Associate

Juan Ignacio Gonzalez Mayer

 

Overview

Juan Ignacio has wide experience in international arbitration both in commercial and investment treaty disputes. He has represented clients in arbitrations under the rules of the ICC, ICSID, ICSID (Additional Facility), the Business Arbitration and Mediation Centre (CEMA) and UNCITRAL. Before joining Dechamps Law, Juan Ignacio worked in the litigation and international arbitration department in the Buenos Aires office of a global law firm. In 2019 he interned in the international arbitration group of Freshfields Bruckhaus Deringer in New York.

Juan Ignacio was part of the University of Buenos Aires (UBA) team that won the XXIII Willem C. Vis International Commercial Arbitration Moot in 2016. He currently teaches International Commercial Arbitration and International Sales of Goods at the UBA and coaches the UBA team for the Vis Moot. He is also a member of the executive board of Argentina Young Arbitration Practitioners (AYAP).

Experience

  • Representing South32 SA Investments Limited in an ICSID arbitration against Colombia (ICSID Case No. ARB/20/9) under the Colombia-United Kingdom BIT. Claim related to measures taken by various administrative and judicial entities in Colombia that affected the claimant’s investments in a mining project. The amount in dispute is over US$300 million. The arbitration is ongoing.
  • Representing The Lopez-Goyne Family Trust and others in an ICSID arbitration against Nicaragua (ICSID Case No. ARB/17/44) under the DR-CAFTA. Claim related to measures taken by Nicaragua that affected the claimants’ rights under an oil concession agreement. The amount in dispute is confidential. The arbitration is ongoing.
  • Representing Latin American Regional Aviation Holding S. de R.L. in an ICSID arbitration against Uruguay (ICSID Case No. ARB/19/16) under the Panama-Uruguay BIT. Claim related to measures taken by Uruguay that affected the claimant’s investment in Pluna Líneas Aéreas Uruguayas S.A., a local airline company. The amount in dispute is over US$800 million. The arbitration is ongoing.
  • Representing Serafín García Armas and Karina García Gruber in an UNCITRAL arbitration against Venezuela (PCA Case No. 2013-3) under the Spain-Venezuela BIT. Claim related to measures taken by Venezuela that affected the claimants’ investments in the food distribution sector. The arbitral tribunal rendered an award of around US$360 million in favour of the investors.
  • Representing Luis García Armas in an ICSID arbitration against Venezuela (ICSID Case No. ARB(AF)/16/1) under the Spain-Venezuela BIT. Claim related to measures taken by Venezuela that affected the claimant’s investments in the food distribution sector. The amount in dispute is over US$40 million. The arbitration is ongoing.
  • Representing Dick Fernando Abanto Ishivata in an ICSID arbitration against Venezuela (ICSID Case No. ARB(AF)/18/6) under the Peru-Venezuela BIT. Claim related to measures taken by Venezuela that affected the claimant’s internet businesses. The amount in dispute is over US$180 million. The arbitration is ongoing.
  • Representing Fernando Fraiz Trapote in an UNCITRAL arbitration against Venezuela (PCA Case No. 2019-11) under the Spain-Venezuela BIT. Claim related to measures taken by Venezuela that affected the claimant’s investments in the telecommunications, advertising, real estate and education sectors. The amount in dispute is over US$800 million. The arbitration is ongoing.
  • Representing Diamante Trading Investments Ltd. and others in an UNCITRAL arbitration against Venezuela (PCA Case No. 2019-49) under the Barbados-Venezuela and Spain-Venezuela BITs. Claim related to measures taken by Venezuela that affected the claimants’ investments in the food distribution sector. The amount in dispute is over US$100 million. The arbitration is ongoing.
  • Representing two British Virgin Islands companies with investments in the mining sector in an ICC arbitration against a Latin American State. The claim is based on an investment protection agreement and concerns disputes related to several measures taken by the State which affected the claimants’ investments pursuant to the mining contracts underlying a mining project (local law and International Law principles). The amount in dispute exceeds US$300 million. The arbitration is ongoing.
  • Representation of an Argentine company in a CEMA arbitration against another Argentine company in its claim concerning violations of a natural gas supply contract. The arbitration is ongoing.
  • Representing EcuadorTLC in an UNCITRAL arbitration against Ecuador. Claim related to the early termination of two oil contracts (Ecuadorian law). The amount in dispute is confidential. The arbitration is ongoing.
  • Representing a Hong Kong company in eight parallel ICC arbitrations against a Latin American state-owned oil company concerning disputes related to the breach of several international sales contracts (Dutch law). The amount in dispute is approximately US$50 million. The arbitration is ongoing.
  • Representing a Panamanian company in two parallel ICC arbitrations against a Latin American state-owned oil company concerning disputes related to the breach of several international sales contracts (Dutch law). The amount in dispute is approximately US$35 million. The arbitration is ongoing.

Publications

  • Revision of ICSID Awards, JusMundi, September 2020, co-authored with Marcos Sassot.
  • Chapter Argentina, in The Baker McKenzie International Arbitration Yearbook 2017-2018, 11th Edition, 2018, co-authored with Luis Dates.