It's not the idea of RAW that's being patented, but rather components of "Red RAW" that includes things like compressing before debayering, as the other commen

It's not the idea of RAW that's being patented, but rather components of "Red RAW" that includes things like compressing before debayering, as the other comment points out. I also remember hearing something about Red having a patent on directly recording to swappable SSDs or something ridiculous like that as well..