FROM THE BEGINNING, THE COMMITMENT
Founded in 1998, Oliveira Souza Advogados is a law firm born from a family base and has evolved to become a reference in the legal and business environment.
A work whose essence was shaped by the more than 30 years of experience of its founding partner, Dr. João Maria de Oliveira Souza, and which allows the firm to stand out in the important segment of agribusiness, with relevant participation in the defense and development of this strategic area for the country.
A legacy that inspires the new generations to keep evolving in the realization of our best law practice.
Founded in 1998, Oliveira Souza Advogados is a law firm born from a family base and has evolved to become a reference in the legal and business environment.
A work whose essence was shaped by the more than 30 years of experience of its founding partner, Dr. João Maria de Oliveira Souza, and which allows the firm to stand out in the important segment of agribusiness, with relevant participation in the defense and development of this strategic area for the country.
A legacy that inspires the new generations to keep evolving in the realization of our best law practice.
RECOGNITION
To add value to our clients and collaborate with the Justice Administration, in the tireless search for the elaboration of defenses and legal products of high technical level and practical relevance.
To be timeless, recognized as a leading Brazilian law office.
Tradition
- Experience adds up
- Principles are perpetuated
- Our history guides us
Quality
- Atitude assertiva
- Consistency in technical work
- Understanding customer needs
Entrepreneurship
- Broad strategic vision
- Fluid and constant renewal
- Qualification to identify opportunities
PRACTICES
Legal assistance to companies
Litigation Law
Judicial and Administrative
Public Bodies and Regulatory Agencies
Superior Courts
PRACTICES
Oliveira Souza Advogados has recognized performance in the field of Administrative and Regulatory Law and Agricultural Legislation, in which it maintains a differentiated position. Thus, covering the most different segments of the industry: food, refrigeration, cosmetics, chemicals, among others.
As its headquarters are located in the Federal Capital, it has a strong presence before the Public Administration bodies (direct and indirect) and the Higher Courts. From Brasília/DF, it radiates its network of correspondents to extend and complement its activities.
Over the years, with the development of a law firm focused on solutions for companies, new areas have become part of our operation. Deserving highlight arms of Private Law.
Legal assistance to companies
Litigation Law
Judicial and Administrative
Public Bodies and Regulatory Agencies
Superior Courts
ADVISORY ADVOCACY
PUBLIC LAW
PRIVATE LAW
- Governmental and Institutional Relations
- Legal Risk Analysis of Activities
- Analysis and elaboration of contracts
- Business Restructuring
- Opinions/Consultations
- Public Civil Actions and Misconduct
- Regulatory, especially in the areas of Agriculture and Livestock, Human Health, Environment and Agriculture
- Aid for companies in the immigration of foreign employees, especially in terms of residence permit for work
- Corporate, Bankruptcy and Corporate Recovery
- Civil Liability
- Consumer Relations
- General Contracts
Oliveira Souza Advogados has recognized performance in the field of Administrative and Regulatory Law and Agricultural Legislation, in which it maintains a differentiated position. Thus, covering the most different segments of the industry: food, refrigeration, cosmetics, chemicals, among others.
As its headquarters are located in the Federal Capital, it has a strong presence before the Public Administration bodies (direct and indirect) and the Higher Courts. From Brasília/DF, it radiates its network of correspondents to extend and complement its activities.
Over the years, with the development of a law firm focused on solutions for companies, new areas have become part of our operation. Deserving highlight arms of Private Law.
ADVISORY ADVOCACY
PUBLIC LAW
PRIVATE LAW
- Governmental and Institutional Relations
- Legal Risk Analysis of Activities
- Analysis and elaboration of contracts
- Business Restructuring
- Opinions/Consultations
- Improbity and Public Civil Suits
- Regulatory, especially in the areas of Agriculture and Livestock, Human Health, Environment and Agriculture
- Aid for companies in the immigration of foreign employees, especially in terms of residence permit for work
- Corporate, Bankruptcy and Corporate Recovery
- Civil Liability
- Consumer Relations
- General Contracts
MEMBERS
JOÃO MARIA DE
OLIVEIRA SOUZA
FOUNDING PARTNER
JOÃO MARIA DE
OLIVEIRA SOUZA
Founding partner
Specialist in Agrarian, Environmental and Economic Law, with a recognized trajectory of legal relevance, dialogue, consideration and contribution in acts that positively impact society.
In his career, he served as Counselor of the Board of Trade of the Federal District; Federal Attorney of the Administrative Council for Economic Defense (CADE); Titular Member of the Special Bidding Commission of Caixa Econômica Federal (CEF) for the purpose of selling functional properties of the Federal Union; Representative of the OAB/DF in the Distribution of Original Jurisdiction and Appeals of the Federal Regional Court of the 1st Region (TRF/1st); National Environmental Director of the Brazilian Lawyer's Association (ABA); Member of the Commission of Notables, appointed by the OAB/DF, to monitor the work of drafting the Organic Law of the Federal District, in 1992.
At OAB / DF, he was a member of the Board of Directors from 2004 to 2006; Board member for several terms; and President of the Environment Commission.
Decorations:
Honorary Citizen of Brasilia;
Commendation of Honor to Judicial Merit granted by the Court of Justice of the Federal District and Territories (TJDFT);
Medal of Electoral Merit of the Federal District;
Title of Collaborator of the Highway Police Cause.
A lawyer for over 30 years, he founded the firm in 1998.
JOÃO MARIA DE
OLIVEIRA SOUZA
Founding partner
Specialist in Agrarian, Environmental and Economic Law, with a recognized trajectory of legal relevance, dialogue, consideration and contribution in acts that positively impact society.
In his career, he served as Counselor of the Board of Trade of the Federal District; Federal Attorney of the Administrative Council for Economic Defense (CADE); Titular Member of the Special Bidding Commission of Caixa Econômica Federal (CEF) for the purpose of selling functional properties of the Federal Union; Representative of the OAB/DF in the Distribution of Original Jurisdiction and Appeals of the Federal Regional Court of the 1st Region (TRF/1st); National Environmental Director of the Brazilian Lawyer's Association (ABA); Member of the Commission of Notables, appointed by the OAB/DF, to monitor the work of drafting the Organic Law of the Federal District, in 1992.
At OAB / DF, he was a member of the Board of Directors from 2004 to 2006; Board member for several terms; and President of the Environment Commission.
Decorations:
Honorary Citizen of Brasilia;
Commendation of Honor to Judicial Merit granted by the Court of Justice of the Federal District and Territories (TJDFT);
Medal of Electoral Merit of the Federal District;
Title of Collaborator of the Highway Police Cause.
A lawyer for over 30 years, he founded the firm in 1998.
Fabiana de
Castro Souza
PARTNER
Fabiana de Castro Souza
Partner
Partner since 2008, she works in Public Law, notably Administrative and Regulatory.
Professional experience in law firms, Public Defender's Office, Federal Public Ministry (MPF) and Superior Court of Justice (STJ).
Her training includes an MBA in Agribusiness Management (FGV); MBA in State and Regulatory Law (FGV); Extension in International Business Law from the University of California, Irvine (FGV/UCI); Degree in Law (UniCEUB); Letters/Portuguese (UNB).
English (C2, University of Michigan); Spanish (C2, DELE).
Nominated in 3 categories of the 2023 Women's Advocacy Analysis: (1) Agricultural Specialty; (2) Economic Sector/Food, Beverages and Tobacco; and (3) Federal District.
Fabiana de Castro Souza
Partner
Partner since 2008, she works in Public Law, notably Administrative and Regulatory.
Professional experience in law firms, Public Defender's Office, Federal Public Ministry (MPF) and Superior Court of Justice (STJ).
Her training includes an MBA in Agribusiness Management (FGV); MBA in State and Regulatory Law (FGV); Extension in International Business Law from the University of California, Irvine (FGV/UCI); Degree in Law (UniCEUB); Letters/Portuguese (UNB).
English (C2, University of Michigan); Spanish (C2, DELE).
Nominated in 3 categories of the 2023 Women's Advocacy Analysis: (1) Agricultural Specialty; (2) Economic Sector/Food, Beverages and Tobacco; and (3) Federal District.
Guilherme de
Castro Souza
PARTNER
Guilherme de Castro Souza
Partner
Partner since 2012, he works in Private Law, notably Contracts and Business Law.
Professional experience in national law firms.
His training includes an MBA in Foreign Trade and International Business Management (FGV); LLM in Business Law (FGV); Training in Finance (FGV); 360º Leadership (EASP/FGV); and Law Degree (UniCEUB).
At OAB / DF, he was President of the Subcommittee on Legislative Affairs at the Legislative Chamber of the Federal District, term 2013/2015; and Vice-President of the Support Committee for Novice Lawyers of the OAB/DF, management 2013/2015.
English.
Guilherme de Castro Souza
Partner
Partner since 2012, he works in Private Law, notably Contracts and Business Law.
Professional experience in national law firms.
His training includes an MBA in Foreign Trade and International Business Management (FGV); LLM in Business Law (FGV); Training in Finance (FGV); 360º Leadership (EASP/FGV); and Law Degree (UniCEUB).
At OAB / DF, he was President of the Subcommittee on Legislative Affairs at the Legislative Chamber of the Federal District, term 2013/2015; and Vice-President of the Support Committee for Novice Lawyers of the OAB/DF, management 2013/2015.
English.
José Silvino
Filho
CONSULTANT
José Silvino Filho
Consultant
He worked at the Ministry of Agriculture, Livestock and Supply (MAPA) for more than 40 years, began his public career as a Federal Agricultural Inspector in 1975 and retired as Union Lawyer (AGU) and Legal Consultant at MAPA, after decades of recognized contribution for National Agriculture.
He was responsible for MAPA's Legal Consultancy from 1999 to 2015. He was also Legal-Institutional Coordinator of the Master Plan for the Reform of the National Agricultural Defense Policy from 1996 to 1998.
International activities:
He was a member of the Brazilian Delegations from 1998 to 2015, representing the Brazilian government (MAPA) in international forums related to agricultural issues, such as:
World Trade Organization (WTO);
MERCOSUR;
Food and Agriculture Organization (FAO);
Convention on Biological Diversity (CBD);
Cartagena Protocol on Biosafety, Southern Cone Plant Health Council (COSAVE);
The Agriculture Ministers of the Southern Agricultural Council (CAS);
Permanent Veterinary Council of the Southern Cone (CVP).
Lawyer for over 30 years, specialist in Administrative / Regulatory Law and Agricultural Law, as well as in Public Administration.
José Silvino Filho
Consultant
He worked at the Ministry of Agriculture, Livestock and Supply (MAPA) for more than 40 years, began his public career as a Federal Agricultural Inspector in 1975 and retired as Union Lawyer (AGU) and Legal Consultant at MAPA, after decades of recognized contribution for National Agriculture.
He was responsible for MAPA's Legal Consultancy from 1999 to 2015. He was also Legal-Institutional Coordinator of the Master Plan for the Reform of the National Agricultural Defense Policy from 1996 to 1998.
International activities:
He was a member of the Brazilian Delegations from 1998 to 2015, representing the Brazilian government (MAPA) in international forums related to agricultural issues, such as:
World Trade Organization (WTO);
MERCOSUR;
Food and Agriculture Organization (FAO);
Convention on Biological Diversity (CBD);
Cartagena Protocol on Biosafety, Southern Cone Plant Health Council (COSAVE);
The Agriculture Ministers of the Southern Agricultural Council (CAS);
Permanent Veterinary Council of the Southern Cone (CVP).
Lawyer for over 30 years, specialist in Administrative / Regulatory Law and Agricultural Law, as well as in Public Administration.
LETÍCIA RODRIGUES
CONSULTANT
Letícia Rodrigues
da Silva
Consultant
PhD in Public Policies from the Federal University of Paraná (UFPR) and Master in Toxicology Applied to Health Surveillance from the State University of Londrina (UEL), works in the area of research in public policies associated with the regulation of pesticides, GMOs, chemical substances and environmental law.
She held the position of Manager of Standardization and Assessment at the National Health Surveillance Agency (ANVISA) for 14 years, in which she was in charge of pesticide regulation, having coordinated inspection actions at manufacturing units, toxicological reassessments and elaboration of standards.
LETÍCIA RODRIGUES DA SILVA
Consultant
PhD in Public Policies from the Federal University of Paraná (UFPR) and Master in Toxicology Applied to Health Surveillance from the State University of Londrina (UEL), works in the area of research in public policies associated with the regulation of pesticides, GMOs, chemical substances and environmental law.
She held the position of Manager of Standardization and Assessment at the National Health Surveillance Agency (ANVISA) for 14 years, in which she was in charge of pesticide regulation, having coordinated inspection actions at manufacturing units, toxicological reassessments and elaboration of standards.
Vivian Fróes
LEGAL COORDINATOR
Vivian Fróes
LEGAL COORDINATOR
Lawyer since 2011 with professional experience in the Attorney General's Office (AGU) and in national law firms, especially in the areas of Constitutional Law, Administrative Law, Civil Law and Intellectual Property.
Her training includes a Master’s degree, in progress, in Public Policies, Constitution and State Organization (UniCEUB) and a Post Graduation in Civil Procedural Law (OAB / UNISC).
English
Vivian Fróes
Legal Coordinator
Lawyer since 2011 with professional experience in the Attorney General's Office (AGU) and in national law firms, especially in the areas of Constitutional Law, Administrative Law, Civil Law and Intellectual Property.
Her training includes a Master’s degree, in progress, in Public Policies, Constitution and State Organization (UniCEUB) and a Post Graduation in Civil Procedural Law (OAB / UNISC).
English
Mariza Marum
ATTORNEY
Mariza Marum
Attorney
Professional experience at the Federal Public Ministry (MPF), at the Federal Public Defender's Office (DPU), at the Brasília Environmental Institute (IBRAM) and at law firms.
Her training includes a Post-Graduation in Business Law, Contracts, Civil Liability and Family (IDP).
English
Mariza Marum
attorney
Professional experience at the Federal Public Ministry (MPF), at the Federal Public Defender's Office (DPU), at the Brasília Environmental Institute (IBRAM) and at law firms.
Her training includes a Post-Graduation in Business Law, Contracts, Civil Liability and Family (IDP).
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Languages:
English
André mourão
ATTORNEY
André Mourão
Attorney
Professional experience in national law firms.
His training includes a Post Graduation, in progress, in Family Law, Inheritance, Succession Planning (Damásio); and Postgraduate Diploma in Civil Procedural Law (IDP).
Associate member of IBDFAM, where he also integrates the Committee of Family and Holding Companies.
Languages:
English
André Mourão
Lawyer
Professional experience in national law firms.
His training includes a Post Graduation, in progress, in Family Law, Inheritance, Succession Planning (Damásio); and Postgraduate Diploma in Civil Procedural Law (IDP).
Associate member of IBDFAM, where he also integrates the Committee of Family and Holding Companies.
Languages:
English
Victoria Mota
ATTORNEY
VICTORIA MOTA
Attorney
Professional experience in national law firms.
She was an intern and trainee at Oliveira Souza Advogados, highlighting the Talent Program (OLI).
Her training includes a Post Graduation, in progress, in Environmental Law and Strategic Management of Sustainability from PUC-SP.
She is a member of the OAB/DF Environmental Law and Sustainability Commission and is a member of the
Study Group on Environmental Law (UFMG).
English and French (DELF B2)
VICTORIA MOTA
Lawyer
Professional experience in national law firms.
She was an intern and trainee at Oliveira Souza Advogados, highlighting the Talent Program (OLI).
Her training includes a Post Graduation, in progress, in Environmental Law and Strategic Management of Sustainability from PUC-SP.
She is a member of the OAB/DF Environmental Law and Sustainability Commission and is a member of the
Study Group on Environmental Law (UFMG).
English and French (DELF B2)
Vilani Franco
Administrative supervisor
VILANI FRANCO
Administrative Supervisor
He has worked for more than 20 years in the supervision and administrative management of the office.
VILANI FRANCO
Administrative supervisor
He has worked for more than 20 years in the supervision and administrative management of the office.
Giovanna santos
INTERN
laura granja
INTERN
Oli is our incentive program for students that aims to reveal new talents. It opens places for students on internships, giving them the opportunity to learn, show their performance, start a career, and they also may be hired by Oliveira Souza Advogados.
A professional motivation
At Oliveira Souza Advogados, interns can experience our day-to-day routine, interacting with professionals from different areas and a high level of knowledge.
LEARNING IN PRACTICE
For a student, to be able to live the law firm routine makes all the difference. It is a chance to learn, seek challenges and develop professional critical thinking.
INTERNSHIP AND COLLEGE COMPLETE EACH OTHER
In addition to allowing access to more information and content, the internship reinforces learning in college, improving student performance. It is a new horizon that opens, where the important thing is professional training.
Oli is a program designed to contribute to the training of future professionals. Their growth is definitely a reason for us to be fulfilled.
OLI DEVELOPMENT STEPS
