Samsung Electronics Co Ltd's US unit is facing a proposed class action lawsuit from three Galaxy Note 7 customers, according to a filing in a federal court in Newark, New Jersey.
The complaint against Samsung Electronics America Inc seeks to represent a nationwide class of Note 7 customers in Nevada, Pennsylvania and California.
The world's top smartphone maker last week permanently ended sales of the fire-prone Note 7 smartphone less than two months after its launch.
Samsung announced the recall of 2.5 million Note 7s in early September following numerous reports of the phones catching fire in what could be one of the costliest product safety failures in tech history.
A spokeswoman for Samsung Electronics America declined to comment on the pending litigation.