La Crescent was invented by University of Minnesota researchers James Luby[10] and Peter Hemstad.[11] The Regents of the University of Minnesota was awarded US Patent 14,617[9] in 2004. Those wishing to propagate La Crescent must obtain a license from the U. of MN[8]
^ abUS patent PP14617, Luby, James & Hemstad, Peter, "Grape plant named 'La Crescent'", issued 2004-03-23, assigned to Regents of the University of Minnesota