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Blockchain patent classes that deserve attention

Güncelleme tarihi: 4 Kas 2019

Blockchain has been receiving the hype it deserves in patent field. We have reviewed patents with the keyword “blockchain” to discover common areas of use. Blockchain patent classes can be categorized under several CPC classes. We have picked G06Q20, H04L9/3247, H04L2209/56, H04L9/30 classes.


G06Q20 Group represents Payment Protocols. Patent applications that involve blockchain in payment protocols have grown more than double between 2016 and 2017. (112 patents published in 2017) 47 patents have been filed in 2018 so far. Mastercard has the the highest number of patents (17). The Highest occurrence of keyword has been in the patent “Method and System for Linkage of Blockchain-based Assets to Fiat Currency Accounts”. As a summary it involves the use of existing payment systems for blockchain to increase its transaction speed. NChain Holdings a company based in London and Vancouver is dedicated to Research and Development activity in blockchain also holds a significant number of patents.


Digital Signature is another area of use.(H04L9/3247) Its patent volume have grown 6 times since 2016–2017. In addition to Mastercard and Nchain, Chronicled company has one of the highest volume of patents focusing on securing and authenticating exchange of physical assets in the supply chain.


Nchain Holdings holds the highest number of patents in the field of Electronic payments and e-money class (H04L2209/56).