EPO published patent application EP3796186A1 titled 'METHODS AND APPARATUS FOR A DISTRIBUTED DATABASE WITHIN A NETWORK' filed by Hedera Hashgraph, LLC (inventor Leemon C. Baird). The patent covers distributed database technology including IPC classifications G06F 16/27 (distributed databases), G06Q 20/06 (blockchain/financial transactions), G06F 21/64 (data integrity/security). Protection extends to 31 designated states including all EU member states plus Switzerland, the UK, Norway, and Turkey.

Technology companies developing distributed ledger, blockchain, or cryptocurrency solutions should review this patent to assess potential freedom-to-operate concerns in the EU. Competitors in the distributed database space should evaluate whether their products or methods may infringe claims. The patent grants exclusivity effective from the filing date for the designated territories.