Ex Parte Demuth et al - Page 3


                 Appeal No.  2005-0412                                                          Page 3                  
                 Application No.  09/682,968                                                                            
                                                    DISCUSSION                                                          
                        We note that the examiner first raises the issue of whether the claimed                         
                 invention is patentable pursuant to 35 U.S.C. § 112, first paragraph.  However,                        
                 we point out that the first inquiry should be whether the claims “set out and                          
                 circumscribe a particular area with a reasonable degree of precision and                               
                 particularity.”  In re Moore, 439 F.2d 1232, 1235, 169 USPQ 236, 238 (CCPA                             
                 1971).  Since it is erroneous to analyze claims based on “speculation as to the                        
                 meaning of terms employed and assumptions as to the scope of the claims” (In                           
                 re Steele, 305 F.2d 859, 862, 134 USPQ 292, 295 (CCPA 1962)), we begin by                              
                 addressing the issues raised under § 112, second paragraph.                                            
                 THE REJECTION UNDER 35 U.S.C. § 112, SECOND PARAGRAPH:                                                 
                        As we understand appellants’ claim grouping (Brief, page 2), claims 1, 2, 4                     
                 and 5 (Group I) stand or fall together, and claim 3 (Group II) stands or falls                         
                 alone.2  The examiner is unclear as to the meaning of the phrase “an effector for                      
                 reducing enzymatic activity of DPIV and DPIV analogous enzymes” as it appears                          
                 in appellants’ claimed invention.  Answer, page 6.  More particularly, the issue is                    
                 - what is an “effector” according to appellants’ claimed invention.  According to                      
                 appellants (Brief, page 6), the term “effector” is a “definite term in the art.”  In                   
                 support of this position appellants direct attention to page 63 of Darnell, wherein                    
                 the term “effector” is defined as “[m]olecules that bind to enzymes and increase                       
                 or decrease their activities.”  Therefore, based on the art-recognized definition of                   
                 the term “effector,” we understand that an “effector” according to appellants’                         

                                                                                                                        
                 2 We recognize appellants’ separate argument of claim 3, as it appears on page 7 of the Brief.         





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