Marval O’Farrell Mairal
Client SatisfactionMarval O’Farrell Mairal is best known for its transactional prowess in the mining sector and is a regular presence in the largest and most complex Argentina-related deals in the industry. The team is also recognised for the strength and depth of its regulatory work, where it assists clients with tax and provincial royalty scheme issues. Other active areas for the group include mining rights, project financing, environmental law, litigation and stakeholder management. The practice is led by the highly-rated Leonardo Rodríguez, who has dedicated his career to mining matters and amassed more than 20 years' direct industry experience. He is backed by a well-resourced cluster of associate talent, including Ignacio Alonso, a specialist in mining-related disputes; and the well-reviewed Agustina Dellacasa, who focuses on mining M&A and project development. The team saw the departure of Andrés Villarreal, a mining M&A lawyer, in April 2023, but can still call on the immense experience of mining stalwart Luis Lucero, a veteran practitioner who has retired from the partnership but continues to provide support in an of counsel role.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The team covers the market with a professionalism and engagement that makes the service relationship very fluid and effective’
‘Leonardo Rodríguez's team is characterised by warmth, technical professionalism and a comprehensive approach to solving problems.’
'Excellent analysis and advise provided by a responsive client-focused team'
‘Agustina Dellacasa is always willing to provide appropriate and quick responses.’
‘Marval's mining law practice is exceptional. There are not many mining experts who have the experience of the Marval team and the additional support of their vast corporate practice.’
‘Partner Leonardo Rodriguez is an expert in mining law and bring vast experience to his clients. He has more than 25 years of experience and countless transactions on his record. A valuable adviser.’
‘‘The team is overall very strong and knowledgeable in advising on energy and natural resources matters, in particular mining in Argentina.’
‘Leonardo Rodriguez is very accommodative and committed to assisting clients to achieve their commercial goals.’
Key clients
- Glencore
- AngloGold Ashanti
- Newmont Corporation
- Pan American Silver
- Hochschild Mining Corporation
- Tsingshan Holding Group
- Oroplata
- Yamana Gold
- Cerro Vanguardia
- Nova Royalty Corp
- Pan American Energy
- Stellantis
- Minera Hochschild Argentina
- Minera Agua Rica
- Minera Alumbrera
Work highlights
- Advised Yamana Gold on its acquisition by Pan American Silver.
- Advised Glencore and Newmont Corporation on the integration between the Bajo de la Alumbrera copper-gold-molybdenum operation and the Agua Rica project, both located in the Province of Catamarca.
- Advised Glencore International in a transaction where Glencore acquired a majority stake in the MARA Project from Pan American Silver.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
The lawyer(s) leading their teams.
Leonardo Rodríguez