eastern parties involved in LCIA Arbitrations and related court proceedings, while Alex Gerbi's caseload encompasses commercial and investor-state arbitrations. The group further comprises co-chair of the firm’s energy disputes practice Ted Greeno, commercial dispute resolution and international arbitration practitioner Gregory Pantlin, and construction dispute specialists James Bremen, Mark Grasso and Elizabeth Wilson. Other names to note are Adam McWilliams and Marina Boterashvili, along with Hafsa Zayyan, Manthi Wickrama-sooriya, Jagdish Menezes and Peter Hillerstrom. International arbitration expert Melis Acuner joined from Cadwalader, Wickersham & Taft LLP in September 2023.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘A specialist disputes practice that is great for heavy-duty disputes. The partners are immensely experienced and easy to work with.’
‘Very proactive, professional, productive and quick to react. A team of lawyers driven by excellence. Deep bench of partners and associates. Extremely hard-working and dedicated. Superb case management skills and personable. What else can a client entangled in a complex arbitration matter wish for?’
‘Anthony Sinclair and Epaminontas Triantafilou are highly recommended. Down to earth, non-nonsense approach, cool-headed (which instills confidence in the client in the most challenging situations), excellent leadership skills, and strategic thinking - this is what sets them apart from the rest of the field.’
‘Epaminontas Triantafilou - excellent communication skills, with the ability to explain complicated issues in a simple and concise manner. Very knowledgable in his area of expertise. Highly recommended.’
‘Richard East is stunningly clever - he’s unbelievably commercially astute, and brilliant at both generating and winning big cases. He’s also an absolute delight to work with. Clients feel they are on a winning team. Truly outstanding - one of a kind.’
- ‘Justin Michaelson is terrific - super-smart, a great tactician, and on top of both the micro and macro aspects of cases. He’s the lawyer clients want for the most complex and largest pieces of litigation. He’s also fantastic to work with and is an enormously supportive team leader.’
‘Dominic Roughton - very easy to work with and a formidable intellect. Takes real care with his work and is alive to clients’ needs.’
‘Senior Associate Hafsa Zayyan is definitely partner material. Simply put, she is better than some of the partners in other law firms. By a mile. Clear (and very quick) thinker and very good communicator, excellent drafting skills and fast-developing advocate skills - she is the full package.’
Key clients
- DP World-Djibouti
- DP World-PDSA
- Qatar Foundation for Education, Science and Community Development
Work highlights
- Representing companies from the DP World group (DP) in several LCIA international arbitrations against the Republic of Djibouti (and associated state-controlled entities), resulting in damages of $650m-plus for DP.
- Representing DP World in an arbitration against Port de Djibouti, in relation to breaches of a joint venture agreement between the companies.
- Representing two private equity firms in an arbitration concerning the sale of a $750m business.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Peter Hillerstrom
Quinn Emanuel Urquhart & Sullivan, LLPManthi Wickrama-sooriya
Quinn Emanuel Urquhart & Sullivan, LLPHafsa Zayyan
Quinn Emanuel Urquhart & Sullivan, LLPPractice head
The lawyer(s) leading their teams.
Stephen Jagusch KC, Anthony Sinclair, Epaminontas Triantafilou