Ex Parte Murofushi et al - Page 12



              Appeal No. 2007-1530                                                                                     
              Application 10/095,112                                                                                   

                    accommodates certain products of manufacture which are not                                         
                    provided for in classes devoted primarily to manufacturing methods                                 
                    and apparatus.  The bulk of the documents are directed to stock                                    
                    material composites, that is, materials having two or more distinct                                
                    components which are more ordered than a mere random mixture of                                    
                    ingredients.                                                                                       
              See PTO Classification Definitions, Class 428, http://ptoweb:8081/uspc428/                               
              defs428.htm (last visited July 6, 2007).  Subclass 539.5, entitled “Metal                                
              Continuous Phase Interengaged With Nonmetal Continuous Phase,” is defined as                             
              follows:                                                                                                 
                    This subclass is indented under the class definition.  Products in which                           
                    a continuum (matrix or continuous phase) of elemental metal is                                     
                    interengaged with a continuum of nonmetal material.  (1) Note. These                               
                    products are most usually obtained by the impregnation of a metal or                               
                    nonmetal composition, having an interconnected void structure, with a                              
                    nonmetal or metal composition, respectively, in a fluent form.                                     
              Id.                                                                                                      
                          PRINCIPLES OF LAW RELEVANT TO ISSUES 1 AND 2                                                 
                    “[T]he examiner bears the initial burden, on review of the prior art or on any                     
              other ground, of presenting a prima facie case of unpatentability.”  In re Oetiker,                      
              977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992).  A rejection under                           
              35 U.S.C. § 103(a) must be based on the factual determinations required by the,                          
              namely, (1) the scope and content of the prior art, (2) the level of ordinary skill in                   
              the art, (3) the differences between the claimed invention and the prior art, and                        

                                                                                                                      
              Ceramic.”  PTO Classification Definitions, Class 501,                                                    
              http://ptoweb:8081/uspc501/defs501.htm (last visited July 6, 2007).                                      
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