Inventive Concept and Obviousness
One of the most difficult concepts to define in patent law is the inventiveness or obviousness of an invention. To be valid, a patent must have claims directed to an invention that is non-obvious – i.e. is inventive.
Determining whether an invention obvious, at what point in time, to whom, and with what level of effort, all raise complicated evidentiary and legal issues that often have to be analyzed as part of patentability and validity opinions or at trial.
In 2008, the Supreme Court directly addressed the obviousness analysis by describing a four part analysis (Apotex Inc. v. Sanofi-Synthelabo . . . [more]


