Blockchain Consent Tracking for Consumer Data Supply Chain

ChangeBridge: EPO Bulletin - Networking (H04L)

Published March 25th, 2026

Detected April 1st, 2026

Summary

European Patent Office published patent application EP3850789A1 by LiveRamp, Inc. covering blockchain-based consent tracking systems for consumer data supply chains. The invention enables verifiable consent provenance using distributed ledger technology across complex data ecosystems.

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What changed

The EPO published LiveRamp, Inc.'s patent application EP3850789A1 for a blockchain-based consent tracking system enabling verifiable consent provenance across consumer data supply chains. The system uses distributed ledger technology to record and verify consent events with cryptographic security across multiple parties. Designated states include all major European Patent Convention member states.

Patent publications do not create compliance obligations. Entities developing consent management or blockchain-based data tracking systems may reference this patent for prior art considerations. No action is required as this is an IP publication rather than a regulatory requirement.

Source document (simplified)

← EPO Patent Bulletin

CONSENT PROVENANCE AND COMPLIANCE TRACKING OVER A COMPLEX CONSUMER DATA SUPPLY CHAIN USING BLOCKCHAIN DISTRIBUTED LEDGER

Publication EP3850789A1 Kind: A1 Mar 25, 2026

Applicants

LiveRamp, Inc.

Inventors

HSY, Joe, LEUNG, Tsz Ling, Christina, LEBARON, Matt, COLEMAN, Arthur

IPC Classifications

H04L 9/32 20060101AFI20220509BHEP G06F 16/903 20190101ALI20220509BHEP G06F 21/60 20130101ALI20220509BHEP G06F 21/62 20130101ALI20220509BHEP H04W 12/02 20090101ALI20220509BHEP H04W 12/08 20210101ALI20220509BHEP H04W 12/10 20210101ALI20220509BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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