Ex parte NORAIS - Page 3




          Appeal No. 98-0608                                         Page 3           
          Application No. 08/413,284                                                  


               The arguments of the appellant in opposition to the                    
          positions taken by the examiner are set forth in the Brief and              
          the Reply Brief.                                                            




                                       OPINION                                        
               In reaching our decision on the issues raised in this                  
          appeal, we have carefully assessed the claims, the prior art                
          applied against the claims, and the respective views of the                 
          examiner and the appellant as set forth in the Answer and the               
          Briefs.  The determinations we have made and the reasoning                  
          behind them are set forth below.                                            
                       The Rejection Under 35 U.S.C. § 102(b)                         
               It is axiomatic that anticipation is established only                  
          when a single prior art reference discloses, either expressly               
          or under the principles of inherency, each and every element                
          of the claimed invention.  See, for example, In re Paulsen, 30              
          F.3d 1475, 1480-1481, 31 USPQ2d 1671, 1675 (Fed. Cir. 1994).                
               Independent claim 1 recites an apparatus comprising a                  
          filtration chamber and a filter having at least one planar                  








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