U.S. Patent 11140133 was awarded to CISCO TECHNOLOGY, INC. on October 05, 2021 and is entitled “Layer 7 proxy for immutable application audit trails.” The first named inventor is David Ward of Somerset, WI. The abstract contains an overview of the patent disclosure:

A system is provided comprising one or more application layer audit proxies arranged to obtain application layer network traffic sent in a network. Each of the application layer audit proxies configured to: receive application layer network traffic sent as part of a communication session between a producer entity and a consumer entity; record information about the application layer network traffic to an audit log in a distributed permissioned database comprising a blockchain of immutable data blocks; and forward the application layer network traffic to the producer entity or to the consumer entity. Link to Full Patent

This blockchain patent was originally filed on April 13, 2018  as U.S. Patent Application 15/952412 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11140133. The assistant examiner was Leynna Truvan.

CISCO TECHNOLOGY, INC., who is the original assignee of this patent, has at least 16856 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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