Nike Sues Lululemon for Patent Infringement Over Mirror Fitness Technology

Nike Inc. filed a lawsuit alleging Lululemon Athletica Inc.’s Mirror home-fitness device and applications infringe on the sneaker company’s portfolio of patents.

Nike says the Mirror Home Gym and apps use technology that the sneaker giant invented and patented, including a device that prompts users to exercise, monitors their heart rate and collects data on their activity, among other functions, according to the lawsuit, filed in the Southern District of New York.