"[...] The US Supreme Court may be about to rewrite some of the fundamental rules of innovation in the US, as it considers a handful of cases that could change the course of intellectual property law and undermine the value of patents owned by domestic and foreign companies.
[...]
The court has three cases before it and a fourth that could arrive soon, which test some of the most fundamental tenets of US patent jurisprudence. Which country's courts should decide patent disputes that cross borders? What can be patented in the first place? How obvious must an invention be to forfeit patent protection? And should challengers in patent infringement suits - even those who are not using the patent to produce anything - be allowed to shut down defendants whose products depend on many patents? [...]"