When does the absence of evidence turn into evidence of absence, and when does such absence amount to an adequate written description of the absence of a step of a method claim? This.
There are some cases where the Federal Circuit makes its decision based on the eternal verities of patent law (insofar as there are any eternal verities in patent law). One such.
Under U.S. law, every patent claim must be supported by an adequate written description, which conveys to those skilled in the art the nature and breadth of the invention. The Federal.
As is well-known, Congress established the Federal Circuit as a circuit court of appeals to harmonize U.S. patent law in an environment where regional Circuit Courts had developed their.