Ex parte TWEDEN et al. - Page 4




          Appeal No. 1999-2646                                                        
          Application No. 08/794,398                                                  

          and the examiner with regard to the merits of these                         
          rejections.                                                                 
                                     DISCUSSION                                       
          I. Grouping of claims                                                       
               On pages 3 and 4 in the main brief, the appellants set                 
          forth the following grouping of claims: claims 1 through 5, 7               
          through 13 and 17; claim 6; claims 14 through 16, 19 and 20;                
          and claim 18.  Therefore, and in accordance with the arguments              
          advanced in both briefs, claims 2 through 5, 7 through 13 and               
          17 shall stand or fall with claim 1, claim 6 shall stand or                 
          fall alone, claims 15, 16, 19 and 20 shall stand or fall with               
          claim 14 and claim 18 shall stand or fall alone.                            
          II. The 35 U.S.C. § 102(b) rejection of claim 1 as being                    
          anticipated by Duran ‘021                                                   
               Duran ‘021 discloses sigmoid valve annuloplasty rings or               
          stents for “permanent implantation . . . in the annulus of                  
          human sigmoid valves (aortic or pulmonary) to remodel them so               
          as to make the valve competent and avoid its replacement with               
          an artificial heart valve” (column 1, lines 7 through 11).                  
          The rings/stents may comprise “biocompatible solid metal                    
          single wire, plastic or reabsorbable polymer structure”                     

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