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Nicolás Eyzaguirre

Work (56 2) 367 3026
Claro & Cia.

Work Department

Energy & Natural Resources, Environmental, Mining.


Partner. Energy & Natural Resources, Environmental, Mining.


Nicolás Eyzaguirre focuses on Natural Resources and Environmental Law, Energy, Mergers and Acquisitions, and Litigation and Arbitration. He has represented a large group of local and international clients. He joined Claro & Cia. in 1994, became an associate in 1998 and he became partner in 2009. During 2001-2002 he was a foreign associate at Sullivan & Cromwell in New York.


Languages: Spanish and English.


LL.M., Northwestern University School of Law, 2001. Certificate in Business Administration, Northwestern University Kellogg Graduate School of Management, 2001. J.D., Pontificia Universidad Católica de Chile,1997.



Within: Environment

Claro & Cia.’s environmental law practice is particularly focused on the air, water, energy, forestry and mining sectors. The team defended Chilean miner Anglo American Sur against a claim for environmental damage –allegedly caused by the El Sauce waste dump– before Santiago’s civil courts. Nicolás Eyzaguirre is highly regarded.

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Chile: Energy and natural resources

Electricity/oil and gas

Within: Leading lawyers

Nicolás Eyzaguirre - Claro & Cia.

Within: Electricity/oil and gas

Claro & Cia. is recommended for its advice to national and global clients, which generate, transmit and distribute energy. Representative experience includes the development, construction, operation and financing of hydroelectric, solar, wind and thermoelectric power plants. In cross-border matters, the team has acted in the project financing and construction of oil and gas pipelines between Chile and Argentina; and the firm’s energy practice also covers corporate law, regulatory issues and litigation. Rodrigo Ochagavía is highly rated for his experience with generator, transmission and distribution companies; and project finance expert José Luis Ambrosy and Nicolás Eyzaguirre are also recommended.

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Within: Mining

Claro & Cia. advises some of the US’ and the world’s largest metallic and non-metallic mining companies. Representative work includes assisting with acquiring the permits for the development, construction, operation and closing of mining sites; acquisitions, sales and financings of mining assets both in Chile and abroad; advising on relations with governmental authorities; and assisting with strategies to minimise potential environmental contingencies. The practice advised Soquimich, the second-largest lithium carbonate producer in the world, on the acquisition of 50% of Minera Exar. Nicolás Eyzaguirre is the key name.

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