It looks like there's a minefield of patents granted post-1995[0]; and so which enjoy a 20-year term of protection. I can't see why any protection is necessary

It looks like there's a minefield of patents granted post-1995[0]; and so which enjoy a 20-year term of protection. I can't see why any protection is necessary. 0: https://news.ycombinator.com/item?id=12344059 https://news.ycombinator.com/item?id=12344059