The U.S. Court of Appeals for the Federal Circuit (CAFC) today issued an order denying MaxPower Semiconductor, Inc.’s appeal and Petition for Writ of Mandamus with respect to the Patent Trial and Appeal Board’s (PTAB’s) decisions to institute ROHM Semiconductor USA, Inc.’s petitions for four inter partes review (IPR) proceedings of MaxPower patents. The five-page Order was authored by Judge Reyna over a 17-page partial dissent by Judge O’Malley. The majority first explained that a decision to institute IPR is non-appealable under 35 U.S.C. §314(d), which plainly “confirms the unavailability of jurisdiction” for the CAFC to hear the direct appeals. Section 314(d) also presents a challenge to the mandamus petition, said the court, because MaxPower did not meet the criteria necessary to invoke the “collateral order doctrine.”

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