Ex parte GUTTAG et al. - Page 7




          Appeal No. 1996-3193                                                        
          Application 08/160,112                                                      

          arguing that the fact is not supported by a reference, without              
          stating that the examiner is wrong or that applicant is                     
          without knowledge of the prior art teaching does not                        
          constitute a proper traverse.                                               
               The Examiner's finding that running sums were well known               
          in the prior art is not the kind of fact which lends itself to              
          Official Notice.  Although we agree that accumulation of sums               
          was well known in the field of computer arithmetic, using                   
          Official Notice instead of supplying a reference is a                       
          difficult fact to review in any subsequent judicial review                  
          where the judges will not have the technical background of the              
          examiner, the applicant, or the Board panel.  Cf.                           
          In re Ahlert, 424 F.2d 1088, 1091, 165 USPQ 418, 420 (CCPA                  
          1970)("Assertions of technical facts in areas of esoteric                   
          technology must always be supported by citation to some                     
          reference work recognized as standard in the pertinent art.");              
          accord In re Pardo, 684 F.2d 912, 917, 214 USPQ 673, 677 (CCPA              
          1982).  However, since the Examiner has continuously                        
          maintained his position and Appellants have not argued that                 
          the Examiner erred, we conclude that adding the absolute value              



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