Ex parte NAKATANI et al. - Page 5




           Appeal No. 1997-3662                                                                  
           Application No. 07/964,342                                                            


           in                                                                                    
           the art.  Uniroyal Inc. v. Rudkin-Wiley Corp., 837 F.2d 1044,                         
           1051, 5 USPQ2d 1434, 1438 (Fed. Cir.), cert. denied, 488 U.S.                         
           825 (1988); Ashland Oil, Inc. v. Delta Resins & Refractories,                         
           Inc., 776 F.2d 281, 293, 227 USPQ 657, 664 (Fed. Cir. 1985),                          
           cert. denied, 475 U.S. 1017 (1986); ACS Hosp. Sys., Inc. v.                           
           Montefiore Hosp., 732 F.2d 1572, 1577, 221 USPQ 929, 933 (Fed.                        
           Cir. 1984).  These showings by the Examiner are an essential                          
           part                                                                                  
           of complying with the burden of presenting a prima facie case                         
           of                                                                                    
           obviousness.  Note In re Oetiker, 977 F.2d 1443, 1445, 24                             
           USPQ2d                                                                                
           1443, 1444 (Fed. Cir. 1992).                                                          
                 With respect to the 35 U.S.C. § 103 rejection of                                
           independent claims 1, 5, 9, 13, and 18, the Examiner relies                           
           upon the                                                                              
           run-length coding disclosure of Preuss which uses code words                          
           to indicate the run-length of black and white image data, the                         
           codewords being subsequently decoded to produce an image in                           
           black and white.  As the basis for the obviousness rejection,                         
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