CABILLY et al. V. BOSS et al. - Page 6




                   Interference No. 102,572                                                                                                                         


                            The Boss et al. arguments are without merit.  It is true that the present rules do not                                                  
                   require Boss et al. to notify Cabilly et al. of the oversight.  As a matter of courtesy, Boss et                                                 
                   al. could have notified Cabilly et al. of the omission when the exhibits were served.  We find                                                   
                   no prejudice to Boss et al. by entering the omitted exhibits into the record.                                                                    
                                                                                II.                                                                                 
                   Background:                                                                                                                                      
                            Immunoglobulins (Ig), also called antibodies, are protein molecules produced in                                                         
                   vertebrates by B cells in response to foreign antigenic agents.  (Boss et al. patent, column                                                     
                   1, lines 60-64, Cabilly et al. specification, page 1).  The basic structure of all                                                               
                   immunoglobulin molecules is a unit consisting of two identical light (L) polypeptide chains                                                      
                   of molecular weight of approximately 23,000 daltons and two identical heavy (H)                                                                  
                   polypeptide chains of molecular weight  53,000-70,000 daltons, shaped to form a Y:                                                               














                   Each H and L chain is held together by disulfide bonds to form a monomer, and the two                                                            

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