In In re: Xencor, Inc., the US Court of Appeals for the Federal Circuit confirmed that the limiting preamble of a Jepson claim must be supported by the specification with “sufficient written description.” In its decision, the...more
On August 13, 2024, the US Court of Appeals for the Federal Circuit held in Allergan v. MSN that “a first-filed, first-issued, later-expiring claim” cannot be invalidated for obviousness-type double patenting (ODP) “by a...more