U.S. Patent 11122500 was awarded to CISCO TECHNOLOGY, INC. on September 14, 2021 and is entitled “Using a blockchain for optimized fast-secure roaming on WLANs.” The first named inventor is Shankar Ramanathan of Richardson, TX. The abstract contains an overview of the patent disclosure:

In one embodiment, a device receives data regarding a wireless client attempting to form an association with a particular wireless access point in a network. The device queries a blockchain ledger in a blockchain database for wireless roaming data regarding the wireless client. The device uses, when available from the blockchain ledger, the roaming data regarding the wireless client to complete the association between the wireless client and the particular wireless access point. The device updates the blockchain ledger with data regarding the association between the wireless client and the particular wireless access point. Link to Full Patent

This blockchain patent was originally filed on January 16, 2018  as U.S. Patent Application 15/872081 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11122500. The assistant examiner was Sudesh M Patidar.

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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