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Post-Filing, Pre-Institution Merger Time-Bars Inter Partes Review, PTAB Litigation Blog
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In Power Integrations v. Semiconductor Components, the Federal Circuit ruled that privy and real-party-in-interest (RPI) relationships arising after a petition is filed but before institution may bar institution under section 315(b). In that decision, the Federal Circuit also upheld an exception to issue preclusion arising from another inter partes review (IPR).