Jepson claim

An improvement-patent claim characterized by a preamble setting forth the current state of the art, followed by the phrase “the improvement comprising” and a description of the claimed patentable improvement. • The name comes from Ex parte Jepson, 1917 C.D. 62, 243 O.G. 526 (Ass’t Comm’r Pat. 1917) in which this type of claim was […]