Ex Parte SIEFERT - Page 11




          Appeal No. 1996-3670                                      Page 11           
          Application No. 08/217,063                                                  


          to any of the optional programs OP1y, the central computer system           
          14 monitors and records the changes made to the software. . . .”            
          Col. 4, ll. 29-33.  Therefore, we reverse the rejection of                  
          claim 1 as obvious.                                                         


               Turning to claim 2, we recall that an obviousness rejection            
          should not be based on "speculations and assumptions."  In re               
          Steele, 305 F.2d 859, 862, 134 USPQ 292, 295 (CCPA 1962).  "All             
          words in a claim must be considered in judging the patentability            
          of that claim against the prior art.  If no reasonably definite             
          meaning can be ascribed to certain terms in the claim, the                  
          subject matter does not become obvious-the claim becomes                    
          indefinite."  In re Wilson, 424 F.2d 1382, 1385, 165 USPQ 494,              
          496 (CCPA 1970).                                                            
                                                                                     
               Here, for the reasons we explained in addressing the                   
          indefiniteness of claim 2, our analysis leaves us in a quandary             
          about what the claim specifies.  Speculations and assumptions               
          would be required to decide the scope of the claim.  Therefore,             
          we reverse pro forma the rejection of claim 2 as obvious.                   










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