The Dutch-owned conglomerate Koninklijke Philips is already fighting personal injury lawsuits and potential class actions alleging its breathing machines used for sleep apnea cause health problems—from infection to cancer. Now the company is facing a lawsuit from another business seeking in excess of $200 million in damages.

SoClean Inc. today filed a federal lawsuit this week in the U.S. District Court for the District of Massachusetts against Philips, maker of continuous positive airway pressure (CPAP) and bi-level positive airway pressure (BiPAP) devices. The complaint accused Philips of shifting blame for its own design defects onto the company that makes a product that can clean the equipment enough to mitigate the damage.