USITC institutes Section 337 investigation into wearable breast pumps and milk storage containers

The U.S. International Trade Commission instituted an investigation under section 337 of the Tariff Act of 1930 on a complaint filed August 20, 2026 by Willow Innovations, Inc. of Mountain View, California and Willow Blossom HoldCo Ltd. of the United Kingdom. The complaint alleges that imports and sales of certain wearable breast pumps, associated milk storage containers, and components thereof infringe claims of U.S. Patent No. 11,660,380, U.S. Patent No. 12,370,292, U.S. Patent No. D1,053,344, U.S. Patent No. 11,813,388 and U.S. Patent No. D1,031,993, and that a U.S. industry exists or is being established. The complainants request a limited exclusion order and cease and desist orders after the investigation.