







WHO WE ARE
The Office
Cursino & Teodoro da Silva Advogados Associados is a multidisciplinary law firm that strives to understand its clients in order to provide advisory services grounded in ethics, confidentiality, and transparency. We are a firm born from the union of experience and modernity, always prioritising excellence in performance and commitment to assisting in conflict resolution and strategic planning.
The firm aims to share knowledge and provide a broad range of specialisations, with innovation and competence as key goals, delivering efficient and objective service. Our focus is on the use of artificial intelligence to deliver the best service in strategic problem-solving and legal advisory.
As a key aspect of our multidisciplinary approach, all associates are continuously seeking legal enhancement through regular qualification, to develop strategic planning in highly complex cases. They remain focused on the constant learning process in service delivery across all aspects, promoting an Excellence in Quality Programme (PEQ).
Cursino & Teodoro da Silva Advogados Associados always seeks to represent their clients’ interests in a way that allows their participation in all stages of developing solutions for the issues presented. Its structure allows for adaptation to the needs and interests of each client in a personalised manner.

Mission
Cursino & Teodoro da Silva Advogados Associados is a specialised law firm that always prioritises transparency and ethics in all established relationships. Our mission is to achieve excellence in guiding and advising our clients in an effective and innovative manner, through segmented and specialised practice. We are committed to preserving the credibility of our law firm, especially considering the social function inherent in the practice of law.
Vision
To represent a firm recognised for transparency, trust, and proactivity with its clients, providing specialised advisory services in strategic planning and employing artificial intelligence to utilise disruptive technologies, aiming to serve the best interests of its clients.
Values
The law firm believes that promoting the quality of life for its members depends on an environment fostered through transparency, integrity, and cordiality with others. Specialised and technical work enhances the achievement of desired goals and supports obtaining better results for all associates and clients. Our goal is to establish the firm's reputation as a true standout in both the national and international arenas, known for its transparency and innovation in delivering information and results to clients. We continually employ disruptive tools that allow for greater information access through secure and integrated systems.
Areas of Practice
Digital
Advisory services for companies in e-commerce and the implementation of privacy and user policies through ...
Direito Digital
- – Advisory services for companies in e-commerce and the implementation of privacy and user policies through compliance with Law No. 13.709/18 – General Data Protection Law (LGPD);
- Drafting contractual instruments for e-commerce and ensuring compliance with LGPD regulations;
- Advisory services for companies in system and information security, information technology, digital media, and web design;
- Representation in judicial proceedings in the area of Information Technology;
- Advisory services for participation in bidding processes;
- Advisory services and the production of consultative opinions related to the provision of content, software, information systems, and hosting services;
- Drafting codes of conduct, privacy policies, and corporate training to ensure compliance with the LGPD;
- Representation in administrative proceedings involving the regulation of the Digital Law sector;
- Crisis management resulting from security incidents;
- Legal consultancy to mitigate the risks of civil liability on the Internet, implementing privacy and data protection policies, in compliance with the LGPD;
- Analysis and structural reorganization of the company in light of emerging disruptive technologies that allow for cost mitigation and productivity optimization;
- Collaboration with other areas such as tax, regulatory, compliance, corporate, consumer, and labor law, providing advisory services through digital integration platforms with a multidisciplinary approach, considering the legal and economic impacts of specific actions aimed at solving digital issues.
Contractual and Startups
Legal advisory services at all stages of the business; Advisory services in the development of business plans, hypothesis validation...
Contractual and Startups
- Legal advisory at all stages of the business;
- Advisory in the development of the business plan, hypothesis validation, pursuing all stages until the structuring for receiving investments in the project;
- Legal modeling and structuring for startups, Fintechs, etc.;
- Consultancy, tax litigation, and corporate matters for technology companies, startups, Fintechs, and their investors;
- Advisory and drafting of electronic contracts, codes of conduct, Non-Disclosure Agreements, privacy policies, and training;
- Intellectual Property (Trademark, Software, and Patents Protection).
Compliance and Corporate Governance
Drafting of profile questionnaires and risk assessment to quantify...
Compliance and Corporate Governance
- Drafting of profile questionnaires and risk assessment to quantify the inherent risks associated with the company’s activities;
- Assistance in the development and implementation of effective integrity programs aimed at preventing, detecting, and punishing any illegalities or irregularities, considering the risks faced by the company in a particular line of business;
- Advisory services to ensure compliance with Law No. 12.846/13, Decree No. 8.420/15, Ordinances No. 909 and 910 of the Ministry of Transparency and Comptroller General of the Union (CGU), as well as CGU guidelines for integrity programs of private companies;
- Conducting integrity training sessions at the company’s premises or at Cursino Advogados’ facilities to inform all internal employees and third parties acting on behalf and/or benefiting the company about the content of existing company policies;
- Advisory services regarding the innovations introduced by Law No. 7.753/17 of the State of Rio de Janeiro and Law No. 6.112/18 of the Federal District, and the obligation of compliance by companies contracting with the Public Administration of the federated entities;
- Creation of procedures to assist in the immediate interruption and remediation of irregularities or infractions, such as establishing an anonymous reporting channel, instituting disciplinary measures, protecting the good-faith whistleblower, among others;
- and Analysis in the implementation of a compliance program to restructure the existing program, if applicable, evaluating and optimizing its operation through the use of new information and communication technologies.
Tax & Customs
Defenses in administrative proceedings and monitoring of inspections conducted by the Federal Revenue Service...
Tax & Customs
- – Defenses in administrative proceedings and monitoring of inspections conducted by the Federal Revenue Service, State and Municipal Finance Secretariats;
- Defenses in judicial proceedings, periodic monitoring of cases, and issuance of monthly reports to the client;
- Risk analysis involving administrative and judicial proceedings;
- Advisory services in obtaining tax compliance certificates from public administration throughout the national territory, enabling contracts with the Public Sector;
- Preparation of legal opinions and legal reports, through a prior risk analysis regarding compliance with legal norms and customs valuation rules and transfer pricing, preventing the interested party from the constant changes in legislation in the respective jurisdictions of interest;
- Advisory on issues related to compliance with legal norms and regulations issued by various public agencies regulating the taxpayer’s activity;
- Collaboration with other areas such as customs, digital, corporate, regulatory, compliance, consumer, and labor law, allowing for multidisciplinary tax advisory, considering the legal and economic impacts of specific actions aimed at solving tax issues;
- Advisory and guidance on obtaining tax benefits and utilization of tax credits, depending on the tax regime and the legal entity’s corporate purpose;
- Preparation of tax and customs planning, observing international treaties to avoid double taxation and structured based on the best fit to the applicable special customs regime;
- Tax credit recovery: identification and assistance in recovering tax credits, aiming to contribute to the company’s growth;
- Strategic mapping and risk assessment regarding the possibility of tax credit recovery.
Infrastructure and Regulatory
Representation in judicial and administrative proceedings, representing clients before the Courts of Auditors...
Infrastructure and Regulatory
- Representation in judicial and administrative proceedings, representing clients before the Courts of Auditors, regulatory agencies, autarchies, public entities, and Ministries;
- Legal advisory to public agents;
- Legal consultancy to state-owned companies, through the issuance of legal opinions;
- Legal advisory to private companies in contract drafting and structuring of the company for participation in bidding processes, preparing proposals, and filing administrative appeals and challenges; and
- Review of contracts to be entered into with the Public Sector, through the preparation of legal opinions and risk analysis.
Real Estate and Condominium
Real Estate Due Diligence; Advisory and consulting to the condominium through the drafting of conventions...
Real Estate and Condominium
- Real Estate Due Diligence;
- Advisory and consulting to the condominium through the drafting of conventions, internal regulations, extrajudicial notifications, and training sessions, aiming to contribute to the organizational structure of the building and prevention of potential legal disputes;
- Real estate leasing (extrajudicial and judicial debt collection, eviction actions, contract drafting, and real estate management);
- Implementation of an extrajudicial debt collection method to ensure the recovery of condominium debts, and if unsuccessful, pursuing judicial action to enforce payment from delinquent owners and safeguarding the interests of the condominium;
- Consultancy and advisory services through the preparation of technical opinions to ensure that the condominium is protected from potential legal disputes;
- Preventive action and provision of monthly legal advisory services to the condominium;
- Drafting of Purchase and Sale agreements and Promises of Purchase and Sale;
- Civil litigation aimed at defending the interests of the client; and
Drafting of lease agreements (residential or commercial), suggesting to the client the most effective strategy to protect their interests.
Demais áreas
Corporate/Business Law
- Corporate and Commercial Law
- Credit instruments relationships
- Antitrust law
- Contracts
- Closing major deals, especially in mergers and acquisitions (M&A) (regulatory issues, such as taxes, competition aspects, labor contingencies, and other business contingencies)
- Efforts to minimize conflict potential (litigation); reduce transaction costs; mitigate regulatory costs; act as a reputable intermediary; enhance corporate communication; and create goal-oriented economies.
- Compliance
- Taxation of Business Activities and Tax Accounting
- Labor and Company Legal Relations.
- Comprehensive business advisory tailored to your business needs.
- Civil Liability, Environmental Responsibility, and the Entrepreneur.
- Corporate Law in Crisis (bankruptcy and corporate recovery).
Banking
- Financial institutions – corporate and regulatory
- Contracts
- Credit recovery
- Real estate credit
- Leasing and fiduciary alienation
- Civil liability
- Tax aspects
- Financial system
- Capital market
- Guarantees
Labor and Social Security Law
- Representation in judicial and administrative proceedings related to the application of labor laws;
- Study and issuance of opinions on labor law topics;
Preventive consultancy on labor matters, including drafting employment contracts, setting up and organizing structures for food trucks, enabling activity through regularization with control agencies; - Contentious action covering all instances of the Labor Judiciary, including the Superior Labor Court (TST), the Superior Court of Justice (STJ), and the Supreme Federal Court (STF), comprising both individual labor claims and collective agreements and disputes;
- Analysis and adjustment of the company with the enactment of Labor Reform and adjustments for compliance with the digital system of tax, social security, and labor obligations, created by the Federal Government – e-social – ensuring compliance with these obligations by the company;
- Training sessions to ensure that all employees understand the new labor laws and encourage everyone’s integration for the company’s objectives;
Drafting of Codes of Conduct and organizational activities for the company, promoting the integration of technologies that can support the control of activities carried out monthly or annually by employees; - Consultancy and drafting of opinions regarding the necessary adaptation of the company to the terms of the General Data Protection Law, reviewing and modifying existing contracts to be in accordance with this new legislation;
- Advisory to State-Owned Company employees, promoting an analysis of the condition in which a certain employee had their rights infringed, demonstrating the legal feasibility in filing claims; and
- Collaboration with federal government agencies and entities, such as the Special Secretariat for Social Security and Labor, the Special Secretariat of the Federal Revenue, the Special Secretariat for Productivity, Employment, and Competitiveness, the Special Secretariat for Bureaucracy, Management, and Digital Government, as well as state and municipal agencies and entities, such as Regional Labor Inspectorates, Associations and Unions, the Labor Prosecution Service, among others.
- Retirement
- Benefits Review
- Social Security
Litigation and Arbitration
- Conflicts regarding the interpretation and validity of private contracts and with the Public Administration;
- Representation in administrative proceedings before public agencies and
- Courts of Accounts, especially regarding the challenge of bidding processes;
- Discussions about commercial contracts;
- State or private civil liability in the context of consumer and commercial relations;
- Assistance to ensure contractual client validity and efficiency regarding the arbitration clause, delimiting the location, selecting qualified arbitrators, and suitable rules for arbitration procedures; and
- Consultancy and advisory on alternative dispute resolution method dispute board, preventing and resolving any disputes arising from the contractual relationship.
Environmental
- Consultancy to companies for dispute resolution and negotiations with public entities;
- Environmental civil liability;
- Defense of companies in administrative infractions and environmental crimes;
- Commitment terms and conduct adjustment agreements – TAC before environmental agencies and the Public Prosecution Service;
- Environmental Compensation; and
- Representation of industries and economic sectors in environmental issues solution and adaptation to renewable energy sources, including obtaining tax benefits due to environmentally compliant practices.
Sports Law
- Advisory on the preparation of legal opinions and preventive legal opinions on litigation in contractual, commercial, disciplinary, and doping matters;
- Consultancy through the preparation of corporate and labor planning;
- Representation of clients in disputes before FIFA, CAS, and international sports federations;
- Advisory on structuring investments in football and preparation of tax planning for athletes and agents; and
- Advisory on drafting employment contracts, sponsorship, use, and exploitation of athletes’ image.
Medical Law
- Medical Civil Liability;
- Ethical-disciplinary procedures;
- Defense of the interested party regarding the potential civil and criminal repercussions of disciplinary administrative proceedings;
- Health Plans.
Family and Succession Planning
- Listening and understanding of the interested party in the proposal of alimony action, shared and/or unilateral custody, as well as in the regulation of coexistence in respect of the child’s best interest;
- Advisory and filing of interdiction action, safeguarding the interests of the interdicted person and the interdictor;
- Preparation of succession planning to predict the legal and economic impacts of all stakeholders;
- Legal consultancy in the form of Legal Opinion and Legal Opinion about the specific case, resolving doubts about the assets and rights of the interested party, as well as possible disagreements for a future Inventory, always aiming at reducing expenses and ensuring the best strategy for the case.
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WHAT
Our clients say
Partners

Karine Teixeira Fernandes Monteiro
Partner
Karine Teixeira Fernandes Monteiro has experience in the area of civil litigation and consulting in digital law, as well as in criminal law.
Karine Teixeira Fernandes Monteiro is a partner at Cursino & Teodoro da Silva Advogados, graduated summa cum laude from Universidade Cândido Mendes – Rio de Janeiro/RJ. She holds a postgraduate degree in Public and Private Law from the School of Magistracy of Rio de Janeiro (EMERJ).
LANGUAGES
Portuguese; English; Spanish.
ACADEMIC CONTRIBUTIONS
Article published in the Scientific Articles Journal of EMERJ Students: “The transgender in Penal Execution – The constant violations of human dignity in the prison system.

Leonardo Cursino Rodrigues Ferreira
Partner
Leonardo Cursino is a lawyer with extensive experience in civil litigation and consulting in tax, regulatory, and constitutional law.
Leonardo Cursino is a lawyer with extensive experience in civil litigation and consulting in tax, regulatory, and constitutional law.
Leonardo Cursino is a partner at Cursino & Teodoro da Silva Advogados, graduated cum laude from Universidade Estácio de Sá – Rio de Janeiro/RJ. He is currently pursuing a postgraduate degree in Tax Law at FGV/Brasília (LLM in Tax Law). He is a member of the Tax Affairs Commission of OAB/DF, as well as a member of the Brazilian Bar Association – Federal District Chapter, Rio de Janeiro Chapter, and São Paulo Chapter.
LANGUAGES
Portuguese; English; Spanish.
ACADEMIC CONTRIBUTIONS
Article co-authored for publication in the book “Current Topics in Tax Law.” Publisher: Lumen Juris, São Paulo: “The responsibility of administrators under the new marketplace rules. 2021.”
Article written and presented at the International Congress on Human Rights in Coimbra (CIDHCoimbra): “The applicability of the Anti-Corruption Law in State Companies in the context of E-Government. 2019.” (Presentation/Conference).
Article written and presented at the International Congress on Human Rights in Coimbra (CIDHCoimbra): “The experiences of Luso-Brazilian public-private partnerships in the implementation of public policies: A promotion of the right to health as a legal duty of the State. 2018.” (Presentation/Conference).
Article co-authored and presented at the Interdisciplinary Seminar of Universidade Estácio de Sá (UNESA/RJ): “Unconstitutional State of Affairs. 2017.” (Presentation/Seminar).

William Teodoro da
Silva Filho
Partner
William Teodoro da Silva Filho has extensive experience in civil litigation and consulting in Customs and Real Estate Law.
William Teodoro da Silva Filho is a partner at Cursino & Teodoro da Silva Advogados and the coordinator of the private law area. He graduated from Universidade Santa Úrsula – USU.
He holds postgraduate degrees in Higher Education Teaching from Universidade Cândido Mendes – UCAM, in Civil and Procedural Civil Law from Universidade Estácio de Sá – UNESA, and in Sports Law and Management from FIFA/CIES/FGV.
He also completed an MBA in Customs and International Legal Management from the Massachusetts Institute of Business (MIB) and ABRACOMEX, and he is currently pursuing a Master’s degree in Law at Universidade Estácio de Sá – UNESA.
He is specialized in Real Estate Law (CEPAD). He serves as Vice President and Director of the Sports Law area at AFCFA – FIFA/CIES/FGV Alumni Association. He is a lawyer, lecturer, and professor.
LANGUAGES
Portuguese; English; Spanish.
ACADEMIC CONTRIBUTIONS
Co-author of the book ‘Lei de Licitações e Contratos Administrativos – Comentada e Interpretada’ (Commented and Interpreted Law of Bids and Administrative Contracts), published by Freitas Bastos Editora in 2009.
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