Ex Parte BROWNING et al - Page 18



                Appeal 2007-0700                                                                              
                Application 09/159,509                                                                        
                Patent 5,559,995                                                                              

                element from a patent claim is broader as to that limitation’s or element’s                   
                aspect.  131 F.3d at 1468, 45 USPQ2d at 1164.                                                 
                      Step 2 involves a determination of whether the broader aspects of the                   
                reissue application claims relate to surrendered subject matter.  131 F.3d at                 
                1468-69, 45 USPQ2d at 1164.  In this respect, review of arguments and/or                      
                amendments during the prosecution history of the application, which                           
                matured into the patent sought to be reissued, is appropriate.  In reviewing                  
                the prosecution history, the Federal Circuit observed that “[d]eliberately                    
                canceling or amending a claim in an effort to overcome a [prior art]                          
                reference strongly suggests that the Applicant admits that the scope of the                   
                claim before cancellation or amendment is unpatentable.”  131 F.3d at 1469,                   
                45 USPQ2d at 1164.                                                                            
                      Step 3 is applied when the broadening relates to surrendered subject                    
                matter and involves a determination whether the surrendered subject matter                    
                has crept into the reissue application claim.  Id.  The following principles                  
                were articulated in Clement, 131 F.3d at 1469-70, 45 USPQ2d at 1165:                          
                                   Substep (1):  if the reissue claim is as broad as or broader               
                             than the canceled or amended claim in all aspects, the recapture                 
                             rule bars the claim;                                                             
                                   Substep (2): if it is narrower in all aspects, the recapture               
                             rules does not apply, but other rejections are possible;                         
                                   Substep (3):  if the reissue claim is broader in some                      
                             aspects, but narrower in others, then:                                           
                                          (a)   if the reissue claim is as broad as or broader                
                                   in an aspect germane to a prior art rejection, but narrower                

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