Breast Pump Maker Willow Sues Elvie for Patent Infringement

Wearable breast pump manufacturer Willow Innovations Inc. sued competitor Chiaro Technologies Ltd. for infringing seven patents for its product.

Willow said that its wearable product revolutionized the breast-milk-pump industry by allowing mothers the ability to pump their breast milk anywhere. Since its inception in 2014, Willow claimed to have provided moms with “industry-leading suction technology.”

Breast pumps prior to creation of the Willow Pump, were cumbersome and conspicuous, the complaint filed Wednesday in the US District Court for the Eastern District of Texas said. But the Willow Pumps are inconspicuous and convenient—they have a natural breast profile, fit inside a ...