Ex parte LIU - Page 20




          Appeal No. 1996-1767                                      Page 20           
          Application No. 08/220,410                                                  


               We agree with the appellants.  The claim specifies in                  
          pertinent part “a first adder having at least two outputs, a                
          first multiplier and a second multiplier, each of said first                
          multiplier and said second multiplier being connected to each               
          of said outputs of said first adder ....”  In short, the claim              
          recites an adder with two outputs, each of which is connected               
          to both a first and a second multiplier.                                    


               The examiner failed to comprehend the scope of the                     
          written description requirement.  To satisfy the written                    
          description requirement, a specification clearly must allow                 
          persons of ordinary skill in the art to recognize that an                   
          applicant invented what he claimed.  Satisfaction of the                    
          requirement is adjudged as of the filing date of the                        
          application.  Vas-Cath, Inc. v. Mahurkar, 935 F.2d 1555, 1566,              
          19 USPQ2d 1111, 1119 (Fed. Cir. 1991).  The claims as filed                 
          are part of the specification, moreover, and may provide or                 
          contribute to compliance with Section 112.  Hyatt v. Boone,                 
          146 F.3d 1348, 1352, 47 USPQ2d 1128, 1130 (1998), cert.                     
          denied, 119 S.Ct. 1032 (1999).                                              









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