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Kate Parlett
Barristers profile
UK Bar 2026
Barristers profile | UK Bar 2026: Public International Law, International Arbitration: Arbitrators
Kate Parlett
Ranked in 2 Practice Areas
1

Band 1

Public International Law

London (Bar)

9 Years Ranked

2

Band 2

International Arbitration: Arbitrators

London (Bar)

1 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Kate Parlett

UK Bar

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)

1
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.

Learn more about this team❖View ranking table

International Arbitration: Arbitrators - London (Bar)

2
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 Law respondent
UK Bar

Kate has a really compelling presence and is someone the judges listen to.

Public International Law respondent
UK Bar

Kate is very responsive and quick-thinking.

Public International Law respondent
UK Bar

Kate is a great advocate and has a first-rate intellect.

Public International Law respondent
UK Bar

Kate Parlett clearly knows arbitration procedures. She has been a good and fair arbitrator.

International Arbitration: Arbitrators respondent
UK Bar

Kate has very good knowledge of the law and has a great eye for detail.

International Arbitration: Arbitrators respondent
UK Bar

Kate Parlett is excellent and thorough. There is no need to worry as she reads and checks everything, which is reassuring.

International Arbitration: Arbitrators respondent
UK Bar

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