U.S. Patent 11025417 was awarded to Baidu Online Network Technology (Beijing) Co., Ltd. on June 01, 2021 and is entitled “Cross-blockchain data access method, apparatus and system, and computer readable medium.” The first named inventor is Feng Li of Beijing, . The abstract contains an overview of the patent disclosure:

The present disclosure provides a cross-blockchain data access method, apparatus and system, and a computer readable medium. The method comprises: sending an authorizing blockchain apparatus a block data request carrying a requesting blockchain apparatus identifier and authorization information, so that the authorizing blockchain apparatus verifies whether the authorization information corresponding to locally-stored requesting blockchain apparatus identifier is matched with the authorization information in the block data request; receiving block data sent by the authorizing blockchain apparatus and corresponding to the block data request, the block data being sent after the authorizing blockchain apparatus verifies that the authorization information corresponding to locally-stored requesting blockchain apparatus identifier is matched with the authorization information in the block data request. According to the present disclosure, through an authorization mechanism, namely, the authorizing blockchain apparatus’s authorization for the requesting blockchain apparatus, the requesting blockchain apparatus may be enabled to access the block data of the authorizing blockchain apparatus according to the authorization information, thereby finally achieving cross-blockchain data access. The cross-blockchain data access according to the present disclosure does not require manual participation and exhibits a higher access efficiency. Link to Full Patent

This blockchain patent was originally filed on November 15, 2018  as U.S. Patent Application 16/192642 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11025417. The primary examiner was Kevin Bechtel.

Baidu Online Network Technology (Beijing) Co., Ltd., who is the original assignee of this patent, has at least 637 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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