JUNIOR PROFILE

Kate Parlett

UK Bar 2026

Twenty Essex

Ranked in 2 practice areas

Public International Law

London (Bar)

9 years ranked

International Arbitration: Arbitrators

London (Bar)

1 year ranked

About

Provided by Twenty Essex

Practice Areas

Kate specialises in public international law and international arbitration. Her practice covers the full range of public international law including land and maritime boundaries, law of the sea, state responsibility, treaty obligations, immunities, the use of force, international humanitarian law, international trade law, human rights, environmental law and sanctions. She also represents states and investors in investment treaty arbitrations, including under the ICSID and UNCITRAL rules.

Career

Read a full summary of Kate's career on the Twenty Essex website

Chambers Review

Provided by Chambers

UK Bar

Public International Law - London (Bar)

Band 1

Individual Editorial

Highly regarded for investment treaty arbitrations and inter-state disputes, Kate Parlett has appeared as an advocate before the ICJ in multiple cases concerning a range of PIL issues, including arbitration over terrestrial and maritime delimitation. She also teaches international law at both Cambridge and Geneva.

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International Arbitration: Arbitrators - London (Bar)

Band 2

Individual Editorial

Kate Parlett who has experience in commercial and investor-state work, frequently sits as arbitrator in international disputes in ICC, LCIA and SIAC proceedings. Her expertise covers disputes in a range of sectors, including construction, energy and insurance.

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Strengths

Provided by Chambers

Kate is incredibly well versed in the field and a very methodical, thorough advocate.
Public International LawUK Bar
Kate has a really compelling presence and is someone the judges listen to.
Public International LawUK Bar
Kate is very responsive and quick-thinking.
Public International LawUK Bar
Kate is a great advocate and has a first-rate intellect.
Public International LawUK Bar
Kate Parlett clearly knows arbitration procedures. She has been a good and fair arbitrator.
International Arbitration: ArbitratorsUK Bar
Kate has very good knowledge of the law and has a great eye for detail.
International Arbitration: ArbitratorsUK Bar