In the Macronix International Co., Ltd. et al. v. Spansion LLC, the PTAB denied Petitioner’s motion for joinder under Section 315(c). On November 8, 2013, the Petitioner filed a petition for inter partes review of U.S. Patent No. 7,151,027 (“the ‘027 patent”), which was later granted on May 8, 2014. Subsequently, on June 4, 2014, the Petitioner filed a second petition for inter partes review of the ‘027 patent. At that time, the Petitioner also moved to join the two IPR proceedings and proposed a revised schedule in the event its motion for joinder was granted.
The Board explained the factors establishing entitlement to joinder:
As the moving party, Petitioner has the burden of proof in establishing entitlement to the requested relief. 37 C.F.R. §§ 42.20(c), 42.122(b). A motion for joinder should: (1) set forth the reasons why joinder is appropriate; (2) identify any new grounds of unpatentability asserted in the petition; (3) explain what impact (if any) joinder would have on the trial schedule for the existing review; and (4) address specifically how briefing and discovery may be simplified. See Kyocera Corp. v. SoftView LLC, IPR2013-00004, Paper 15, 4 (Apr. 24, 2013).
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