Some challenged claims of Carl Zeiss X-Ray Microscopy Inc.'s patent directed to an X-ray imaging system that combines projection magnification and optical magnification are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Sigray Inc. The board said that some challenged claims are obvious over prior art that discloses an apparatus for x-ray analysis, a method and apparatus for utilizing an electro-optic detector in a microtomography system, and three-dimensional imaging of vasculature and parenchyma in intact rodent organs. The board denied and dismissed Carl Zeiss X-Ray’s revised contingent motion to ...
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