ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,838, issued on June 17, was assigned to SAP SE (Walldorf, Germany).

"Machine learning based information extraction" was invented by Subhadeep Khan (Bangalore, India) and Vidhya R Shetty (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Computer-readable media, methods, and systems are disclosed for applying machine learning mechanisms to classify and validate documents based on expense rule sets and external data validation services. Document images associated with expenses are received in connection with a reimbursable event. For each received document image data associated with the received document image is transmitted to an optica...