Ex parte ROSE - Page 6




          Appeal No. 1995-5010                                                        
          Application 08/116,261                                                      


          interpreted without hindsight reconstruction of the invention               
          from the prior art.  The Examiner may not, because of doubt                 
          that the invention is patentable, resort to speculation,                    
          unfounded assumption or hindsight reconstruction to supply                  
          deficiencies in the factual basis for the rejection.  See In                
          re Warner, 379 F.2d 1011, 1017, 154 USPQ 173, 178 (CCPA 1967),              
          cert. denied, 389 U.S. 1057 (1968).  Our reviewing court has                
          repeatedly cautioned against employing hindsight by using the               
          Appellant's disclosure as a blueprint to reconstruct the                    
          claimed invention from the isolated teachings of the prior                  
          art.  See, e.g., Grain Processing Corp. v. American                         
          Maize-Products Co., 840 F.2d 902, 907, 5 USPQ2d 1788, 1792                  
          (Fed. Cir. 1988).  On the other hand, we are also guided by                 
          the precedence of our reviewing court that the limitations                  
          from the disclosure are not to be imported into the claims.                 
          In re Lundberg, 244 F.2d 543, 113 USPQ 530 (CCPA 1957); In re               
          Queener, 796 F.2d 461, 230 USPQ 438 (Fed. Cir. 1986).                       
               With this as background, we analyze the prior art applied              
          by the Examiner in the rejection of the claims on appeal.                   


               Rejection of  claims 1 to 4 and 6 under 35 U.S.C. § 103                
                                         -6-                                          





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