Ex Parte 5073484 et al - Page 10

                Appeal 2007-0725                                                                                
                Reexamination Control 90/006,785                                                                
                Patent 5,073,484                                                                                
                       The method of claim 9 wherein said analyte and said reactant are ones                    
                of a specific ligand-antiligand binding pair.                                                   
                       (Br. at 14 and App. 4).                                                                  

                IV. Legal Principles                                                                            
                       We read the claims in view of the Specification.  A limitation may not                   
                be read into a claim from the specification, but it is appropriate to look to the               
                specification to define a limitation already in the claim.  Elekta Instr. S.A. v.               
                O.U.R. Sci. Int'l, Inc.,   214 F.3d 1302, 1307, 54 USPQ2d 1910, 1913 (Fed.                      
                Cir. 2000).                                                                                     
                       We give the claims terms their broadest reasonable construction that is                  
                consistent with the Specification.  In re Zletz, 893 F.2d 319, 321, 13                          
                USPQ2d 1320, 1322 (Fed. Cir. 1989).                                                             
                       Expert testimony may be submitted by affidavit in response to a                          
                rejection.  37 CFR §1.132.  However, an expert’s testimony will be given                        
                little or no weight unless the testimony is supported by facts.  In re Etter,                   
                756 F.2d 852, 860, 225 USPQ 1, 6.   Argument of counsel cannot take the                         
                place of evidence lacking in the record.  Estee Lauder Inc. v. L'Oreal, S.A.,                   
                129 F.3d 588, 595, 44 USPQ2d 1609, 1615 (Fed. Cir. 1997).                                       










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