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Juan Martín Allende

Work +54 11 4318 9937
Allende & Brea

Work Department

Energy & Natural Resources. Asia Practice Group


Partner. He specializes in Natural Resources (with focus on Mining), Corporate Law, Mergers and Acquisitions, Finance and Foreign Investments. He leads the Firm’s Asia Practice Group.


He joined Allende & Brea in 1999. In 2009 he worked as International Associate at Niederer, Kraft & Frey (Zurich, Switzerland), and TozziniFreire Advogados (Sao Paulo, Brazil). He is partner of the firm since January 2013.


He is fluent in English, Spanish and Portuguese.


He is a member of Buenos Aires Bar Association, International Bar Association and the Rocky Mountain Mineral Law Foundation.


He obtained his Law degree from the Austral University in 2002. He attended the Duke University - School of Law, North Carolina, U.S. as an Exchange Student in 2001 and The Center for American and International Law, Texas, U.S, Academy of American and International Law in 2006.

Argentina: Energy and natural resources


Within: Mining

In a major coup, Allende & Brea hired high-profile mining specialist Florencia Heredia in 2017 – she was previously senior partner at Heredia, Lede Pizzurno & Terrel Abogados. The group also benefits from the experience of transactional energy and natural resources specialist Juan Martín Allende and project development and finance partner Marcos Patrón Costas. The firm covers all the bases in mining law, with strong skill sets in regulatory issues, project development, M&A and environmental matters. It is particularly prominent in the lithium space, where it acts for clients such as FMC and Galaxy Resources. Highly rated of counsel Carlos García Díaz left to become an independent practitioner.

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Oil and gas

Within: Oil and gas

Allende & Brea’s practice, which is led jointly by Marcos Patrón Costas and Juan Martín Allende, acts for a mix of oil and gas companies and oilfield service providers. Notably, it provides ongoing advice to TechnipFMC and Weatherford on day-to-day matters, including contractual issues, foreign exchange matters and litigation. Sabre Drilling Argentina, JX Nippon Oil & Energy Corporation and Axion Energy are also on the department’s books.

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