Tanoira Cassagne Abogados advises clients on a range of dispute resolution matters, from the preliminary stages of litigation to alternative dispute resolution measures. The practice is experienced in handling cases before the national and international courts and arbitration tribunals, and has experience in a variety of civil and commercial conflicts. The team has acted for clients in class actions, complex litigation, domestic and international arbitration, corporate and shareholder conflicts, and bankruptcy and insolvency proceedings. At the helm of the practice, Santiago J. Monti specialises in national and cross-border arbitration and class actions claims in the consumer sector; Rafael J. Algorta is well versed in restructuring cases; and Juan Martín de la Vega, who was promoted to partner in March 2025, has experience in complex litigation, class actions, and arbitration.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Santiago Monti and Juan Martin de la Vega are two lawyers who take client service to the next level. They are technically impeccable and personally very warm and act as business partners.'
- 'The firm has a dedicated capital markets practice that works closely with the dispute resolution practice. This gives them a unique understanding that's hard to find among litigation lawyers.'
- 'Juan Martín de la Vega shows very strong commitment aligned with the client's interests.'
- 'Both partners and associates adapt very well to the dynamics of our company. I would like to highlight Juan de la Vega, among others.'
Key clients
- BASF
- Mercado Libre
- Bridgestone
- RE/MAX
- Samsung Electronics Argentina
- Unilever
- Aerolíneas Argentinas
- Frávega
- Balanz Capital
- Nestlé
- Bayer/Monsanto
- COTO
Work highlights
Represented RE/MAX in a complaint filed against the Public Registry of Commerce of the City of Buenos Aires.
Represented Mercado Libre in a class action lawsuit filed by consumer association ACYMA regarding the failure to reimburse interest when refunding undue fees or charges to Mercado Pago’s users.
Represented Compañía General de Combustibles S.A. in two arbitration claims before the Arbitration Court of the Buenos Aires Stock Exchange against Energía Argentina S.A. for the payment of debts of ARS$ 400m plus interest and ARS$800m plus interest, respectively.
Practice head
Santiago J. Monti; Rafael J. Algorta; Juan Martin de la Vega