Appeal No. 2003-0187 Application No. 09/134,109 obvious. Moreover, and more to the point in the present appeal, we observe that the mere fact that some prior art reference may be modified in the manner suggested by the examiner does not make such a modification obvious unless the prior art suggested the desirability of the modification. See In re Gordon, 733 F.2d 900, 902, 221 USPQ 1125, 1127 (Fed. Cir. 1984). Here, the prior art relied upon by the examiner contains no such suggestion. Since we have determined that the teachings and suggestions found in Cheng, Hanson and Gühring or Vasudeva would not have made the subject matter as a whole of claims 39, 41, 44, 45, 47 and 48 on appeal obvious to one of ordinary skill in the art at the time of appellants’ invention, we must refuse to sustain the examiner’s rejection of those claims under 35 U.S.C. § 103(a). Regarding the examiner’s rejection of dependent claim 46 under 35 U.S.C. § 103(a) based on the collective teachings of Cheng, Hanson, Gühring or Vasudeva, Kazen and Hurson, we remain of the view expressed above with regard to claims 39 and 45 that there would be no need, and thus no motivation except that derived from impermissible hindsight, for modifying the tool retaining inserts of Cheng in the manner proposed by the 13Page: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 NextLast modified: November 3, 2007