Ex Parte Dathathraya - Page 12


               Appeal No. 2006-3120                                                                         
               Application No. 09/944,695                                                                   


               nature of the problem to be solved.  DyStar Textilfarben GmbH & Co.                          
               Deutschland KG v. C.H. Patrick Co., 464 F.3d 1356, 1366, 80 USPQ2d 1641,                     
               1649 (Fed. Cir. 2006).  See also In re Kahn, 441 F.3d 977, 987-88, 78 USPQ2d                 
               1329, 1336 (Fed. Cir. 2006).  Notably, when the source of motivation is not from             
               the prior art references, “the ‘evidence’ of motive will likely consist of an                
               explanation of the well-known principle or problem-solving strategy to be                    
               applied.”  DyStar, 464 F.3d at 1366, 80 USPQ2d at 1649.  We find the skilled                 
               artisan would have ample motivation to combine DeBry’s teachings with                        
               Mazzagatte essentially for the reasons stated by the examiner.  We further note              
               that appellant’s arguments regarding the lack of a teaching or suggestion that the           
               user controls the private key is simply not commensurate with the scope of the               
               claims.                                                                                      
                      For at least the above reasons, we will sustain the examiner’s rejection of           
               independent claims 1, 12, 19, and 29.  Since appellant has not separately argued             
               the patentability of the dependent claims, these claims fall with the independent            
               claims.  See In re Nielson, 816 F.2d 1567, 1572, 2 USPQ2d 1525, 1528 (Fed.                   
               Cir. 1987).  See also 37 CFR § 41.37(c)(vii).                                                
                      In summary, we have sustained the examiner's rejection with respect to all            
               claims on appeal.  Therefore, the decision of the examiner rejecting claims 1-8,             
               10-25, and 27-35 is affirmed.                                                                






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