About us

Pioneerism, recognition and vanguardism

Peck Advogados has a multidisciplinary team with solid technical and legal training that makes a huge difference in the more strategic understanding of the challenges faced by companies that use digital technologies and services. His lawyers are thoroughly familiar with platforms, software and IT, and have contributed to the new regulations in the industry.

Since its founding by Dr. Patricia Peck in 2004 when the regulation of Digital Law was beginning, the office develops research and update works that have resulted in 18 works on the subject that are now a reference for the High Courts and their prominent ministers, as well as judges and legislators from all levels, with Dr Leandro Bissoli, Sandra Tomazi, Marcio Chaves, Caroline Teófilo and Marcelo Crespo as their main partners.

As the Internet has no borders and digital businesses are already born global, the office has a strong international presence, which enables it to meet the demands of companies in Brazil and abroad. For all this, the office is leading the debates on the need to include Brazil in the scenario of international regulation of topics on intellectual property, privacy and data protection, so that its clients have access to global best practices and a doctrine applied to the Brazilian reality.

Currently, Peck Advogados has a team of 30 professionals. Since its founding, it has served over 1,500 corporate clients in Brazil, the United States, Europe and Latin America and is therefore considered one of the largest Brazilian law firms specializing in Digital Law.

Our main office is located in São Paulo and serves 36 market segments including:
Consumer goods
Financial market
Metal industry


Ms. Patricia Peck

Lawyer specialized in Digital Law with more than 20 years of experience. Researcher invited to Intellectual Property by the Max Planck Institute (Hamburg and Munich) and Columbia University (NYC).

Mr. Leandro Bissoli

Lawyer with more than 16 years of experience, postgraduate in International Economic Negotiations by the San Tiago Dantas Program, postgraduate professor in Management of Innovation and Digital Law of the FIA.

Mr. Márcio Mello Chaves

Lawyer with 18 years of experience, master in Intellectual Property by the World Intellectual Property Organization (WIPO) and Università Degli Studi di Torino (Italy) and professor in Information Security.

Ms. Sandra Tomazi Weber

Lawyer with more than 10 years of experience, post-graduated in Contractual Law from Pontifícia Universidade Católica de São Paulo, with extension in Information Technology Law from Fundação Getúlio Vargas.

Ms. Caroline Teófilo

Lawyer with more than seven years of experience in Information Security, including in the financial area. Specialized in Business Law from Fundação Getúlio Vargas and a post-graduate professor in digital marketing and e-commerce at SENAC.

Mr. Marcelo Crespo

Lawyer specialized in Digital Law with more than 15 years of experience in Digital Crimes and Compliance. Doctor and Master in Criminal Law from the Faculty of Law of the University of São Paulo (FADUSP).

Peck law innovations

Mobile app full video versions of the Terms of Use and Privacy Policy for a client in the third sector
First WhatsApp-only and registration-free marketing promotion for a client in the communication, media and entertainment sector
First Instagram-only and registration-free marketing promotion for an advertising agency with a client in the fashion sector
Legal feasibility study for the Brazilian Financial Market on the use of biometric authentication in banking electronic agreements
First emoji use on an advertising campaign for a client in the financial sector
Legal feasibility study on data sharing via cloud computing outside Brazil for a client in the health sector
Legal feasibility study on mobile check deposit for a client in the financial sector
First fully paperless education agreement in Brazil for an education sector client


To maintain the high technical level of delivery, it is part of the routine work of the Peck Advogados team to support and encourage constant professional updating and exchange of experiences with partner organizations, allied to leading technical discussions about innovations and market regulations.