The Federal Circuit issued a precedential opinion in In re: Xencor, Inc.concerning written support for Jepson claims. The decision affirms the decision of the Appeals Review Panel (ARP) of the USPTO, which held that the...more
Federal Circuit Holds That the Preamble of Jepson-Style Claims Must Be Supported by an Adequate Written Description - U.S. patent claims have a preamble, and, in most cases, the preamble is not limiting. Jepson-style...more