Skip to main content
  • Our Oil and Gas practice provides comprehensive and strategic legal advice throughout the entire value chain, with consistent work in the upstream, midstream, and downstream segments.

    We combine regulatory knowledge and practical experience to support companies in complex transactions, enabling us to be part of the panel of law firms for leading industry players.
    We have participated in significant projects in the sector, including the opening of the refining market, the creation of the new natural gas market, and initiatives focused on energy transition and the ESG agenda. Our team is composed of professionals with experience in law firms, companies, and regulatory agencies, ensuring a broad perspective and solutions aligned with client needs.
    With a multidisciplinary approach, we position ourselves as a one-stop shop for the oil and gas sector. We operate in areas such as regulatory, contractual, corporate, compliance, tax, environmental, and dispute resolution. This structure allows us to act as a trusted advisor in crisis management and strategic decision-making.

    Atuação

    Serviços jurídicos que oferecemos aos nossos clientes.

    • Regulatory and Legislative Monitoring
      Expandir accordion

      Continuous monitoring of regulatory changes impacting the oil and gas industry, providing legal and strategic analyses to anticipate risks and opportunities.

    • Corporate and Asset Transactions
      Expandir accordion

      Legal advice on acquisition and sale processes of companies and assets in the oil and gas sector, including transaction structuring, legal due diligence, drafting of contracts (share purchase agreements, investment agreements, shareholders’ agreements, farm-out agreements, among others), and obtaining government approvals.

    • Projects
      Expandir accordion

      Legal support for project development in upstream, midstream, and downstream segments, focusing on regulatory, contractual, and tax feasibility.

    • Commercial and Operational Contracts
      Expandir accordion

      Drafting and negotiation of industry contracts, such as Joint Operation Agreements (JOA), transportation, processing, and marketing agreements for natural gas, oil, and derivatives.

    • Bidding and Exploration Contracts
      Expandir accordion

      Advisory on bidding processes for concession and production sharing, including incorporation, registration, and qualification, as well as negotiation of instruments such as Area of Mutual Interest Agreements (AMI) and Joint Bidding Agreements (JBA).

    • Administrative and Judicial Disputes
      Expandir accordion

      Representation in arbitrations, judicial proceedings, and administrative procedures before the National Agency of Petroleum, Natural Gas and Biofuels (ANP).

    • Tax
      Expandir accordion

      Legal structuring of projects with a tax focus, including importation of goods, use of tax benefits, and representation in tax litigation.

    Expertises relacionadas

    Conheça outras áreas de atuação que complementam nossa expertise em Oil and Gas.

    Prêmios e reconhecimentos

    • -

      Lefosse is recognized by Chambers Global in Oil and Gas, consecutively since 2024.

    • -

      Lefosse is recognized by Chambers Industries & Sectors in Oil and Gas (Brazil), from 2023 to 2025.

    • -

      Lefosse is recognized by Legal 500 in Hydrocarbons (Latin America), consecutively since 2021.

    • -

      Lefosse is recognized by Leaders League Transactions & Deals in Oil and Gas (Brazil), consecutively since 2021.

    • -

      Lefosse is recognized by Análise Advocacia in Oil and Gas – Economic Sectors, consecutively since 2021.

  • Ícone de busca

    1 advogados encontrados


Somos um escritório de advocacia full service que oferece consultoria especializada em todas as práticas do Direito, com sólida experiência de atuação nos cenários nacional e internacional.

São Paulo

Rua Iguatemi, 151
14º andar
01451-011 - Itaim Bibi
São Paulo - SP, Brasil
+55 11 3024-6100

Rio de Janeiro

Praia do Flamengo, 200
20º andar
22210-901 - Flamengo
Rio de Janeiro - RJ, Brasil
+55 21 3263-5480

Brasília

SCS Quadra 09,
Edifício Parque Cidade Corporate
Torre B - 8º andar
70308-200 - Asa Sul
Brasília - DF, Brasil
+55 61 3957-1000


We are a full-service law firm that offers specialized consulting in all areas of Law, with solid experience in both national and international scenarios.

São Paulo

Rua Iguatemi, 151
14º andar
01451-011 - Itaim Bibi
São Paulo - SP, Brazil
+55 11 3024-6100

Rio de Janeiro

Praia do Flamengo, 200
20º andar
22210-901 - Flamengo
Rio de Janeiro - RJ, Brazil
+55 21 3263-5480

Brasília

SCS Quadra 09,
Edifício Parque Cidade Corporate
Torre B - 8º andar
70308-200 - Asa Sul
Brasília ? DF, Brazil
+55 61 3957-1000