Fed. Circ. Says Exergen Thermometer Patents Survive Mayo

Law360 (March 8, 2018, 7:31 PM EST) -- The Federal Circuit on Thursday upheld a decision that Exergen Corp.'s forehead thermometer patents are not invalid for claiming laws of nature, though it found that only one of the two patents was infringed by Kaz USA Inc. and vacated a $15 million damages award.

The 2-1 decision is a relatively rare instance in which diagnostic patents have been upheld by the Federal Circuit after being challenged under the U.S. Supreme Court's 2012 Mayo v. Prometheus decision that patents claiming nothing more than laws of nature...
To view the full article, register now.




Case Information

Case Title

Exergen Corporation v. Kaz Usa, Inc.

Case Number



Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Question)

Date Filed

July 11, 2016

Law Firms

Government Agencies


Judge Analytics

Law360 Pro Say Podcast
Check out Law360's new podcast, Pro Say, which offers a weekly recap of both the biggest stories and hidden gems from the world of law.