Commitment to the customer and constant search for excellence in the provision of services.

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O Escritório


O. C. Arruda Sampaio is a law firm specialized in competition and antitrust law, as well as correlated litigation, with a long list of services rendered to Brazilian and foreign clients since the firm was founded, in 1993.

The fundamental values that guide the firm’s activities are its commitment to the client and the constant search for excellence in the services provided. This means deeply understanding the demands, strategies and daily routine of each client, thus being able to provide tailored solutions to their legal needs.

This work ethics, centered in valuing knowledge and experience, and in stimulating the constant improvement of its professionals has granted the firm a successful trajectory in defending its cases and in maintaining a quality relationship with its clients that are active in the most diverse sectors.

O. C. Arruda Sampaio’s values and prestige ensure a sense of safety and reliability to the clients, who perceiving in the firm an example of partnership, experience, seriousness and qualified guidance.

Practice
Areas


01Cartel Investigations and Unilateral Conducts

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS has extensive practice in representing clients involved in national and international antitrust violations, involving cartel investigations and abuse of dominant position, including negotiations of leniency agreements and of settlement agreements, having acted in several complex and relevant cases, defending Brazilian and foreign clients, in investigations related to sectors such as auto parts, orange juice, financial services, animal protein, aluminum, fertilizers, aeronautics industry, vitamins, beverages, consumer goods, among others.

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS also assists clients in the filing of complaints reporting anticompetitive conducts carried out by third parties.

02Merger Reviews

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS has also a long history of successful merger reviews, representing clients in hundreds of national and multijurisdictional cases, including transactions of great repercussion in the sugar and ethanol markets, orange juice, fertilizers, animal fee, animal protein, agricultural commodities, defensives, chemical products, packaging, logistics, a variety of consumer goods, industrial supplies, steel tubes, aluminum, advertising, among others.

On Merger Reviews, the firm services comprises, among others, previous risk assessment, definition of the best strategy from an antitrust point of view, support to the negotiation team, as well as preparing and filing the notification and defending the case approval before the antitrust authorities throughout the analysis.

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS also represents clients interested in challenging Merger Reviews as third interested parties.

03Civil Litigation

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS is well experienced in representing clients in judicial matters related to competition and antitrust matters in State and Federal Courts, in the Superior Court of Justice and Federal Supreme Court, especially in lawsuits to challenge CADE’s decisions and in civil claims of compensation for damages, including class actions.

Such claims may regard judicial challenge of CADE’s decisions; defending clients sued in lawsuits aiming compensation for damages caused by violations of the economic order; or filing legal action against third parties to seek compensation for damages resulting of infringement of the antitrust legislation.

04Criminal

In addition to being subject to administrative and civil sanctions, the individuals involved in anticompetitive conducts may also be criminally prosecuted in Brazil. In such cases, O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS a full legal assistance from its well established network of partners in the Criminal Law area.

05Compliance

O. C. ARRUDA SAMPAIO SOCIEDADE DE ADVOGADOS provides its clients with customized support, developing tailored compliance programs, assisting directors, managers and employees to identify potential hazards and preventive measures, as well as advice on daily matters, contractual terms, risk assessments, and M&A projects.

Lawyers


Attorney with over 40 years of practice, 25 of which dedicated to representing clients in complex antitrust cases. He is author of many articles published on Brazil’s most important newspapers, specialized international magazines, and contributed on books. Recognized by Análise Advocacia 500 magazine as one of Brazil’s most admired Antitrust Law attorneys.

Attorney expert in antitrust law, with extensive experience in representing national and foreign clients on cases involving merger of companies and accusations of violation of the economic order. He is the author of articles published on specialized international magazines and books chapters. He is a former member of the Commission for Studies on Competition and Economic Regulation of OAB (Brazilian Bar Association). Recognized by Análise Advocacia 500 magazine as one of Brazil’s most admired Antitrust Law attorneys.

Bachelor of Law degree by Universidade Paulista. Acts on the Antitrust Law area.

Publications


São Paulo