Ex parte BANERJEE et al. - Page 7

          Appeal No. 1998-0943                                                        
          Application No. 08/300,500                                                  

          knowledge of the particular art and be in possession of the                 
          invention.”  In re Graves, 69 F.3d 1147, 1152, 36 USPQ2d 1697,              
          1701 (Fed. Cir. 1995), quoting from In re LeGrice, 301 F.2d                 
          929, 936, 133 USPQ 365, 372 (CCPA 1962).  In our view, the                  
          skilled artisan would appreciate that any touch screen input                
          device would require an acknowledgment feature to verify, for               
          example, that actual contact was made with the screen.  McCain              
          is not required to specifically disclose such acknowledgment                
          feature in order to be an anticipatory reference because such               
          a user notification feature would be present in any system                  
          with a touch screen input feature.  As further evidence of the              
          recognition to a skilled artisan of the inclusion of user                   
          acknowledgment features in touch screen input devices, we cite              
          the following excerpt from Computer Dictionary, Second                      
          Edition, published by Microsoft Press (copy enclosed) in which              
          “touch screen” is defined in part as “[a] computer screen                   
          designed or modified to recognize the location of a touch on                
          its surface.  By touching the screen, the user can make a                   
          selection or move a cursor.”  Even in the limited example                   
          provided by this definition, the movement of the cursor would               
          provide an acknowledgment to the user of positional input data              

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