Ex Parte Powell et al - Page 7


                   Appeal No. 2006-1595                                                                                            
                   Application No. 09/798,484                                                                                      


                   among other things, by (1) describing an actual reduction to practice; (2) clearly                              
                   depicting the invention in detailed drawings; or (3) sufficiently describing relevant                           
                   and identifying characteristics of the invention.  MPEP § 2163(II)(A)(3)(a).  The                               
                   specification, however, need not describe in detail that which is conventional or                               
                   well known to skilled artisans.  That is, the written description can be adequate                               
                   even if every nuance of the claims is not explicitly described in the specification                             
                   [id.].  See also Vas-Cath, Inc. v. Mahurkar, 935 F.2d 1555, 1563, 19 USPQ2d                                     
                   1111, 1116 (Fed. Cir. 1991).  Moreover, software aspects of inventions may be                                   
                   described functionally [see MPEP § 2106(V)(B)(1)].                                                              
                          In this case, we find that the specification adequately describes the                                    
                   claimed invention with sufficient particularity that the skilled artisan would                                  
                   reasonably conclude that the inventors had possession of the claimed invention.                                 
                   Initially, we note that the text of claims 1-23 is expressly incorporated into the                              
                   specification.1  Although a verbatim correspondence between the claim language                                  
                   and the specification is arguably dispositive of the issue of possession, we find                               
                   additional support in the specification for the claimed subject matter that                                     
                   describes the invention with sufficient particularity to evidence possession.  For                              
                   example, regarding the claimed limitation calling for the first logic identifying                               
                   hierarchy paths within the source code model, the specification states:                                         
                                  Once the C model has been loaded, a C model                                                      
                                  builder function is called to build the C model                                                  
                                  hierarchy, as indicated by block 22.  During the                                                 
                                  initialization phase of startup, the C model threads                                             
                                                                                                                                   
                   1 See Amendment filed Mar. 28, 2005.                                                                            

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