MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202621090503 A) filed by Marwadi University on July 24, 2026, for Decentralized Data Marketplace System For Privacy Preserving Exchange Of Datasets.

Inventors include Nandini Makadia; and Parth Parmar.

The application for the patent was published on September 11, 2026, under issue no. 37/2026.

Abstract: A decentralized data marketplace system for privacy preserving exchange of datasets, comprising a blockchain layer 101 to maintain immutable transaction records, a contract layer 102 to execute reputation management, contribution validation, and automated payment settlement, a data contribution module 103 for dataset registration and listing, an off-chain storage module 104 for encrypted dataset storage with on-chain hash references, a marginal contribution engine 105 to compute dataset utility using cooperative game theoretic methods including Shapley based evaluation, a reputation module 106 to update provider trust scores based on verified outcomes and cryptographically signed feedback, a privacy preserving computation module 107 to evaluate dataset contributions without exposing raw data using cryptographic techniques, a privacy budget manager module 108 to enforce differential privacy constraints for interactive queries, and a marketplace interface 109 configured to support dataset discovery, transaction initiation, reward allocation, and audit visibility.

Disclaimer: Curated by HT Syndication.