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Ex parte Blythin

07852214 (B.P.A.I. Sep. 11, 1997)
Ex parte Blythin

1 Cited authority

  1. Application of Payne

    606 F.2d 303 (C.C.P.A. 1979)   Cited 28 times   2 Legal Analyses
    Discussing the presumption of obviousness based on close structural similarity