Appeal No. 1999-2311 Application 08/777,805 invention have been used to facilitate communications and conversions between dissimilar networks or protocols and many systems have been used for converting data from one format to another format [answer, pages 9-13]. We agree with appellants that the record in this case does not support the examiner’s rejection. As noted above, the examiner has the burden of initially presenting a prima facie case of obviousness. The examiner cannot satisfy this burden by simply dismissing differences between the claimed invention and the teachings of the prior art as being obvious. In this case, the examiner must either present a cogent rationale why the artisan would have been motivated to modify the teachings of Barber to arrive at the claimed invention which is supported by the record, or the examiner must present us with an evidentiary record which independently supports the finding of obviousness. The examiner’s only rationale for modifying Barber is that the proposed modification would enhance the overall system of Barber {answer, page 11]. The fact that a claimed invention enhances a prior art system is not evidence that the enhancement would have been obvious within the meaning of 35 U.S.C. § 103. It does not matter how 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007