ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,538, issued on May 27, was assigned to Hotjar Ltd (Paceville St Julian's, Malta).

"Interactive heatmaps for websites" was invented by Clint Calleja (Paris), Jacob Holloway (Barcelona, Spain), Luke Camilleri (Paris), Stephanie Mifsud (Paris), Erik Naslund (Paris), Katerina Asimoglou (Ptolemaida, Greece), Abdulrahman Assabri (Cairo), Adam Mortka (Paris) and David Berliner (Cape Town, South Africa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for generating heatmap overlays, for presentation with interactive web pages of websites are described. Consistent with embodiments, client-side scripting is used to obtain heatmap data (derived from w...