Ex parte ANDERSON - Page 23




          Appeal No. 96-2623                                                          
          Application No. 08/240,095                                                  


               We also do not consider the declaration to have presented              
          sufficient evidence that the appellants' invention fills a long             
          felt need.  Establishing a long felt need requires objective                
          evidence that an art recognized problem existed in the art for a            
          long period of time without solution.  Thus, the need must have             
          been a persistent one that was recognized by those of ordinary              
          skill in the art.  See In re Gershon, 372 F.2d 535, 539, 152 USPQ           
          602, 605 (CCPA 1967).  The declaration does not establish that a            
          long felt need existed since the declaration fails to provide any           
          evidence that an art recognized problem existed in the art for a            
          long period of time without solution.                                       


               In the final analysis, evidence of nonobviousness, although            
          being a factor that certainly must be considered, is not                    
          necessarily controlling.  Newell Companies, Inc. v. Kenney                  
          Manufacturing Co., 864 F.2d 757, 768, 9 USPQ2d 1417, 1426 (Fed.             
          Cir. 1988).                                                                 


               In view of the foregoing, we are satisfied that when all the           
          evidence and arguments are considered, the totality of the                  
          rebuttal evidence and arguments cannot be accorded substantial              
          weight, so that, on balance, it fails to outweigh the evidence of           

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