Ex parte CHAPMAN et al. - Page 4




          Appeal No. 1999-0011                                                        
          Application No. 08/428,812                                                  


          Johnson, 558 F.2d 1008, 1015, 194 USPQ 187, 193 (CCPA 1977).                
          In making this determination, the definiteness of the language              
          employed in the claims must be analyzed, not in a vacuum, but               
          always in light of the teachings of the prior art and of the                
          particular application disclosure as it would be interpreted                
          by one possessing the ordinary level of skill in the pertinent              
          art. Id.                                                                    
               The Examiner's focus during examination of claims for                  
          compliance with the requirement for definiteness of 35 U.S.C.               
          § 112, second paragraph, is whether the claims meet the                     
          threshold requirements of clarity and precision, not whether                
          more suitable language or modes of expression are available.                
          Some latitude in the manner of expression and the aptness of                
          terms is permitted even though the claim language is not as                 
          precise as the Examiner might desire.  If the scope of the                  
          invention sought to be patented cannot be determined from the               
          language of the claims with a reasonable degree of certainty,               
          a rejection of the claims under 35 U.S.C. § 112, second                     
          paragraph, is appropriate.                                                  
               Here, the Examiner cites one example of the claims being               
          vague and indefinite, where he alleges that the term "one                   
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