ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,178, issued on April 15, was assigned to Spotify AB (Stockholm).

"Media content item recommendation system" was invented by Paul Lamere (Boston), Jonathan Marmor (New York), Michelle Ackerman (Boston), Per Lindstrand (Gothenburg, Sweden), Oscar Soderlund (Gothenburg, Sweden), Mattias Johansson (Gothenburg, Sweden), Jacob Colin Waller (Gothenburg, Sweden), Felipe Oliveira Carvalho (Gothenburg, Sweden), Camilla Westraeus (Gothenburg, Sweden) and Michael Ohman (Gothenburg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A media content item recommendation system recommends media content items based on one or more attributes of a seed playlist. The...