Carlos Roberto Siqueira Castro, founding partner at Siqueira Castro – Advogados, is a highly experienced disputes lawyer with recognised expertise in regulatory, constitutional, and public law cases. He advises clients operating in a wide range of industries, particularly oil and gas, energy and mining, where he has represented some of the biggest names in the market. Castro also has a strong track record in proceedings before Brazil’s superior courts.
Legal 500 Editorial commentary
Accolades
Rio de Janeiro Elite
Mentions
Profile
Work Department
Constitutional Law, Administrative Law, Regulatory Law, International Law, Civil Law, Civil Procedural Law, Litigation, Arbitration, Public Tenders, Government Contracts, Public-Private Partnerships, International Relations.
Position
Senior Partner
Career
• Honorary lifetime member of the Firm’s Executive Committee
• Sub-Attorney General of the Republic, retired
• Full Professor of Constitutional Law at the State University of Rio de Janeiro (UERJ)
• Full Professor of Constitutional Law at the Pontifical Catholic University of Rio de Janeiro
(PUC/Rio)
• Visiting professor at the Panthéon-Assas Paris II University Law School, France
• Former visiting professor at the University of Montpellier Law School, France
• Former visiting professor at the Harvard Law School, USA
• Former government and administration secretary for the State of Rio de Janeiro
• Former government secretary for the Municipality of Rio de Janeiro
• Former head prosecutor for the Office of the Regional Attorney General of the State of Rio de Janeiro
• Former chairman of the Legal Committee for the American Chamber of Commerce in Brazil (Rio de Janeiro Chapter)
• Invited participant at conferences sponsored by the School of Law of University of Lisbon
• Chairman of the advisory board of the Russia-Brazil Chamber of Commerce
Languages
Portuguese, English, French and Spanish.
Memberships
• Federal Board Member of the Brazilian Bar Association
• Member of the Brazilian Bar Association
• Member of the Brazilian Lawyers’ Institute
• Member of the Brazilian Constitutional Law Institute
• Member of the Brazilian Association of Democratic Constitutionalists
• Member of the American Bar Association
• Member of the State of São Paulo Lawyers’ Association
• Member of the national committee on international relations of the Federal Council of the Brazilian Bar Association
• Member of the board of directors of the India-Brazil Chamber of Commerce
Education
• Graduated from the State University of Rio de Janeiro (UERJ), in 1972
• Master of Law (LL.M.) from the University of Michigan, USA
• Doctor of Public Law from the Federal University of Rio de Janeiro (UFRJ)
• Formed by mediator from Centre de Médiation et d’ Arbitrage de Paris – CMAP
• Program on Negotiation e Advanced Mediation Workshop: Mediating Complex Disputies of Harvard Law School
Content supplied by Siqueira Castro – Advogados
Key clients
- White Martins Gases Industriais Ltda
- Prudential do Brasil Seguros de Vida S.A.
- BHP BILlINTON BRASIL LTDA.
- PETRÓLEO BRASILEIRO S.A.
- Dexco S.A.
- Construções e Comércio Camargo Correa S.A.
- MOVER PARTICIPAÇÕES S.A.
- COMPANHIA DISTRIBUIDORA DE GÁS DO RIO DE JANEIRO
- Vale S.A.
- Arcellor Mital
- ALBIOMA PARTICIPACOES DO BRASIL LTDA.
- SOCIEDADE MICHELIN DE PARTICIPAÇÕES, INDÚSTRIA E COMÉRCIO LTDA
Work highlights
Represents Vale S.A. in several "ações populares" lawsuits initiated by citizens to challenge acts deemed harmful to public assets, morality, the environment, and historical or cultural heritage.
Represented ABRAPP in lawsuits against Brazil’s Development Fund, BNDES, and Federal Union over OFND value recalculations (IPC vs. BTN, 1990–1991), securing corrected payments plus interest for ABRAPP affiliates.
Played a pivotal role in Direct Action of Unconstitutionality (ADI) 3596, acting since 2007 as an amicus curiae on behalf of the Instituto Brasileiro de Petróleo, Gás e Biocombustível (IBP) (Brazilian Institute of Oil, Gas and Biofuels - IBP).