Ex Parte Chang et al - Page 4



          Appeal No. 2006-0406                                                        
          Application 09/497,865                                                      
                                     DISCUSSION                                       
          New ground of rejection under 37 CFR § 41.50(b)                             
               Claims 7-12 are rejected under 35 U.S.C. § 112, second                 
          paragraph, as indefinite for being functional.  The wherein                 
          clause "wherein the antenna is able to lock onto a second                   
          equatorial satellite in the constellation before handing over               
          from a first equatorial satellite" in claim 7 is functional                 
          because we do not find any structure or "means" in the claim to             
          perform the function.  A "wherein" clause is like a "whereby"               
          clause.  A "whereby clause" is used (1) to indicate that the                
          structure or elements previously enumerated will necessarily give           
          the result which follows the term "whereby," in which case no               
          further structural limitations are implied, or (2) where it is              
          desired to imply that certain forms of structure set forth will             
          give the desired result, other forms will not, and that the claim           
          is intended to cover only such forms as will give the desired               
          result, in which case structural limitations to the enumerated              
          structure are implied.  However, here it is not clear what                  
          structure in the claim performs the recited function.                       
          Grouping of claims                                                          
               Appellants argue that the claims are separately patentable             
          (Br3).  Nevertheless, the regulations in effect at the time the             
          brief was filed required that an argument be provided why the               
          claim is separately patentable and that merely pointing out                 
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