Ex Parte YAMAGUCHI et al - Page 8



          Appeal No. 2001-1596                                                        
          Application 09/296,102                                                      

               In effect, the examiner seems to be retroactively applying             
          the Nov. 7, 2000 amendment of the rules, supra, by which this               
          provision was removed from § 1.104(e), but an agency does not               
          have the authority to promulgate retroactive rules unless                   
          expressly given that authority by Congress, Motion Picture Assn.            
          of America Inc. v. Oman, 969 F.2d 1154, 1156, 23 USPQ2d 1447,               
          1449 (D.C.Cir. 1992), and the PTO has not been given such                   
          authority.                                                                  
               Moreover, even if present 37 CFR § 1.104(e) had been in                
          effect when appellants’ original application was pending, we do             
          not consider that the recapture rule would preclude them from               
          obtaining the claims now on appeal.                                         
               Discussing what may constitute a surrender for purposes of             
          the recapture rule, the Court in Hester Industries, 142 F.3d at             
          1481, 46 USPQ2d at 1648, stated that:                                       
               as a general proposition, in determining whether there is a            
               surrender, the prosecution history of the original patent              
               should be examined for evidence of an admission by the                 
               patent applicant regarding patentability. . . . In this                
               regard, claim amendments are relevant because an amendment             
               to overcome a prior art rejection evidences an admission               
               that the claim was not patentable. . . . Arguments made to             
               overcome prior art can equally evidence an admission                   
               sufficient to give rise to a finding of surrender. . . .               
               Logically, this is true even when the arguments are made in            
               the absence of any claim amendment.  Amendment of a claim is           
               not the only permissible predicate for establishing a                  
               surrender.                                                             
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