ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,882, issued on Nov. 4, was assigned to Klaviyo Inc (Boston).

"Determining a condition of network communication between servers by detecting changes in sub-user data" was invented by Lilia Staszel (Cambridge, Mass.), Olof Jacobson (London) and Harsh Mehta (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, methods, and systems for detecting changes in periodic sub-user behavior data for determining a condition of a network are disclosed. One method includes sensing the user data of sub-users, calculating a plurality of thresholds based on a size of the user data, calculating a rolling mean for each sub-period of a larger period, genera...