He also noted in a patent filing that the process allowed the blue-screen procedure to cope with glassware, cigarette smoke, blowing hair and motion blur which had all caused problems for earlier efforts.
No, not as in the sense of the title to this blog, but in the sense that if someone patents a blue telephone you cannot then gain a further patent for a red one.
Marked by a patently obvious blue button, the new addition serves up relevant prior art results by using key phrases from a patent's text and putting them together in a search query.