ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,154, issued on Sept. 8, was assigned to Notion Labs Inc. (San Francisco).

"Unified contact database system with customizable multi-source data integration" was invented by Arpeet Kale (San Jose, Calif.), Guangyu Zhang (San Francisco) and Nishil Shah (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for managing contacts and tracking communication activities includes a database that obtains contact information from multiple sources including electronic communications. Multiple attributes are stored for each contact while deduplicating contact information and enabling sharing across accounts. Interactions are monitored by logging ...