WIDDER V. UNGER et al. - Page 1




                                                                  THIS OPINION WAS NOT WRITTEN FOR PUBLICATION                                                                                                                          
                           The opinion in support of the decision being entered today (1) was not written                                                                                                                               
                           for publication in a law journal and (2) is not binding precedent of the                                                                                                                                     
                           Board.                                                                                                                                                                                                       
                                                                                                                                                                                 Paper No. 35                                           
                           Filed by: Trial Section Merits Panel                                                                                                                                                                         
                           Box Interference                                                                                                                                                                                             
                           Washington, D.C.  20231                                                                                                                                                                                      
                           Tel:  703-308-9797                                                                                                                                                                                           
                           Fax:  703-305-0942                                                                                                                                                                                           
                                                            UNITED STATES PATENT AND TRADEMARK OFFICE                                                                                                                                   
                                                                                               _______________                                                                                                                          
                                                                     BEFORE THE BOARD OF PATENT APPEALS                                                                                                                                 
                                                                                            AND INTERFERENCES                                                                                                                           
                                                                                               _______________                                                                                                                          
                                                                                            KENNETH J. WIDDER                                                                                                                           
                                                                                                   Junior Party                                                                                                                         
                                                                                     (Patent No. 5,373,846)1                                                                                                                            
                                                                                                                 v.                                                                                                                     
                                                                               EVAN C. UNGER and GUANLI WU                                                                                                                              
                                                                                                   Senior Party                                                                                                                         
                                                                                  (Application 08/574,373)2                                                                                                                             
                                                                                               _______________                                                                                                                          
                                                                         Patent Interference No. 104,237                                                                                                                                
                                                                                               _______________                                                                                                                          

                                        1         Filed October 25, 1993, now Patent No. 5,373,846, issued                                                                                                                              
                           December  20,  1994.    Accorded  the  benefit  of  application                                                                                                                                              
                           07/957,215, filed October 6, 1992.  Assigned to Molecular                                                                                                                                                    
                           Biosystems, Inc.                                                                                                                                                                                             
                                        2 Filed December 18, 1995.  Accorded the benefit of                                                                                                                                             
                           application 08/391,936, filed February 21, 1995, now Patent No.                                                                                                                                              
                           5,639,442, issued June 17, 1997, application 08/058,098, filed                                                                                                                                               
                           May 5, 1993, now Patent No. 5,420,176, issued May 30, 1995,                                                                                                                                                  
                           application 07/708,731, filed May 31, 1991, and application                                                                                                                                                  
                           07/532,213,  filed  June  1,  1990.    Assigned  to  Imarx                                                                                                                                                   
                           Pharmaceutical Corp.                                                                                                                                                                                         





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