Firm Profile

Sygna Partners

Global Guide 2025

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Ranked lawyers

Sygna Partners

Sygna Partners

Contact number

01 70 39 39 39

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About

Provided by Sygna Partners
Global

Sygna Partners is a boutique law firm with a Department focused on public international law, advising and representing States, public entities, and private actors in complex advisory and contentious matters. The firm’s practice spans core areas of public international law, including territorial sovereignty, the delimitation of land and maritime boundaries, State and diplomatic immunities, State responsibility, and the interpretation and application of international treaties.

Sygna Partners has particular expertise in disputes involving the exploitation of natural resources, international navigation, and environmental protection. The firm acts in proceedings before international courts and tribunals and in other international dispute resolution mechanisms, including inter-State and investor-State disputes. It further represents clients in their interactions with relevant national authorities and international organizations.

Ranked Offices

Provided by Sygna Partners

France - Head office

Sygna Partners rankings

Global Guide 2025
Global Market Leaders
Public International Law
1 Ranked Lawyer
Lawyers
Jean-Marc Thouvenin
2
Jean-Marc Thouvenin
2
Band 2