Ex Parte LACKIE et al - Page 5




               Appeal No. 2001-2401                                                                                                
               Application 08/277,225                                                                                              
                       Rather than reiterate the conflicting viewpoints advanced by the examiner and                               
               the appellants regarding the above-noted rejection, we make reference to the                                        
               Examiner's Answer for the examiner’s complete reasoning in support of the rejection,                                
               and to the appellants’ Brief and Reply Brief for the appellants’ arguments thereagainst.                            
               As a consequence of our review, we make the determinations which follow.                                            


               35 U.S.C. § 112, first paragraph                                                                                    
                       Claims 1-10 stand rejected under 35 U.S.C. § 112, second paragraph as being                                 
               indefinite.  It is the examiner's position that ?a separation step is needed between steps                          
               (e) and (f) in order for detection to occurs [sic].   Further it is unclear how a portion of                        
               the tag retained on the solid phase can be detected and then compared to the same                                   
               portion of the tag.   Appellants' attention is directed to parts (e) and (f) in which the                           
               ?portion of said tag” is recited.”  Answer, page 3.1                                                                


                       Whether a claim is indefinite depends upon whether those skilled in the art would                           
               understand what is claimed, or the scope or the bounds of the claim, when read in light                             
               of the specification.   The threshold step in resolving this issue is to determine whether                          
               the examiner has met his burden of proof by advancing acceptable reasoning of                                       
               indefiniteness.   Appellants argue that one of ordinary skill in the art reading the                                


                       1  The Answer includes duplicate page numbering.   Page numbers referred to in                              
               the Answer herein are the actual sequential page numbers of the Answer.                                             
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