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Nicolas Wiegand

Nicolas Wiegand

CMS Hasche Sigle, Hong Kong LLP57/F, One Island EastTaikoo Place, Quarry BayHong KongHong Kong

Global Leader

Arbitration 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Nicolas Wiegand wins acclaims from peers across the globe, who say he is "an extremely clever practitioner with strong experience in the field".


Nicolas Wiegand acts as counsel and arbitrator throughout Asia Pacific, Europe, the United States and the Middle East. He has handled well over 100 international commercial arbitrations under all major arbitration rules (mainly ICC, HKIAC, UNCITRAL, SIAC, KCAB and DIS, but also AAA, LCIA, DIAC, ASA,

VIAC, SCC and others) as well as numerous investment treaty claims (ICSID, UNCITRAL).

His most recent practice has centred on disputes relating to joint venture agreements, construction/major projects, IP and IT, M&A transactions, sales, distribution and service agreements, and gas/energy supply agreements. He additionally specialises in investor-state disputes. The focus of his work is on Asia and Asia-related disputes; he has advised on numerous high-profile cases at the main arbitration hubs for companies from Asia Pacific, Europe, the United States and beyond.

At CMS, Nicolas leads a team of disputes lawyers specialised in international arbitration, with a strong team focus on corporate, trade and infrastructure disputes as well as investor-state arbitration.

Nicolas has previously worked in Australia, Switzerland and the US. He heads up the CMS office in Hong Kong but also spends significant time in the CMS Singapore and European offices.

Nicolas regularly sits as arbitrator at the main international arbitration hubs. He is on the panel of arbitrators of the most important arbitral institutions worldwide. He regularly gives talks on arbitration-related matters at international conferences and conducts training courses for the HKIAC and other institutions.

Nicolas has to date sat as arbitrator in 27 commercial arbitrations (21 institutional, six ad hoc); he was appointed chairman on four occasions, sole arbitrator in 14 arbitrations and co-arbitrator in nine proceedings.

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