Av  Pedroso De Moraes  1 201 Pinheiros
05419-001 São Paulo
Display phone number 00 55 11 33 56 1515
Celso Xavier
Tatiana Campello
Marcelo Inglez De Souza
Camila Biral
Ana Carolina Audi


Trademarks, patents, non-patented technologies, software and copyrights are assets that need to be carefully protected, managed and negotiated, with a view on innovation. Our intellectual property practice is renowned for delivering excellent services with attention to detail and strategic vision in order to protect these intangible assets. the practice is recognized as top tier in the most important rankings of the sector.

Our multijurisdictional assistance works in collaboration with a wide international network of specialized law firms abroad to protect and monitor the intellectual property rights of multinationals companies operating in Brazil and Brazilian companies engaged in international business.

Our Services:

— Preparation and negotiation of agreements for intellectual property licenses and assignment of intellectual property rights, technology transfers, technical services, franchising, software, image use and content use licensing, co-branding and technological cooperation, research and development, and several other intellectual property related contracts;

— Legal assistance on procedures to protect and monitor trademarks, patents, industrial designs, software, copyrights, and other assets;

— Assistance and monitoring of administrative, civil and criminal proceedings concerning infringement of intellectual property rights (collision of brands, copies, piracy, plagiarism, unfair competition, etc.);

— Intellectual Property due diligence;

— Counsel on taxation of intellectual property and innovation issues;

— Specialized training to our clients in: intellectual property licensing techniques and strategies, organization and management of intellectual property portfolios, etc;

— Visits to clients’ plant to assist in the identification of new projects in need of protection;

— Assistance to clients from the most diverse market sectors;

— Assistance on innovation, creation and protection of disruptive businesses.


With a multidisciplinary team using all the know-how it has accumulated in the area of intellectual property and innovation, we advise our clients in all aspects and matters of privacy, data protection, management and data security, including compliance with the General Personal Data Protection Law (“LGPD”), elaboration and revision of privacy policies, information security, terms of use of digital platforms, terms of consent for processing personal data, international data processing agreements, data protection impact assessment reports, data breach report policies, employees and subcontractors policies, data mapping, training programs, policies for crisis management involving data breaches and other security incidents, among other activities.

We have specialized teams with experience in advisory and litigation counselling that assist in the identification, management and mitigation of risks, from prior planning and evaluation to incident response.

Our clients benefit from our multidisciplinary team to deal with all matters, as well as relationships with data security service providers. We offer a full range of services that include Privacy and Data Protection, Information Technology, Digital Compliance and Cybersecurity.


Our history and multidisciplinary approach provides us with a solid and unique perspective of the market, allowing us to deliver the combination of experience and resource that is necessary to advise and steer clients through important and strategic matters in the telecommunications, media and technology environment.

We regularly advise leading telecommunications and technology clients on complex regulatory and transactional matters, significant contentious mandates, as well as insolvency, restructuring and finance.

The firm’s technology transactions lawyers have extensive experience advising industry-based clients, as well as investment funds and financial institutions, in purchasing and selling equity interest and its related effects in connection with transfer of control, transfer of concessions and authorizations.

We advise on matters that range from assistance in private bids, negotiation of acquisition agreements and infrastructure sharing, to tax and real estate matters, regulatory assessments and due diligence. We also represent clients in technology outsourcing, procurement, licensing, data protection, service arrangements, intellectual property related matters, content licensing, acquisition, and distribution.

As a full service law firm, Demarest is fully equipped to handle all matters involving companies in the technology sector, including startups and fintechs. Our multidisciplinary approach makes us a one-stop shop for our clients, that also gain access to expertise in various jurisdictions due to our association with Lex Mundi.


  • Tatiana Campello Intellectual Property and Innovation, Data Privacy and Cybersecurity, Technology
  • Marcelo Inglez de Souza Trademark Litigation, Arbitration, Technology, Media, Sport & Entertainment
  • Camila Biral Litigation, particular expertise in disputes involving French companies
  • Celso Xavier Civil & Commercial Litigation, Arbitration, Large Scale Consumer Litigation
  • Ana Carolina Audi Mergers and Acquisitions and Private Equity