ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,831, issued on June 3, was assigned to Castle Global Inc. (San Francisco).

"Automated detection of content generated by artificial intelligence" was invented by Dmitriy Karpman (San Francisco), Ryan Weber (San Francisco) and Kevin Guo (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, at a first time, a computing system receives a classification request specifying query content. The system executes a first pre-trained AI-generated content classifier in the set of AI-generated content classifiers on the query content to compute a set of confidence scores proportional to predicted probabilities that the query content inc...