ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,809, issued on Sept. 1, was assigned to Klaviyo Inc. (Boston).

"Storing user-defined query logic in a database for filtering entity data" was invented by Joshua Bradt (Cambridge, Mass.) and Anton Rodionov (The Hague, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, methods, and systems for filtering entities within a database based on rules of a user-defined segment definition. One method includes creating data tables for storing user-defined segment definitions in the database, the data tables including the user-defined segment definitions and criteria, receiving new user-defined segment definitions, transforming the new user...