In cxLoyalty, Inc. v. Maritz Holdings Inc., Appeals 2020-1307, -1309 (Fed. Cir. Feb. 8, 2021), the Federal Circuit affirmed a PTAB final written decision in a CBM proceeding canceling Maritz's original claims related to a GUI for a customer loyalty program, as ineligible for patenting under 35 U.S.C. § 101. The PTAB had granted Maritz's request to substitute amended claims, but the court reversed, concluding those claims also are ineligible under section 101. Customer loyalty programs were known before the invention of the patent (the '087 patent). In those programs, a customer may be provided "with a limited listing of rewards from selected redemption vendors in the form of merchandise,