RAI Strategic Holdings, Inc. v. Philip Morris Products S.A., No. 22-1862 (Fed. Cir. 2024)
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This case concerns a patent dispute between RAI Strategic Holdings, Inc. (RAI) and Philip Morris Products S.A. (Philip Morris) about an electrically powered smoking article. The United States Court of Appeals for the Federal Circuit affirmed in part, vacated in part, and remanded the decision of the Patent Trial and Appeal Board (Board).
RAI owns a patent for electrically powered smoking articles that heat tobacco or other substances without significant combustion. Philip Morris filed a petition to review the patent, asserting that the claims were invalid due to a lack of written description and obviousness over prior art. The Board agreed with Philip Morris and held certain claims of the patent unpatentable.
On appeal, RAI argued that the Board erred by finding that some claims lacked adequate written description support and that other claims were obvious. The Court of Appeals agreed with RAI regarding the written-description issue. It found that the patent specification did provide adequate written description support for the disputed claims, as it disclosed the end points of the claimed range and there were no inconsistent statements regarding the range. Thus, the Court of Appeals vacated the Board's decision on this issue and remanded for further consideration.
However, the Court of Appeals affirmed the Board’s decision regarding the obviousness issue. It found substantial evidence to support the Board's finding that a person of ordinary skill in the art would have been motivated to combine prior art references, making the claims obvious. Specifically, the Court found that the Board reasonably concluded that a skilled artisan would have been motivated to replace the heating element in Robinson's smoking article with the heating element taught by Greim. Therefore, the Court affirmed the Board’s finding that these claims were unpatentable as obvious.
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