Background
The appellant, Zhengxu He, appealed a decision by the Patent Trial and Appeal Board affirming an examiner’s rejection of claims one through twenty-two of United States Patent Application number sixteen comma nine hundred ninety-seven comma nine hundred thirty-three. The application covered an automated kitchen system designed to transport and unload ingredient containers between storage and cooking stations. The examiner rejected the claims as obvious in view of a reference known as Buehler and a reference known as He sixty-sixty. The Board affirmed the rejection, and the appellant argued that the Board lacked substantial evidence for its motivation-to-combine finding and violated the Administrative Procedure Act.
The court’s reasoning
The court reviewed the Board’s legal determinations de novo and factual findings for substantial evidence. The court found that the Board had articulated record-supported reasons for combining the references, including benefits such as dependable delivery, minimized space, and reduced labor costs. The court rejected the appellant’s argument that the references were incompatible, noting that the test for obviousness does not require bodily incorporation of features but rather whether the combined teachings would have suggested the invention to a skilled artisan. The court also determined that the Board meaningfully responded to the appellant’s contentions, thereby avoiding an Administrative Procedure Act violation.
What it means going forward
The decision reinforces the Federal Circuit’s deference to the Patent Trial and Appeal Board’s factual findings regarding motivation to combine prior art references in obviousness determinations.