Back in the fifties, Kraft Food did not claim to have invented a better mouse trap. But it did boast of having found a better way to make Swiss cheese. So it sued the government for infringing on its patent through its experiments on cheese.
Whose government, you might ask, experiments on cheese? The Great State of Wisconsin’s. Go Cheeseheads!
Thirty years earlier or so, a different court stated that limburger (yes, even limburger) offered for sale must be fit for human consumption.