You could make an argument that the MIT license has an "implicit patent grant" due to its wording - check out http://en.swpat.org/wiki/Implicit_patent_licence h

You could make an argument that the MIT license has an "implicit patent grant" due to its wording - check out http://en.swpat.org/wiki/Implicit_patent_licence http://en.swpat.org/wiki/Implicit_patent_licence I don't think much around patents and software is settled, partly because of the reluctance of big players to use software patents.