Sturm responds that the Quanta test was formulated to address an exhaustion issue based on the sale of unpatented items and therefore is not applicable here. Sturm argues that use of Keurig's brewers with a non-Keurig cartridge cannot constitute infringement because Keurig's authorized sale of those brewers, which are covered by the asserted patents, exhausted Keurig's rights. We agree with Sturm that Keurig's method claims were exhausted.