https://grouponvouchersettlement.com...aimOnline.aspx

If you purchased or received a Groupon Voucher issued during the time period from November 1, 2008 until December 1, 2011 you qualify. Valid for these states: Arkansas, California, Connecticut, Florida, Hawaii, Illinois, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New Jersey, New Mexico, North Dakota, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, Tennessee, Vermont, Washington.