Ex Parte Ren Hie Xu Are Cultured Mammalian Cells Natural Products
The Examiner in Appeal no. 2017-003416 (Mar. 1, 2019) had rejected this claim as directed to a natural product: “18. An in vitro culture comprising a substantially pure, replenishable population of synchronous primate trophoblast cells, wherein the…
March 28, 2019Patent Prosecution3 min read