The U.S. Court of Appeals for the Federal Circuit (CAFC) today issued a precedential decision affirming the Patent Trial and Appeal Board (PTAB) on two mixed inter partes review (IPR) decisions involving American National Manufacturing and Sleep Number Corp. that found some, but not all, of the challenged claims not unpatentable. The IPRs on appeal involve U.S. Patent Nos. 8,769,747 and 9,737,154. They “describe systems and methods that purport to adjust the pressure in an air mattress ‘in less time and with greater accuracy’ than previously known.” American National filed IPR petitions challenging many claims of both patents and asserting that most of the challenged claims would have been obvious over various prior art references.

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