Mastercard Patent EP3852307A1 - Partitioned Blockchains and Enhanced Privacy

Mastercard International Incorporated received European Patent EP3852307A1 from the European Patent Office, published April 8, 2026. The patent covers methods and systems for partitioned blockchains and enhanced privacy mechanisms for permissioned blockchain networks, with IPC classifications in H04L (digital communications). The designated states include all EU member states plus other European countries.

For technology companies and financial institutions developing blockchain applications, this patent represents an intellectual property position that may affect competitive development of partitioned blockchain technology in the European market. Parties developing similar technologies should conduct freedom-to-operate analyses.