Tatiana Campello is a partner at Demarest Advogados who helps companies protect, commercialize, and defend innovation in the digital economy. She leads complex matters at the intersection of intellectual property, technology transactions, data protection, and cybersecurity, advising Brazilian and multinational clients on issues where legal strategy must keep pace with fast‑moving business and technical realities.

Her work spans technology licensing and transfer, IP strategy, high‑stakes brand and innovation portfolios, and privacy‑driven risk management, supporting clients across industries such as technology, financial services, life sciences, mining, media, entertainment, energy and agribusiness.

Chambers and Partners recognizes Tatiana Campello in Intellectual Property, Data Protection, and Technology, ranking her Band 2 for IP: Patent and IP: Trademark, Copyright & Trade Secrets, Band 3 for Data Protection, and Band 4 for Technology (Brazil 2025). She was also named Latin America IP Lawyer of the Year at the Women in Business Law Awards Americas 2023

Beyond client work, she holds leadership roles in key professional organizations, including LESI, Lex Mundi and ABPI, contributing to global discussions on innovation, licensing, privacy, and cybersecurity.