Inogen Sued for Infringing Wearable Ventilator Patent (1)

April 1, 2020, 2:09 PMUpdated: April 1, 2020, 4:20 PM

An Inogen Inc. brand of noninvasive ventilators allegedly infringes a patent owned by Breathe Technologies Inc., according to a complaint filed in California federal court.

Inogen bought a company that made the infringing ventilators, created by former Breathe employees, after Breathe rebuffed Inogen’s offers to buy it, the Tuesday complaint said.

Breathe said it developed “the first truly wearable ventilator system,” used by patients suffering from respiratory conditions such as COPD. It said its technology covers a less-invasive form of mechanical ventilation therapy that allows the patient to remain mobile and “engage in activities of daily living.” U.S. Patent No. ...

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