Ex Parte Tsai et al - Page 1


                            The opinion in support of the decision being entered today was not written                   
                                   for publication and is not binding precedent of the Board.                            

                         UNITED STATES PATENT AND TRADEMARK OFFICE                                                       
                                                     __________                                                          
                              BEFORE THE BOARD OF PATENT APPEALS                                                         
                                             AND INTERFERENCES                                                           
                                                     __________                                                          
                                            Ex parte TENLIN S. TSAI, and                                                 
                                                    RENLIANG XU                                                          
                                                     __________                                                          
                                                Appeal No.  2007-0056                                                    
                                             Application No.  09/906,511                                                 
                                                     __________                                                          
                                                      ON BRIEF                                                           
                                                     __________                                                          
                 Before SCHEINER, ADAMS, and GREEN, Administrative Patent Judges.                                        
                 ADAMS, Administrative Patent Judge.                                                                     

                                               DECISION ON APPEAL                                                        
                        This is a decision on the appeal under 35 U.S.C. § 134 from the                                  
                 examiner’s final rejection of claims 1-6 and 8-14, which are all the claims pending                     
                 in the application.                                                                                     
                        Claims 1, 3 and 8 are illustrative of the subject matter on appeal and are                       
                 reproduced below:                                                                                       
                        1. A method for determining the concentration of an analyte in a sample,                         
                            comprising:                                                                                  
                                a) mixing a sample comprising an unknown concentration of                                
                                         said analyte with a known amount of sensitized particles                        
                                         in an assay medium to form a first reaction mixture,                            
                                         wherein said sensitized particles comprise carrier particles                    
                                         having immobilized thereon a binding partner for said                           
                                         analyte or mixing a sample comprising an unknown                                
                                         concentration of said analyte with a known concentration                        




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