Defendants-Appellants Beyond Innovation Technology Company Limited (“BiTEK”), SPI Electronic Company Limited and FSP Group (collectively, “SPI/FSP”), and Lien Chang Electronic Enterprise Company Limited (“Lien Chang”) appeal a final judgment by the United States District Court for the Eastern District of Texas. O2 Micro Int’l Ltd. v. Beyond Innovation Tech. Co., No. 2:04-CV-32 (E.D. Tex. Mar. 21, 2007). A jury found that Defendants-Appellants willfully induced the infringement of claims 1, 15, 35, and 39 of U.S. Patent No. 6,259,615 (“the ’615 patent”), claims 12 and 16 of U.S. Patent No. 6,396,722 (“the ’722 patent”), and claims 13, 16, and 17 of U.S. Patent No. 6,804,129 (“the ’129 patent”), all of which are owned by Plaintiff-Appellee O2 Micro International Ltd. (“O2 Micro”). The district court entered a final judgment and permanent injunction. For the reasons explained below, we vacate and remand for further proceedings.