Overview

Kay-Jannes Wegner is a partner in Mayer Brown's Singapore office and is a member of Mayer Brown's International Arbitration practice. He has extensive experience in representing clients in cross-border disputes arising out of a wide range of sectors including construction, power projects, telecommunications, pharmaceuticals, and joint ventures. 

Kay-Jannes is both German and English qualified lawyer and appointed to the KCAB and the SHIAC panel of international arbitrators as well as HKIAC list of Arbitrators. 

Kay-Jannes is recognised as a leading individual in various legal directories including The Legal 500 and Chambers and Partners

Prior to joining Mayer Brown, Kay-Jannes practiced international arbitration at leading international firms in London, South Korea and Singapore.

Spoken Languages

  • German
  • English

Experience

  • Represented a Korean client in arbitration proceedings arising out of an agreement to supply major equipment for a large power plant project in the Middle East. Seat: ICC Arbitration, Seoul.
  • Represented a Singaporean company in arbitration proceedings against a Korean company in relation to a contract for construction of a large warehouse in South Korea based on the FIDIC Red Book. Seat: ICC Arbitration, Seoul.
  • Represented a Korean company in relation to a dispute relating to the construction of a nuclear power plant in the Middle East. 
  • Represented a German multinational company in arbitration proceedings against a Korean counterparty in relation to a contract for supply of major equipment for the construction of a power plant in South Korea. Seat: ICC Arbitration, Seoul.
  • Represented a German multinational company in arbitration proceedings against a Korean company in relation to a contract for supply of major equipment for the construction of a series of vessels. Seat: ICC Arbitration, Seoul. 
  • Represented a French multinational company in arbitration proceedings arising out of a dispute with Korean parties in relation to a representation and warranty claim as well as environmental claims arising out of the purchase of a Korean and Vietnamese company. Seat: ICDR Arbitration, New York.
  • Represented a Chinese company and its German parent company in arbitration proceedings against a Korean company arising out of a contract for the supply of major equipment for the construction of a series of vessels. Seat: KCAB Arbitration, Seoul. 
  • Represented a French automotive supplier in arbitration proceedings arising out of a joint venture to supply automotive parts to a Korean auto manufacturer. Seat: ICC Arbitration, Tokyo.
  • Represented a US-based multinational company in arbitration proceedings relating to its Korean joint venture partner. Seat: ICC Arbitration, Seoul. 
  • Represented a Korean company in arbitration proceedings against a Dutch company arising out of a license agreement in relation to heat exchangers. Seat: NAI Arbitration, Amsterdam.
     

Education

Second State Law Examination (bar exam), Duesseldorf

First State Law Examination, Cologne

University of Cologne

University of Durham

University of Würzburg

Admissions

  • Germany
  • England and Wales