WASHINGTON, D.C. - An Illinois federal judge erred in granting summary judgment that four claims of a digital file archival system are ineligible for patent protection under Section 101 of the Patent Act, 35 U.S.C. 101, but properly rejected four other claims, the Federal Circuit U.S. Court of Appeals concluded Feb. 8 (Steven Berkheimer v. HP Inc., No. 17-1437, Fed. Cir.).