Blockchain Patents for Innovation Data 3Q 2018 is a custom research of TechIPm, LLC (http://www.techipm.com) based on blockchain patents search in the USPTO database as of 3Q 2018. Total of 1246 patents (published patent applications & issued patents) are identified as blockchain patents indicating blockchain technology innovation activities. Top 10 assignees/applications are IBM, Bank of America, Mastercard, Wal-Mart, TD Bank, Intel, American Express, Accenture, Cognitive Scale, Inc., and Coinbase. The identified blockchain patents are further classified by key technologies for blockchain applications: security, transaction, cryptocurrency, database, smart contract, blockchain network, consensus, decentralized application, and AI.