Marjorie Vieira, LL.M.

Marjorie Vieira is an associate in the Litigation and Arbitration practice in Mayer Brown’s Frankfurt office. She advises clients on complex international litigation and arbitration matters.

Before joining Mayer Brown, Marjorie worked on a variety of commercial disputes at a boutique law firm in Brazil, where she represented clients in litigation and arbitration proceedings and acted as secretary of the arbitral tribunal.

Supported:

• The representation of Klesch Group Holdings Limited & others in an investment treaty arbitration under the Energy Charter Treaty and the ICSID Additional Facility Rules against the European Union (ICSID Case No. ARB(AF)/23/1).
• The representation of Klesch Group Holdings Limited and Raffinerie Heide GmbH in an investment treaty arbitration under the Energy Charter Treaty and the ICSID Convention against the Federal Republic of Germany (ICSID Case No. ARB/23/49).
• The representation of Klesch Group Holdings Limited, Klesch Refining Denmark A/S and Kalundborg Refinery A/S in an investment treaty arbitration under the Energy Charter Treaty and the ICSID Convention against the Kingdom of Denmark (ICSID Case No. ARB/23/48).
• The representation of a Dutch-Turkish joint venture company against a public airport authority in a dispute before the Dutch courts.
• The representation of a Colombian manufacturer and seller of refractory materials in an ICC arbitration regarding agency.*
•  The representation of a Brazilian law firm in a CAMINAS arbitration regarding lawyer’s fees.*

Acted:

• As secretary of the tribunal in a CAMARB arbitration regarding environmental restoration.*
• As secretary of the tribunal in a CAMARB arbitration regarding franchise.*
• As secretary of the tribunal in a ARBITAC arbitration regarding non-competition clause.*

• Federal University of Minas Gerais
• Humboldt-Universität zu Berlin

• Brazil
• 英国法（イングランド及びウェールズ）事務弁護士（ソリシター）

• 英語
• German
• Portuguese

• DIS40
• Editor CISG-Brasil