Lembeye fields specialists in exploration, project development, and acquisitions and financings, as well as permitting, environmental approvals, construction, operations and closures. It is particularly experienced in options, earn-ins, farm-in, joint venture, shareholder and royalty contracts, along with mine construction and operating agreements. The team additionally assists with stakeholder and local community matters, and acts in mining concession disputes. Dual-qualified Canadian and Chilean lawyer Rony Zimerman assists global companies (and their Chilean subsidiaries) on an array of transactions and regulatory issues; while the workload of regulatory and public law expert Guillermo de la Jara includes exploration permits, easements and environmental authorisations. At associate level, Roberto Elías, who focuses on the structuring, development and acquisition of mining projects, joined from Ossa Alessandri Abogados in June 2025, while Valentina Contreras departed the firm the previous month.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Jorge Lembeye and Rony Zimmermann are absolute leaders in their practice areas. They have the advantage of not being part of a large structure, which allows them to focus more directly on the issues.
- Lembeye is a boutique firm with exceptional partners. They offer top-tier legal expertise, personalised service, rapid response times, and competitive pricing.
Key clients
- Alkane Resources
- Kimberley Metals Group Pty
- Summit Nanotech
- Norte Abierto
- Andex Minerals Chile
- Kinross
- Aero Energy
- Rio Explorations
- Nutrex
- Colorados
- Nueva Unión
- Nutram
Work highlights
Advised Norte Abierto, one of the world’s largest undeveloped gold and copper deposits in Chile (located in the Atacama Region) on a major review of the company’s project assets.
Advised Andex Gold on its Sofia, Champagne, Juaruna, and Miki projects in the Arica and Parinacota Region of Northern Chile, including execution of option and royalty agreements (among others).
Advised Summit Nanotech Corp, a Canadian lithium start-up, on its Chilean operations, including incorporation issues, contracts, lithium permits and regulatory matters.
Lawyers
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Practice head
Rony Zimerman