ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,390, issued on Sept. 15, was assigned to Notion Labs Inc. (San Francisco).

"Search labeling system for enhanced content indexing and retrieval" was invented by Matthew Weidner (San Francisco), Stephan Boyer (San Francisco), Michael Kuo (Long Island City, N.Y.), Benjamin Schley Hughes (Brooklyn, N.Y.), Fabricio Pontes Harsich (San Francisco) and Emma Yuchen Guo (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system creates a block within a digital workspace. The block includes text that is assigned a text instance identifier (ID). The system can store a single conflict-free replicated data type (CRDT) text slice tree for the block, w...