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In re Klopfenstein

United States Court of Appeals for the Federal Circuit
380 F.3d 1345 (2004)


Facts

Carol Klopfenstein and John Brent (plaintiffs) invented a method for preparing foods using double-extruded soy cotyledon fiber to lower cholesterol levels. In 1998, the plaintiffs displayed their invention at a conference of cereal chemists. The plaintiffs’ display consisted of printed slides glued to poster boards. The slides presented extrusion-process data and a description of the double-extrusion process. The poster boards remained on display for two and one-half days at the conference. A month later, the poster boards were displayed again at a university agricultural experiment station. There were no disclaimers on the boards asking that the information not be reproduced. However, the slides were not photographed, distributed, or indexed for a library or catalogue. In 2000, the plaintiffs applied for a patent for their invention. The United States Patent and Trademark Office (PTO) (defendant) denied the application because all the application’s claims had been disclosed on the plaintiffs’ poster boards in 1998, more than one year before the patent application was filed. These disclosures barred the invention from patentability under the printed-publication bar in 35 U.S.C. § 102(b). The plaintiffs appealed the PTO’s determination, arguing that their poster boards could not be considered printed publications because the material was not distributed, copied, or indexed. The Patent and Trademark Office’s Board of Patent Appeals and Interferences (Board) upheld the PTO’s denial. The plaintiffs appealed the Board’s denial to the United States Court of Appeals for the Federal Circuit.

Rule of Law

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Issue

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Holding and Reasoning (Prost, J.)

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  • A "yes" or "no" answer to the question framed in the issue section;
  • A summary of the majority or plurality opinion, using the CREAC method; and
  • The procedural disposition (e.g. reversed and remanded, affirmed, etc.).

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