I thought you meant 'original' inventor, not just independant invention. Also it makes sense that most cases would point to independant invention, as if a busi

I thought you meant 'original' inventor, not just independant invention. Also it makes sense that most cases would point to independant invention, as if a business stole it they'd have every reason to believe they'd get caught... maybe. My point is that if independant invention was a successful defence then perhaps 'everyone' would use it and most patents wouldn't work at all.