I don't think the article does the case justice. If you look at the holding, the Court just says that all invalidity defenses must be established by "clear and convincing evidence" (higher than preponderance of evidence but lower than beyond a reasonable doubt.) It has been well-established that patent validity is a basic assumption. So, a plaintiff must prove patent invalidity by clear and convincing evidence. The i…
Except for the fact that the PTO isn't an adversarial system. It would be different if prior to you getting a patent you had to go to court against companies who think you shouldn't have it. And now that you have a patent and sue somebody, this other person may be able to put together some evidence that shows the patent is invalid, but they must climb a very high bar now. In this case MS had prior art in a past i4i p…
So, this case just makes things equal between the plaintiffs and defendants. Once the plaintiffs do overcome the admittedly-high obstacle of proving invalidity, the defendant can't just put up a weak defense and get away with it. That's good!
Your problem with the patent system is completely valid, but the Supreme Court can't change law (or is not supposed to). Congress is the one who is responsible for this quagmire, not the Court.
The whole patent system is broken, and this case improves things by a nanogram (is that a word?)./