US Patent Issued to Equity Shift on Nov. 4 for "Anti-leak digital document marking system and method using distributed ledger" (North Carolina Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,321, issued on Nov. 4, was assigned to Equity Shift Inc. (Raleigh, N.C.).

"Anti-leak digital document marking system and method using distributed ledger" was invented by Thomas Marshall Gordon III (Raleigh, N.C.) and Gregory Frederick Bush (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system is disclosed for visual marking sensitive documents for leak prevention. Each time an action is taken with regard to a document (e.g., creation, viewing, downloading), that action is added to a distributed ledger, essentially creating a unique hash for a new instance of the document. This new hash is visually embedded in the document as a code co...