February 1, 2018 – Beijing Choice Electronic Technology Co., Ltd. filed a complaint for patent infringement against Contec Medical Systems USA, Inc. on January 31, 2018 in the United States District Court for the Northern District of Illinois. The lawsuit relates to Contec’s allegedly infringing C2 Series fingertip pulse oximeters, a medical device for monitoring a person’s oxygen saturation. The patent at issue is U.S. Patent No. 8,639,308, entitled: “Fingertip Oximeter and a Method for Observing a Measurement Result Thereon.” The complaint has been given Civil Action No. 1:18-cv-00825 (N.D. Ill.).
By: Frederick C. Millett