ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,404, issued on Oct. 14, was assigned to FOURSQUARE LABS INC. (New York).

"Method and apparatus for enabling an application to detect specified circumstances" was invented by Bradley Geilfuss (Los Angeles), Chris Bleakley (Los Angeles), Arthur Wolf (Los Angeles), Evan Gamble (Los Angeles), Wesley Henderson (Los Angeles), Chen Guo (Los Angeles), Yajia Yang (Los Angeles) and Boris Shimanovsky (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided that may be utilized to detect occurrence of one or more specified circumstances. A determination may be made as to whether one or more specified circumstances are detecte...