Apple Fights to Block Masimo’s New Watch on Heels of Import Ban

While Apple Inc. pulled every available lever to fight an import ban of its flagship Apple Watch models, the company also has been working to stymie Masimo Corp.’s looming launch of its Freedom watch.

Masimo, a maker of medical technologies, calls the Freedom “a more elegant smartwatch” that includes the patented blood-oxygen measurement technology at the heart of the long-running patent and trade secrets fight between the companies.

Apple ramped up the rhetoric in its own pending patent-infringement suits against its smaller rival before the Federal Circuit denied Apple’s bid to pause enforcement of the US International Trade Commission’s late-October ...