Ex parte LANGLEY et al. - Page 6




          Appeal No. 1995-3522                                                        
          Application No. 07/912,973                                                  


          information known in the art without undue experimentation.                 
          See United States v. Telectronics, Inc., 857 F.2d 778, 785, 8               
          USPQ2d 1217, 1223 (Fed. Cir. 1988), cert. denied, 109 S.Ct.                 
          1954 (1989); In re Stephens, 529 F.2d 1343, 1345, 188 USPQ                  
          659, 661 (CCPA 1976).                                                       
               Here, even if we agreed with all of the examiner's                     
          criticisms of the specification (which we do not for reasons                
          as generally presented in the appellants' brief and reply                   
          brief), the examiner’s analysis would fall short of presenting              
          a prima facie case of a non-enabling disclosure since the                   
          examiner did not supply any convincing evidence or reasoning                
          which would cause                                                           
          doubt about the accuracy of appellants’ disclosure so as to                 
          support a legal conclusion that undue experimentation is                    
          required to practice the invention as claimed.  See In re                   
          Wands, 858 F.2d 731, 736-37, 8 USPQ2d 1400, 1404 (Fed. Cir.                 
          1988).                                                                      
               Moreover, we observe that the examiner has not                         
          convincingly explained how the criticisms and questions                     
          regarding the specification that the examiner has set forth in              


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