U.S. Patent 10530756 was awarded to Sprint Spectrum L.P. on January 07, 2020 and is entitled “Profile-deletion control for an embedded universal integrated circuit card.” The first named inventor is Simon Youngs of Overland Park, KS. The abstract contains an overview of the patent disclosure:

An eUICC is configured with one or more master delete keys each allowing an associated level of profile-deletion access for deleting one or more profiles from the eUICC, and the eUICC is configured to control profile-deletion access in accordance with the one or more delete keys. For instance, one delete key could allow deletion of any or all profiles on the eUICC including any operational profiles (e.g., MNO profiles) and any non-operational profiles. Whereas, another delete key could allow deletion of any or all operational profiles but not any non-operational profiles. Further, a blockchain protocol could be used to securely convey such a delete key from one party to another, helping to establish chain of custody of the delete key. Link to Full Patent

This blockchain patent was originally filed on January 16, 2018  as U.S. Patent Application 15/872808 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10530756. The primary examiner was Daniel A Hess.

Sprint Spectrum L.P., who is the original assignee of this patent, has at least 2097 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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