ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,772, issued on Dec. 9, was assigned to CITIBANK N.A. (N.Y.).

"Layered multi-prompt engineering for pre-trained large language models" was invented by William Franklin Cameron (Jacksonville, Fla.), Miriam Silver (Tel Aviv, Israel) and Manjit Rajaretnam (Irving, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for constructing layered prompts to operate as input into a pre-trained large language model (LLM). The method involves obtaining a set of application domains in which the LLM will be used. Using these application domains, a set of guidelines is determined, defining operation boundaries for the LLM. A set of layers is dete...