The PTAB recently handed down two consequential inter partes review decisions that emphasize the importance of the stated function for an agent specified in the claims. In particular, the PTAB held that glucose, which is a component of an anticoagulant used in the prior art, is not “an agent that inhibits cells lysis” simply because … Continue Reading
Anticipation of a claim generally requires that a single prior art reference explicitly discloses each and every claim element.[1] However, absent an express teaching in the prior art, a claim may also be anticipated if it is directed to a member of a limited class that a person of ordinary skill in the art would … Continue Reading
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.[1] The Federal Circuit recently decided two cases that found that claiming both a quantitative value and a quantitative range requires particular clarity in the disclosure. In … Continue Reading