There are outliers (Genentech, Stryker, Medtronic, DePuy, etc.) when looking at the share of "Royalty or License" payments. And what the graph doesn't show is

There are outliers (Genentech, Stryker, Medtronic, DePuy, etc.) when looking at the share of "Royalty or License" payments. And what the graph doesn't show is how these companies are related. Who owns who? Who's independent and who isn't?