I mean, beyond this specific issue, it does seem they were infringing on the patent, so he has a right to sue to stop it being sold or get royalties from new an

I mean, beyond this specific issue, it does seem they were infringing on the patent, so he has a right to sue to stop it being sold or get royalties from new and previous sales. I think this tech should be mandatory in all saws, but I also think that one company shouldn't have control over the licensing and it probably shouldn't be something companies have to pay for.