The Federal Circuit Finds Functionally-Based Genus Claims to Be Invalid for Lack of Written Description
A recent Federal Circuit case shows that broad, functionally-defined genus claims are susceptible to written-description invalidity challenges. In AbbVie Deutschland GmbH & Co. v. Janssen Biotech, Inc. et al., the Federal Circuit affirmed a jury verdict invalidating a patent, finding that there was substantial evidence to conclude that the claims failed to meet the Patent…