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Who's Who Legal
Who's Who Legal

Global Leader

Arbitration 2021

Professional Biography

WWL Ranking: Recommended

Peers and clients say

"Mr Wiegand was diligent and showed a strong grasp of complex technical issues"
"A class act who is second to none in terms of advocacy"
"A very smart and experienced lawyer"


Nicolas Wiegand is Co-Head of the firm's dispute resolution group, Head of APAC Disputes and Managing Partner of the CMS Hong Kong office.

Nicolas is specialised in international commercial and investment arbitration. He has specialist expertise in corporate, post M&A, joint venture, pharma, energy, construction and infrastructure, sales and distribution as well as intellectual property disputes.

Nicolas has acted as counsel and arbitrator in over 130 large-scale disputes under all major institutional rules (mainly ICC, HKIAC, KCAB, DIAC and DIS, but also SIAC, LCIA, JCAA, ASA, VIAC, SCC and others) and in ad hoc disputes. He has also acted in numerous investment treaty disputes (ICSID, UNCITRAL) as well as commercial matters involving states and state-owned enterprises, in particular in Asia, the Middle East and in South East Europe.

Nicolas is on the panel of arbitrators of numerous international arbitration institutions in Asia, Europe and beyond. He regularly gives talks on arbitration-related matters at international conferences and conducts training courses for various institutions.

To date, Nicolas has sat as arbitrator in 32 commercial arbitrations (26 institutional, 6 ad hoc); he was appointed chairman on six occasions, sole arbitrator in fourteen arbitrations and co-arbitrator in twelve proceedings. He has also sat as Emergency Arbitrator in ICC proceedings. The seats of his cases include the world's most important arbitral venues, such as Hong Kong, Singapore, Seoul, Zurich, Frankfurt, Tokyo and Dubai. The laws applicable to the arbitrations Nicolas has sat in include, amongst others, Hong Kong, Korean, German, Japanese, Swiss, Singaporean, U.S., Mongolian and Sri Lankan law.

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