Ex Parte Prakash - Page 5



            Appeal No. 2005-1975                                                    Page 5             
            Application No. 09/819,292                                                                 


                  We begin with the rejection of claim 30 under 35 U.S.C.                              
            § 112, first paragraph as lacking enablement.  An analysis of                              
            whether the claims under appeal are supported by an enabling                               
            disclosure requires a determination of whether that disclosure                             
            contained sufficient information regarding the subject matter of                           
            the appealed claims as to enable one skilled in the pertinent art                          
            to make and use the claimed invention.  The test for enablement                            
            is whether one skilled in the art could make and use the claimed                           
            invention from the disclosure coupled with 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).                                        
                  The Federal Circuit has set out a number of factors that are                         
            relevant to whether undue experimentation would be required to                             
            practice a claimed invention.  They include “(1) the quantity of                           
            experimentation necessary, (2) the amount of direction or                                  
            guidance presented, (3) the presence or absence of working                                 
            examples, (4) the nature of the invention, (5) the state of the                            
            prior art, (6) the relative skill of those in the art, (7) the                             
            predictability or unpredictability of the art, and (8) the                                 






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