ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,291, issued on June 10, was assigned to INTUIT INC. (Mountain View, Calif.).

"Spam prevention using vector-based text similarity comparisons across multiple time windows" was invented by Liran Dreval (Mountain View, Calif.), Itay Margolin (Petah Tikva, Israel), Meghan Mergui (Ramat Gan, Israel) and Aviv Ben Arie (Ramat Gan, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure relate to detecting spam messages. Embodiments include creating condensed vector representations of messages; calculating similarity scores for each message relative to other messages using the vector representations; associating messages of t...