Ex Parte FEYGIN et al - Page 7


             Appeal No. 2001-0352                                                                              
             Application 08/872,097                                                                            

             elements of which claims the Examiner might be referring to by the last paragraph and             
             we decline to speculate.                                                                          
                   It is unnecessary for us to belabor the point by illustrating the deficiencies of each      
             of the other rejections as well.  Suffice it to say, they each lack the requisite specificity     
             needed for the establishment of a prima facie case of obviousness.  As the examiner               
             bears the initial burden of presenting a prima facie case of unpatentability (In re Oetiker,      
             977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444  (Fed. Cir. 1992)), and that burden has                 
             not been met in a manner enabling proper review, we vacate the rejections and remand              
             for the entry of appropriately written rejections.                                                
                   However, this is not to say that we agree with the Appellants’ contention that the          
             claims are patentable.  Upon remand, the Examiner should again consider the                       
             patentability of the claims in light of the cited art.  Indeed, we suggest an independent         
             analysis for each claim pending.  Such an exemplary analysis is reproduced in the claim           
             chart, which follows (for example if one were to reject Claim 23 under §102 as                    
             anticipated by Gleave):                                                                           
             Claim 23 Elements                          Rejection                                              
             A universal fluid exchanger, comprising:   Gleave relates to the exchange of fluid in             
                                                        the extraction of an analyte while injecting           
                                                        extraction fluid (col. 2, lines 35-40)                 
             a plurality of reaction vessels;           Gleave clearly indicates provision for a               
                                                        plurality of reaction vessels (elicitation of          
                                                        an analyte from solution can occur in a                
                                                        reaction vessel) (see figs 2, 3, 4, and col.           
                                                        14, line 36 “one or more cells”, col. 14, line         
                                                        53 “one of cells”)                                     
             a reaction vessel support disposed to hold Reaction vessel support 23.                            
             the plurality of reaction vessels in a                                                            
             preferred orientation;                                                                            
             a plurality of injection ports, each injection There is a plurality of cells present, and         

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