U.S. Patent 10509891 was awarded to CISCO TECHNOLOGY, INC. on December 17, 2019 and is entitled “Method and system for content and service sharing.” The first named inventor is Hillel Solow of Beit Shemesh, . The abstract contains an overview of the patent disclosure:

In one embodiment, an instruction is received at a blockchain server from a first digital rights management (DRM) client, the instruction including an instruction to transfer a DRM license to an encrypted content item to a second DRM client. A block to be recorded in a blockchain, is created, the block including a content item ID of said encrypted content item, one of a device ID of a device including the second DRM client or a user ID of a user of the second DRM client, DRM license information for said DRM license, and a DRM decryption key for decrypting said encrypted content item. The block is recorded in the blockchain. A confirmation message is sent to the second DRM client confirming that the block was written to the blockchain. Related systems, methods, and apparatuses are also described. Link to Full Patent

This blockchain patent was originally filed on May 03, 2017  as U.S. Patent Application 15/585194 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10509891. The primary examiner was Harris C Wang.

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 1 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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