U.S. Patent 10992459 was awarded to Advanced New Technologies Co., Ltd. on April 27, 2021 and is entitled “Updating a state Merkle tree.” The first named inventor is Zhonghao Lu of Hangzhou, . The abstract contains an overview of the patent disclosure:

Implementations of the present specification provide a method for updating a state Merkle tree, where the state Merkle tree is used to store a state of an account in a blockchain network. The method includes: accessing data related to a state Merkle tree that stores a state of an account in a blockchain network; determining to-be-updated nodes that need to be updated in the state Merkle tree due to a state change of the account; extracting one first subtree and M second subtrees from the state Merkle tree based on the to-be-updated nodes; allocating the M second subtrees to N worker threads, wherein two or more of the N worker threads process in parallel the M second subtrees to obtain each updated second subtree; and updating at least the first subtree based on hash values of root nodes of the updated second subtrees, to obtain an updated state Merkle tree. Link to Full Patent

This blockchain patent was originally filed on January 31, 2020  as U.S. Patent Application 16/779455 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10992459. The primary examiner was Jahangir Kabir.

Advanced New Technologies Co., Ltd., who is the original assignee of this patent, has at least 1031 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.

Select IP monitors top patents and patents which have been allowed and granted worldwide. We are experts in patent law with experience blockchain technology and IP law and intellectual property law as it pertains to blockchain technology and cryptocurrency patents. If you are interested in connecting with an IP law attorney or patent law attorney, please contact us via the contact form.

Patentability Searches – Determine the patentability of your inventions.
Freedom to Operate Searches & Opinions – Identify patents may give you potential infringement issues (including in the recording, communication or information retrieval equipment field).
Non-Infringement Opinions – Determine if your product infringes a competitor’s patent.
Patent Invalidity Searches & Opinions – Find prior art to invalidate a competitor’s patent.
U.S. Provisional Patent Applications – Receive cost-effective “patent pending” status for your invention.
U.S. Non-Provisional Patent Applications (Utility) – Apply for patent protection on the structural and functional aspects of your invention.
U.S. Design Patent Applications – Apply for patent protection on the ornamental appearance of your invention.