Federal Circuit Confirms that Blocking-Patents Can Kill Secondary Considerations

The Federal Circuit recently refused to rehear a panel decision that affirmed a district court’s finding that the existence of a blocking patent negated the patent owner’s argument that commercial success, failure of others, and long-felt but unmet need showed the patents-in-suit were non-obvious. Acorda Therapeutics, Inc. et al. v. Roxane Labs., Inc. et al. (original…