U.S. Patent 11170092 was awarded to UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA) on November 09, 2021 and is entitled “Document authentication certification with blockchain and distributed ledger techniques.” The first named inventor is Minya Liang of Redmond, WA. The abstract contains an overview of the patent disclosure:

Embodiments are described herein for document authentication certification using information stored on a distributed ledger such as a blockchain. A distributed ledger may securely store document data describing the document. Use of a distributed ledger may provide an immutable, readily auditable record of the history of the document. Each user participating in the system may be assigned a unique identifier to be used for conducting transactions on the distributed ledger network. A user may also be provided with a digital security token such as a cryptographic key that is useable to authenticate the user and enable access to the document data stored on the distributed ledger(s). Link to Full Patent

This blockchain patent was originally filed on May 02, 2018  as U.S. Patent Application 15/969506 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11170092. The assistant examiner was Andrew Suh.

UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA), who is the original assignee of this patent, has at least 1657 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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