Ex Parte Mehrotra et al - Page 8



         Appeal No. 2005-0239                                                       
         Application No. 10/145,421                                                 

         devote much analysis to the differences between the claimed                
         features and each of the two applied prior art references.  Id.            
         In other words, the appellants’ arguments generally attack the             
         applied prior art references individually.  However, the                   
         obviousness test under Section 103 is not what the prior art               
         references individually teach, but what their combined teachings           
         would have fairly suggested to a person having ordinary skill in           
         the art.  In re Young, 927 F.2d 588, 591, 18 USPQ2d 1089, 1091             
         (Fed. Cir. 1991); In re Keller, 642 F.2d 413, 425, 208 USPQ 871,           
         881 (CCPA 1981).  When the prior art references in question are            
         collectively considered, we determine that there is ample                  
         suggestion to arrive at the claimed subject matter as indicated            
         supra.                                                                     
              Having determined that the examiner has established a prima           
         facie case of obviousness, we look to any secondary evidence               
         relied upon by the appellants.  The appellants do not rely on any          
         secondary evidence, much less provide any argument directed to             
         it, to rebut the prima facie case established by the examiner.             
         Although the appellants, for example, refer to the advantage               
         asserted in the specification, they do not argue, much less show,          
         it to be unexpected.  See the Reply Brief, page 1.                         

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