Exergen Corporation filed a patent infringement lawsuit against Microlife Corporation in the U.S. District Court of Massachusetts, claiming Microlife infringed on Exergen's infrared thermometer technology without consent. The lawsuit seeks monetary compensation and an injunction prohibiting Microlife from using the technology, according to reports of a patent filing by Exergen against the Taiwanese medical equipment manufacturer for unlawfully using its patented infrared thermometer design.