Ex Parte Tsai et al - Page 3


                 Appeal No.  2007-0056                                                          Page 3                   
                 Application No.  09/906,511                                                                             
                                             GROUNDS OF REJECTION                                                        
                        Claims 1-2 and 14 stand rejected under 35 U.S.C. § 103(a) as being                               
                 unpatentable over the combination of Kosako, ‘221 and ‘978.                                             
                        Claims 3-6 stand rejected under 35 U.S.C. § 103(a) as being unpatentable                         
                 over the combination of Kosako, ‘221, ‘978, and Chandler.                                               
                        Claims 8-13 stand rejected under 35 U.S.C. § 103(a) as being                                     
                 unpatentable over the combination of Kosako, ‘221, ‘978, and Hansen.                                    
                        We affirm.                                                                                       


                                                     DISCUSSION                                                          
                 The combination of Kosako, ‘221 and ‘978:                                                               
                        Claims 1-2 and 14 stand rejected under 35 U.S.C. § 103(a) as being                               
                 unpatentable over the combination of Kosako, ‘221, and ‘978.  Appellants do not                         
                 separately group or argue the claims.  Accordingly, the claims will stand or fall                       
                 together.  Since all claims stand or fall together, we limit our discussion to                          
                 representative claim 1.  Claims 2 and 14 stand or fall together with claim 1.  In re                    
                 Young, 927 F.2d 588, 590, 18 USPQ2d 1089, 1091 (Fed. Cir. 1991).                                        
                 Accordingly, we limit our discussion to representative claim 1.                                         
                        Claim 1 is drawn to a method for determining the concentration of an                             
                 analyte in a sample.  The method comprises four steps.  The first step provides                         
                 for two alternative mixing embodiments.  The first embodiment requires the                              
                 mixing of a sample comprising an unknown concentration of analyte with a                                
                 known amount of sensitized particles in an assay medium to form a first reaction                        






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