Public International Law
UK Guide 2025 : UK-wide
Band 1
Email address
[email protected]Contact number
+44 (0)20 3889 9800About
Provided by Fietta LLP
Fietta has a leading practice globally in public international law. Unlike most of its competitors, all of the firm’s lawyers are public international law specialists. The firm routinely advises sovereign clients on high profile and/or sensitive public international law questions. Fietta have recently advised clients on issues of, inter alia, State responsibility, Statehood and territorial sovereignty, sovereign immunity, treaty interpretation, law of the sea, international environmental law, foreign investment law, international human rights, international humanitarian law, State succession, international refugee law, as well as UN law and procedure.
Chambers Review
Fietta is a boutique firm specialising in investment arbitrations and PIL. It has expertise in advising on both sides of sophisticated investor-state disputes, especially those governed by investment treaties. The firm frequently handles matters concerning energy and natural resources, as well as those involving financial institutions. It offers considerable expertise in matters regarding state succession and sovereignty, the Law of the Sea and boundary delimitations.
Work Highlights
- Fietta represented Pakistan in arbitration proceedings against the Republic of India before the Court of Arbitration in a matter relating to the Indus Waters Treaty 1960.
Strengths
Provided by Chambers
"Fietta are reliable and provide strong legal advice."
"Fietta have a neat and sophisticated setup, they do top-quality work and they are willing to be practical."
"Fietta provides excellent specialist advice. The firm would be one of a handful of truly specialised public international law firms in the world and they attract lawyers with unique experiences."
"Fietta are reliable and provide strong legal advice."
"Fietta have a neat and sophisticated setup, they do top-quality work and they are willing to be practical."
"Fietta provides excellent specialist advice. The firm would be one of a handful of truly specialised public international law firms in the world and they attract lawyers with unique experiences."
Notable Practitioners
Stephen Fietta KC enjoys a sterling reputation for his expertise in PIL. He is regularly instructed on complex mandates concerning issues such as boundary delimitation and state sovereignty, and is praised for his specialist knowledge of the Law of the Sea. He also has a strong investor-state practice, handling a range of BIT claims.
"Stephen marries academic sophistication with technical and strategic understanding. His focus is on running complex litigation in a cost-effective manner and to the highest technical standards."
"Stephen is very good - reliable and professional."
"Stephen Fietta is very accurate in all responses. I trust him and he is polite."
Laura Rees-Evans's practice focuses on advising states and companies on a wide range of PIL issues. She is highly adept at handling international investment treaty arbitrations. She also brings previous experience at the UK's Foreign & Commonwealth Office to bear, particularly when advising on PIL issues arising out of Brexit.
"Laura is a phenomenal lawyer: well read and knowledgeable, calm and measured, methodical and able to cut the core of the argument. She has strong case management skills and is an astute strategist."
"Laura is a safe pair of hands and a great lawyer."
Ranked Lawyers at
Fietta LLP
UK-wide
Members
Provided by Fietta LLP
Abdullah Tariq
Ashique Rahman
Eileen Crowley
Gershon Hasin
Lea Christopher
Miglena Angelova
Oonagh Sands