Marval O’Farrell Mairal is known for its work on sensitive, high-stakes environmental matters and is also sought out for support on environmental regulation, due diligence and the environmental aspects of M&A. The practice is particularly strong in environmental litigation and is currently involved in some of Argentina’s largest environmental claims pending before the Argentine Supreme Court, as well as local and federal courts throughout the country. Criminal cases related to environmental matters are also covered. Well-known oil and gas lawyer Francisco Macías is the practice head and has worked on high-profile environmental claims, particularly in the energy and natural resources sector, for more than two decades. Senior associates Gabriel Fortuna and Jimena Montoya have active environmental law practices and provide further support.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Marval O'Farrel Mairal's environment team stands out for the quality of its work, comprehensive analysis, willingness to face new tasks and compliance with deadlines. These qualities make the firm stand out from other firms.’

Key clients

  • Volkswagen
  • Grupo PSA
  • Tuboscope
  • Raízen
  • Danone
  • Glencore
  • Cargill
  • Compañía General de Combustibles
  • Compañía Mega
  • Adecoagro
  • Pachón
  • Copetro
  • Petro
  • TGS (Nopec) Spectrum
  • Lamb Weston
  • Newmont

Work highlights

  • Advising Volkswagen Argentina in a matter involving administrative appeals filed against an imposed fine on the client in connection with allegations it had contributed to vehicle gaseous emissions by installing a “defeat device” to the diesel engines of their vehicles.
  • Assisting TGS and Spectrum in connection with the environmental permitting required by federal authorities in connection with hydrocarbon offshore seismic campaigns in the Malvinas–Falklands and Argentina basins in the Southern Atlantic Ocean.
  • Representing Danone Argentina  in the “Mendoza” leading case (concerning the environmental remediation of the Matanza-Riachuelo Basin) before the Argentine Supreme Court

Lawyers

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.

Francisco Macías