A group calling itself “Minnesota Apple Growers for Free Trade” is initiating a lawsuit against the University of Minnesota, Pepin Heights, and other individuals associated with the development of SweeTango apple and the creation of a related license agreement that gives a Pepin Heights-headed cooperative the exclusive rights to commercially produce the apple. For the pleasantly straightforward “Communication to All Apple Growers” that details the grounds of the lawsuit, download this PDF. For background on the SweeTango, read the our detailed story on the apple’s development and marketing.