José Tomás Lagos Manterola


José Tomás Lagos Manterola


“Tremendously strategic lawyer” (Legal 500, 2023 Edition.)

José Tomás has been a member of our firm since 2018, focusing his practice on arbitration, litigation and alternative dispute resolution means.

He has advised companies in various areas of arbitration and litigation proceedings, associated with mining, insurance, construction and energy conflicts, as well as civil and commercial conflicts. Furthermore, José Tomás also has experience providing legal counsel on complex labor disputes.

José Tomás serves as an arbitrator (AJ CAM) at the Arbitration and Mediation Center of the Santiago Chamber of Commerce (CAM Santiago).

Professional Training

LL.B, Pontificia Universidad Católica de Chile (2009).

Master of Laws (LL.M.) in Dispute Resolution, University of Columbia in the City of New York, School of Law (2016).

Professional Career

Cariola, Díez, Pérez – Cotapos (2010-2018).

Frías & Lagos (2018 to date).


Speaker at the VI National Meeting of Procedural Law: “El arbitraje como alternativa para la resolución de pequeñas causas”, VI Jornadas de Nacionales Derecho Procesal (October 2017).

Recognitions and memberships

“Harlan Fiske Stone Scholar”, University of Columbia in the City of New York.

Part of the roster of arbitrators of the Arbitration and Mediation Center of the Santiago Chamber of Commerce (AJ-CAM Santiago).

Colegio de Abogados de Chile A.G. (Chilean Bar Association).

Relevant experience

Representation of a biomass-based energy generation company in arbitration before the CAM Santiago, in relation to a conflict with a mining company. Amount: USD 14 million.

Representation of investment company in lawsuits against controllers. Amount: USD 30 Million.

Judicial representation of a foreign company in conflict with an insurance company, in relation to the seizure of a ship in a Chilean port. Amount: USD 11 million.

Representation of a company in emergency injunction filed to annul an international letter of credit. Amount: USD 9 million.

Representation of a foreign fruit importer in an international arbitration against a Chilean exporter. Amount: USD 1.5 million.

Representation of a company that supplies medical equipment in lawsuits filed against the Chilean Treasury. Amount: 200.000 UF.

Judicial representation of a municipality in a tort liability lawsuit related to a highly sensitive conflict with public connotation. Amount: 150.000 UF.

Representation of former executives in a civil lawsuit brought against a relevant Chilean sports association. Amount: 100.000 UF.

Representation of a Chilean exporter in an international dispute before a US receiver, carried out before foreign courts. Amount: USD 1 million.

Representation of a photovoltaic energy company in a dispute aimed at obtaining precautionary measures on electrical permits. Amount: USD 2 Million.

Legal representation of shareholders in a corporate conflict for the responsibility of the general manager and the administrators. Amount: 100.000 UF.

Legal representation in a conflict against an electricity generator for damage caused to an agricultural estate. Amount: 70.000 UF.

Representation of a construction company in two arbitration claims filed against one of the most relevant real estate holdings in Chile. Amount: 15.000 UF.

Representation of owners of lots acquired from a relevant real estate developer, before arbitral justice. Amount: 8.000 UF.


Spanish and English.