Ex Parte Johanson et al - Page 9



             Appeal 2007-2030                                                                                     
             Application 10/482,842                                                                               
                    14.  The combination of catalyzed resin and promoted resin is taught as an                    
                       alternative to the prior art method of making waterproof plywood using                     
                       urea glue (Hings, col. 7, l. 60 – col. 8, l. 11).                                          

                                            PRINCIPLES OF LAW                                                     
                    We determine the scope of the claims in patent applications “not solely on                    
             the basis of the claim language, but upon giving claims their broadest reasonable                    
             construction ‘in light of the specification as it would be interpreted by one of                     
             ordinary skill in the art.’”  Phillips v. AWH Corp., 415 F.3d 1303, 1316, 75                         
             USPQ2d 1321, 1329 (Fed. Cir. 2005)  (en banc) (quoting In re Am. Acad. of Sci.                       
             Tech. Ctr., 367 F.3d 1359, 1364, 70 USPQ2d 1827, 1830 (Fed. Cir. 2004)).  We                         
             must be careful not to read a particular embodiment appearing in the written                         
             description into the claim if the claim language is broader than the embodiment.                     
             See Superguide Corp. v. DirecTV Enterprises, Inc., 358 F.3d 870, 875, 69 USPQ2d                      
             1865, 1868 (Fed. Cir. 2004) (“Though understanding the claim language may be                         
             aided by explanations contained in the written description, it is important not to                   
             import into a claim limitations that are not part of the claim.  For example, a                      
             particular embodiment appearing in the written description may not be read into a                    
             claim when the claim language is broader than the embodiment.”)  The challenge                       
             is to interpret claims in view of the specification without unnecessarily importing                  
             limitations from the specification into the claims.  See E-Pass Techs., Inc. v. 3Com                 
             Corp., 343 F.3d 1364, 1369, 67 USPQ2d 1947, 1950 (Fed. Cir. 2003).                                   
                    “Section 103 forbids issuance of a patent when ‘the differences between the                   

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