Tomás de la Maza

+56 2 2928 2211

His practice is focused on water law, mining law, natural resources transactions and litigation, corporate and commercial law.


  • IFM Investors on the sale of Pacific Hydro, a renewable energy company with assets in Australia, Chile and Brazil, to State Power Investment Corp. of China. This deal was recognized as Cross-Border M&A Deal of the Year of 2016 by Latin Finance.
  • Pacific Hydro Group on a permanent advice for developing a legal strategy for water rights and on regulation and permits matters associated to hydropower projects Chacayes, Coya, Pangal, Los Arándanos, Nido de Águila, La Higuera and La Confluencia.
  • Kinross on a permanent advice for developing a legal strategy for water rights, water rights consolidations and judicial and administrative procedures related to the development of its mining projects Lobo Marte, Mantos de Oro and Maricunga.
  • Copihue (Ferrero Rocher) on the acquisition of water rights (purchase agreements) and on an administrative process to acquire water rights for their agricultural business.
  • Kinross on corporate restructuring of its mining assets, on strategies referring to relocation of easements, and on legal implications related to the possible exploitation of new orebodies close to Copiapó.
  • Barrick Gold Corporation on the sale process of the 50% of  Compañía Minera Zaldívar and advise on water rights and permits matters.
  • Hidroeléctrica La Higuera and Hidroeléctrica La Confluencia on water rights and permits matters.
  • Origin Energy on the analysis and report of water rights for the acquisition of the Cuervo, Blanco and Cóndor hydro power plants projects.
  • Lachlan Star on the purchase process of Dayton gold mine at Andacollo, and subsequent operation expansions.
  • Hidroeléctrica Chacayes on the due diligence for a USD340 million refinancing.


  • Teaching Assistant of Law, Market and Economics, Universidad Católica (2001–2003).
  • Foreign Associate, Energy and Natural Resources Group, Clayton Utz, Brisbane, Australia (2014).
  • Collaborator of AUSCHAM (Chile-Australia Chamber of Commerce) (Since 2010).


  • Lecturer in seminars and conferences in the field of natural resources law.


  • Law, Universidad Católica de Chile.
  • Master of Environmental Law, University of Sydney (2013).


  • Chile (2008).


  • Spanish.
  • English.

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