Federal Circuit Affirms PTAB Interference Decision Based on Claim Construction; Newman Dissents

On November 4, the United States Court of Appeals for the Federal Circuit (CAFC) affirmed a decision of the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB), concluding that the PTAB did not err in its construction of a disputed claim limitation and affirming the PTAB’s judgment in favor of the University of Wyoming Research Corporation (Wyoming). Chevron U.S.A, Inc. v. University of Wyoming Research. Circuit Judge Newman wrote a separate dissenting opinion, arguing that the PTAB “erred at the threshold,” and there was no interference in fact.

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