ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,791, issued on Dec. 2, was assigned to Google LLC (Mountain View, Calif.).

"Contextual biasing with text injection" was invented by Tara N. Sainath (Jersey City, N.J.), Rohit Prakash Prabhavalkar (Palo Alto, Calif.), Diamantino Antonio Caseiro (Philadelphia), Patrick Maxim Rondon (New York) and Cyril Allauzen (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving context biasing data that includes a set of unspoken textual utterances corresponding to a particular context. The method also includes obtaining a list of carrier phrases associated with the particular context. For each respective unspoken textual ...