ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,836, issued on April 15, was assigned to HiddenLayer Inc. (Austin, Texas).
"Canonicalization of unicode prompt injections" was invented by Kenneth Yeung (Ottawa) and Jason Martin (Beaverton, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prompt for a generative artificial intelligence (GenAI) model is received which includes unicode. Unicode fonts in the prompt are identified and then translated into a plaintext representation. Further, unicode characters in the prompt are identified which each have an associated unicode tag. It is determined, based on the associated unicode tags, whether at least a portion of the unicode characters are valid....