Department profile
Marval O'Farrell Mairal

Energy & Natural Resources: Mining

Latin America Guide 2026 : Argentina


Marval O'Farrell Mairal

Rankings

About

Provided by Marval O'Farrell Mairal

Marval’s mining practice group advises clients on all aspects of mining projects and transactions, including option, farm-in, farm-out and purchase agreements; planning and structuring joint ventures; and the co-ordination of registration proceedings for mining rights. Our mining practice group is involved in the largest mining projects in Argentina and regularly assists clients with highly complex transactional and regulatory matters.

We are backed up by market-leading departments in practice areas that complement the mining law practice, such as corporate, finance, tax, environment, labor, regulatory and dispute resolution.

Our mining practice covers a wide range of matters including:

  • Acquisition, maintenance and transfer of exploration permits and mining concessions.
  • Negotiation of agreements granting access to natural resources concessions with landowners and title holders, including easements and easement compensations.
  • Negotiation of joint ventures and operating agreements, exploration, and construction contracts and provision of mining services
  • Project finance
  • Due diligence on mining concessions titles, either for acquisition or financing in foreign markets purposes
  • Labor matters
  • Industrial mining, promotion and investment protection regimes
  • Matters related to the regime established by the Mining Investment Act
  • Mining Tax Regime and foreign exchange regulations specifically related to mining activities
  • Environmental matters related to the exploration and mining development 

Chambers Review

Provided by Chambers

Energy & Natural Resources: Mining - Argentina

Band 1

Band 1


What the Team is Known For

Marval O'Farrell Mairal boasts a front-running practice group noted for its breadth of service and sophisticated clientele. It has an impressive client roster of majors and active junior mining companies with interests in gold, silver, lithium and copper. Its esteemed team of practitioners regularly acts on the sector's most important and high-yielding transactions, including the fusion and divestiture of mining assets and mergers of corporate entities. Other areas of expertise include the regulatory aspects of operations, advising on the maintenance of mining rights and industry-specific tax considerations.

Work Highlights

Provided by Chambers

  • Marval O'Farrell Mairal represented Pan American Silver and its local subsidiaries in executing the sale of the Joaquin Project and the Cerro Puntudo Project to Unico Silver.

Strengths

Provided by Chambers

  • Marval O'Farrell Mairal has vast experience and strong specialisation in mining transactions, delivering fast, efficient and precise support with a commitment to excellence.

    Energy & Natural Resources: Mining respondentLatin America
  • The Marval O'Farrell Mairal lawyers are recognised for their strategic thinking, creativity and expertise. They are committed to delivering solutions aligned with the client’s needs and timeframes.

    Energy & Natural Resources: Mining respondentLatin America

Notable Practitioners

Provided by Chambers

  • Band 1Leonardo Gabriel Rodríguez
    Band 1Leonardo Gabriel Rodríguez

    Leonardo Gabriel Rodríguez

    Esteemed practitioner Leonardo Rodríguez has earned an excellent reputation for his expert advice to clients on a range of mining issues, including asset transactions, exploration operations and contractual mandates.

    • Leonardo Rodríguez's responsiveness, legal precision and industry knowledge set him apart.

      Energy & Natural Resources: Mining respondentLatin America
    • Leonardo Rodríguez's leadership and experience in mining matters has been fundamental to the success of our transactions. He excels at structuring sophisticated agreements with a strategic mindset.

      Energy & Natural Resources: Mining respondentLatin America
  • Associates to watchAgustina Dellacasa
    Associates to watchAgustina Dellacasa

    Agustina Dellacasa

    Associate-to-watch Agustina Dellacasa regularly assists clients with transactional and regulatory matters in the mining industry in Argentina.

    • Agustina Dellacasa is a dedicated professional who provides clear, assertive solutions and maintains a sharp eye for detail.

      Energy & Natural Resources: Mining respondentLatin America

Ranked Individuals at Marval O'Farrell Mairal (2)

Argentina

Members

Provided by Marval O'Farrell Mairal

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