> It could take 5 years at university to get it working at all, 5 years as a startup to get the first product to market, 5 years to scale up the marked from zer

> It could take 5 years at university to get it working at all, 5 years as a startup to get the first product to market, 5 years to scale up the marked from zero. Then you only have 5 years left where you actually have a chance to make money. In practice the first 15 years would (and commonly are) simply stretched with continuation patents...