U.S. Patent 10848325 was awarded to Wells Fargo Bank, N.A. on November 24, 2020 and is entitled “Systems and methods for notary agent for public key infrastructure names.” The first named inventor is Phillip H. Griffin of Raleigh, NC. The abstract contains an overview of the patent disclosure:

A method, system, and apparatus for managing digital certificates, managing a certificate authority (CA), and cross-referencing CA heirarchies. The method includes receiving, by a processor of a CA computing system, at least one of a digital certificate generation request and a digital certificate revocation from a user via a user computing device, the digital certificate generation request including a user public key and a user identity. The method further includes generating a digital certificate for the user and signing the digital certificate with a CA private key, wherein the CA private key is associated with a known CA public key. The method further includes publishing the digital certificate signed with the CA private key to a digital certificate blockchain, determining a certificate status of the digital certificate, and publishing an update to the digital certificate blockchain to reflect the certificate status of the digital certificate. Link to Full Patent

This blockchain patent was originally filed on October 30, 2019  as U.S. Patent Application 16/669036 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10848325. The primary examiner was Cheng-Feng Huang.

Wells Fargo Bank, N.A., who is the original assignee of this patent, has at least 1064 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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