Judge Connolly issued an interesting opinion this week granting summary judgment of invalidity as to the three patents-in-suit under § 101, despite competing expert testimony regarding conventionality.
A 101 Motion Denied
Similar to Ariosa Diagnostics, Inc. v. Sequenom, Inc., 788 F.3d 1371, 1377 (Fed. Cir. 2015), the patents at issue in CareDx, Inc. v. Natera, Inc., C.A. No. 19-567 (CFC) (CJB), D.I. 183 (D. Del. Sept. 28, 2021) were directed to detecting a natural phenomenon -- here cfDNA in blood that signified a likely transplant rejection. The dispute between the parties thus largely focused on step two of the Alice framework and whether the method described in the patent was merely the application of well-known …