The Court of Appeals for the Federal Circuit (a) overruled the U.S. Patent and Trademark Office (PTO) Patent Trial and Appeal Board (PTAB) finding that the use of inherency in the context of obviousness must be carefully circumscribed because that which may be inherent is not … [Read more...] about Inherent Prior Art Feature Must Show Specific Percent Limitation and Claimed Percent Must Be Unexpected in Prior Art