Platform Liability – The Redesign of Article 19 of the Brazilian Civil Rights Framework for the Internet (Marco Civil da Internet)

Brazil’s digital regulatory landscape has undergone one of its most significant transformations since the enactment of the Brazilian Civil Rights Framework for the Internet (Marco Civil da Internet). Following the Brazilian Supreme Federal Court’s (STF) ruling on Article 19 of the Marco Civil da Internet, together with the publication of Decrees No. 12,975/2026 and No. 12,976/2026, digital platforms, online marketplaces, social media services, and application providers now operate under a new liability framework.

This publication provides a practical analysis of the key changes introduced by these developments, their regulatory implications, and the compliance challenges that technology companies are expected to face in the coming years.