Panel: Judges Taranto, Chen, and Stoll, with Judge Chen writing the opinion You should read this case if: you want to better understand the preclusive effect (or lack thereof) of contingent findings and alternative holdings. In this week's featured case, the Federal Circuit resolved an interesting case where a patent-owner appellant appealed a district court judgment holding its patent claims invalid but asked the Federal Circuit to affirm invalidity. That perhaps surprising situation arose because the district court's opinion supporting its judgment appeared to address multiple invalidity grounds, and the patent owner was seeking to protect against potential preclusive effects of some of those grounds. Ultimately, though,