Appeal No. 1997-2087
Application No. 08/203,837
suggested the combination," such as a recognition in the prior art of the problem solved by
appellants or a suggestion of a structural solution to this problem. Id. Absent evidence of
such understanding or principle in the prior art, the examiner's arguments remain
unsupported and, thus, the examiner has not established a prima facie case of
obviousness. Consequently, we reverse.
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