ZHOU et al. V. KEAGY et al. - Page 40




                                                                                  Interference No. 104,649            
                                                                                              Page No. 37             
             Advanced Cardiovascular Systems, Inc., 242 F.3d 1337, 58 USPQ2d 1059 (Fed. Cir. 2001) is                 
             also unavailing as it involves claim construction where "all embodiments" were said to have a            
             particular structure. It is not apparent from Desper or SciMed that an applicant cannot seek a           
             broader claim in a continuation application or that an applicant cannot file a continuation              
             application that seeks to claim a different embodiment of the invention.                                 
                    As to the comments made during the prosecution of Keagy's '098 application, Zhou, as              
             the moving party, has the burden of proof to show that it is entitled to the relief sought. As part      
             of this burden, Zhou needs to demonstrate that the comments made during the prosecution of               
             Keagy's '098 grandparent application limit the manner in which the written description can be            
             construed for the embodiment presently claimed by Keagy. Thus, Zhou needs to demonstrate                 
             that the "refracted" embodiment claimed in Keagy's '098 application is the same embodiment               
             presently claimed and/or that the same claim language is employed. The mere fact that Keagy's            
             '098 prosecution history involved amending the then pending claims to state "refracted" rather           
             then "reflected" is not sufficient evidence that Keagy's presently claimed embodiment excludes           
             light reflected by total internal reflection.                                                            
                    An applicant may file an application describing more than one embodiment. For                     
             example, an applicant may describe two separate and distinct embodiments and present claims to           
             these distinct embodiments. That an applicant can choose to employ different claim scope for             
             two distinct embodiments is a well established practice. In such a situation, the prosecution            
             history of one embodiment may or may not affect the claim scope of the second, distinct                  
             embodiment. On the facts presented, Zhou has not demonstrated that the comments made in                  








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