Javier Iscar de Hoyos

Work Highlights

REPRESENTATIVE EXPERIENCE

- Co-arbitrator in a proceeding conducted in English and Spanish under the ICC Rules and related to the dispute between a Brazilian company and a Uruguayan company for the alleged breach of an EPC Contract in a large energy related project. Seat Uruguay.

- Co-arbitrator in a proceeding conducted in English and Spanish under the Rules of the Madrid International Arbitration Center in a post M&A dispute between two Spanish companies. Seat Madrid.

- Co-arbitrator in a proceeding conducted under the Rules of the Madrid International Arbitration Center in a post M&A dispute between two Spanish companies for purchase of hotels. Seat Madrid.

- President of an arbitral tribunal seated in Mexico in a proceeding conducted in English and Spanish under the ICC Rules in a post M&A dispute between two Mexican companies.

- Co-arbitrator in a proceeding conducted under the Rules of the Arbitration Court of the Madrid Chamber of Commerce in an unfair competition law dispute between two Spanish companies engaged in the private hire vehicles sector.

- Co-arbitrator of a tribunal seated in Mexico in a proceeding conducted under the ICC Rules in an post M&A dispute between two Mexican companies. Applicable Law: Mexican.

- Co-arbitrator in a proceeding conducted in English under the ICC Rules in a post M&A dispute between two Spanish companies in the energy sector. Seat Madrid.

- Co-arbitrator of a tribunal seated in Miami in a proceeding conducted under the ICC Rules in a construction dispute between two Mexican companies. Seat: Miami

- Co-arbitrator of a tribunal seated in Quito in a proceeding conducted under the Rules of the Arbitration Center of the Quito Chamber of Commerce in a dispute related to a concession contract concluded between two Ecuadorian companies.

- Co-arbitrator in a proceeding conducted in English and Spanish under the ICC Rules in a post M&A dispute between two Spanish companies involved in a real estate project. Seat Madrid.

- Co-arbitrator in a proceeding conducted in English and Spanish under the Madrid International Arbitration Center (CIAM) in a post M&A dispute between a Spanish company and a Luxembourgian company involved in a joint venture project for the purchase of a hotel. Seat Madrid.

- Co-arbitrator in a proceeding conducted under the Rules of the Madrid International Arbitration Center in a post M&A dispute between two Spanish companies. Seat Madrid.

- Sole Arbitrator in a proceeding conducted in English with seat in Paris and under the ICC Rules in commercial dispute between two Spanish companies.

- Co-arbitrator in a proceeding conducted under the Rules of the Madrid International Arbitration Center in a post M&A dispute in relation to the shares SPA concluded between two Spanish companies. Seat Madrid.

- Co-arbitrator of a tribunal seated in Lima in a proceeding conducted under the Rules of the Arbitration and Conflict Resolution Center of the University of Peru in a dispute related to a private-public partnership between two Peruvian companies.

- Coarbitratorin a proceeding conducted under the Rules of the Barcelona Arbitration Tribunal (TAB) in a post M&A dispute related to a Shares Purchase Agreement. Seat Barcelona.

- Sole Arbitrator in a proceeding seated in Santiago de Chile and under the Rules of the Santiago Arbitration and Mediation Centre in a dispute derived from the SPA concluded between two Chilean companies. Chilean Law was applicable to the merits.

- Co-arbitrator in a proceeding conducted in English and Spanish under the Rules of the Arbitration Court of the Madrid Chamber of Commerce in a dispute between a German provider and a Spanish company. Seat Madrid.

- Co-arbitrator in a proceeding conducted under the Rules of the Arbitration Court of the Madrid Chamber of Commerce in a dispute related to breach a shareholders’ agreement between two Spanish companies engaged in the photovoltaic energy sector. Seat Madrid

- Co-arbitrator in a proceeding conducted in English and Spanish under the ICC Rules in a dispute related to distribution contract between a Swedish company and a Spanish company. Seat Madrid

- Co-arbitrator in a proceeding conducted under the Rules of the Madrid International Arbitration Center in a dispute between a Spanish joint venture and a Bolivarian company for the construction of a cement plant in Bolivia. Seat in Madrid.

- Co-arbitrator in a proceeding conducted under the ICC Rules in a dispute between two Spanish companies related to the design and execution of a turn-key construction contract. Seat Madrid.

- Co-arbitrator in a proceeding conducted in English under the ICC Rules in a post M&A dispute involving Chinese, Spanish and Peruvian parties. Seat Paris.

Practice Areas

Javier is the founding and managing partner of Iscar Arbitraje. His practice focuses exclusively on his role as an international and independent arbitrator.

Career

Javier has served as an arbitrator in over 30 international disputes under the rules of the major arbitral institutions such as the Arbitration Court of the International Chamber of Commerce (ICC), the Madrid International Arbitration Center - Ibero American Arbitration Center (CIAM – CIAR), the Arbitration Court of the Madrid Chamber of Commerce, the Arbitration Court of the Madrid Bar Association, the Barcelona Arbitration Tribunal (TAB), the Arbitration and Conflict Resolution Center of the University of Peru, or the Santiago Arbitration and Mediation Centre, among others.

Javier’s practice includes arbitrating disputes in the field of banking and financial law in cases related to contractual breaches, debt restructurings, conflicts over financial derivatives, and disputes regarding bank guarantees.

Javier has also acted in post M&A disputes in proceedings concerning price adjustment clauses and breaches of sale purchase agreements.

In the field of insurance law, his experience includes disputes over policy coverage, large-scale claims, and contractual liability.

Within the engineering and construction sector, Javier has been appointed arbitrator in disputes related to large infrastructure projects, including claims regarding the execution of EPC contracts, construction delays, cost overruns, and construction defects.

His deep knowledge of international contracts was gained over years of experience arbitrating complex disputes in energy, transportation, and industrial development projects.

Javier is frequently ranked as recommended arbitrator by international directories and speaks regularly in seminars and conferences.

Javier is a distinguished member of the international arbitration community. He actively contributes to the advancement and promotion of arbitration worldwide, particularly through his extensive collaboration with Latin American arbitral institutions. He is notably recognized for organizing the acclaimed annual event, 'The Arbitration Open'.

Professional Memberships

BAR, COURTS and MEMBERSHIPS

2024 - present Vice-President of Madrid International Arbitration Center - Ibero American Arbitration Center (CIAM – CIAR)

2021 – present Registered arbitrator of the Arbitration and Mediation Centre of the Quito Chamber of Commerce

2020 – present President of Ibero American Arbitration Center (CIAR)

2020 - present Registered arbitrator of the Arbitration Centre of the Lima Chamber of Commerce

2020 - present Registered arbitrator of the International Centre for Arbitration, Dispute Resolution & Dispute Boards (from 11/03/2020)

2019 – present Foreign Corresponding Academician of the Colombian Academy of Jurisprudence

2019 – present Jurist Emeritus of the Illustrious College of Jurists of Colombia

2018 – present Distinguished Visitor of the Arbitration Centre of the Lima Bar Association

2013 - present President of Mediation and Conflict Resolution Center (Centro de Mediación y Solución de Conflictos - CEMED)

2013 – 2017 Third representative on the Governing Board of the Madrid Bar Association

2007 - present President of the Hispano-Moroccan Court of Arbitration (Corte Hispano Marroquí de Arbitraje)

2006 - present Member of Spanish Arbitration Club (Club Español de Arbitraje)

1994 Admitted to the practice of law at the Madrid Bar Association

Publications

PUBLICATIONS AND SPEAKING ENGAGEMENTS

2022 – present Lecturer on the module “Legal Dispute Resolution Mechanisms” as part of the ICC Spain Executive Program- me in International Commercial Arbitration

2021 – present Member of the Advisory Board of the quarterly magazine “LA LEY: MEDIACIÓN Y ARBITRAJE”

2021 Speaker at the Conference on “The use of discovery in International Commercial Arbitration”, organized by the University of Miami School of Law

2020 – present Co-author for the International Comparative Legal Guides periodical (ICLG)

2016 Speaker at the Conference on “Spanish and European International Arbitration: Institutional and Practitioner Perspectives, Harvard International Arbitration Law Students Association

2016 Guest speaker at Georgetown International Arbitration Society

Languages Spoken

Full professional proficiency in Spanish and English as working languages, demonstrated in numerous bilingual proceedings. A solid knowledge of French, enabling effective communication in the multilingual environment of international arbitration.

Expert in these Jurisdictions

Cross-border civil and commercial disputes involving Spanish and Latin American jurisdictions.

Industry Sector Expertise

Broad expertise in complex disputes across key industries including Construction, Energy, Finance, Insurance, and M&A.