U.S. Patent 10574453 was awarded on February 25, 2020 and is entitled “System and computer program product for certified confidential data collaboration using blockchains.” The first named inventor is Ranjit Notani of Plano, TX. The abstract contains an overview of the patent disclosure:

A method for providing certified confidential data collaboration between untrusted parties, including creating a changeset proposal remotely performing a certified operation and passing the changeset proposal to the certified operation, creating a unique changeset reference validating the changeset proposal and creating a state-at-changeset structure extracting a section-state-at-changeset structure from the changeset proposal, performing a cryptographic hash of the state-at-changeset structure and the section-state-at-changeset structure, writing to a local transactional database a changeset fat twin record communicating a changeset reference notification for each fat twin record to the parties, performing a certified operation in a blockchain a certified thin twin smart contract and passing the changeset reference, the cryptographically hashed state-at-changeset structure and the cryptographically hashed section-state-at-changeset structure, validating that a previous certified operation with the same changeset reference does not exist, writing to the blockchain a new thin twin record and performing a proof-of-certified-operation on the thin twin smart contract. Link to Full Patent

This blockchain patent was originally filed on January 10, 2018  as U.S. Patent Application 15/866460 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10574453. The primary examiner was Baotran N To.

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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