The Ninth Circuit affirmed summary judgment for Tyco Health Care Group on claims that it violated sections 1 and 2 of the Sherman Act via anticompetitive contracts and other bad acts in the market for pulse oximetry sensors and monitors.  Tyco tied discounts to buying items from it and came out with a new product on which it secured a patent.  Neither broke the law, the court held.   Allied Orthopedic Appliances Inc. v. Tyco Health Care Group LP, No. 09-56314 (9th Cir. Jan. 6, 2010).