Archive:January 30, 2023

In CareDx, Inc. v. Natera, Inc., the U.S. Court of Appeals for the Federal Circuit held that CareDx’s patent claims to methods of detecting organ transplant rejection were invalid as patent ineligible under 35 U.S.C. § 101.¹ Affirming the district court, the Federal Circuit determined that CareDx’s claims “are directed to a natural law together with conventional steps to detect or quantify the manifestation of that law,”² relying on “admissions” in the patents themselves that the claims recited only “conventional” techniques.’