Kaneka Corp. v. Xiamen Kingdomway Grp. Co.

1. Whether the Federal Circuit’s “waiver” rule—which precludes a party from challenging a claim construction that was not necessary to the judgment in a prior appeal—is consistent with this Court’s precedent and the principles of issue preclusion. 2. Whether the Federal Circuit’s “waiver” rule—which precludes a party from challenging a claim construction that was not necessary to the judgment in a prior appeal—is consistent with the law-of-the-case doctrine.