Many argue that Apple has their finger on the pulse of technology trends. This claim may be more literal than originally anticipated. A cardiologist is currently suing Apple for stealing his Atrial fibrillation (AFib) detection technology and using it in Apple Watches.
Dr. Joseph Wiesel is a cardiologist and clinical assistant professor
Source: Hot Hardware – Apple Sued By New York Cardiologist For AFib Detection Patent Infringement In Apple Watch