PATENT INTERFERENCES NO. 102,922 & 103,088 DUMAS V. GILL - Page 5




                 Interference No. 102,922                                                                                                               
                 Interference No. 103,088                                                                                                               
                 patentability of claims in accordance with 37 CFR § 1.633(b)                                                                           
                 or                                                                                                                                     
                 37 CFR § 1.633(c)(4) have been raised in either interference.                                                                          
                          Gill is senior party in both interferences by virtue of                                                                       
                 the March 8, 1990, filing date accorded to him in the                                                                                  
                 respective declaration notices.  Gill did not take any                                                                                 
                 testimony in either interference to establish a date earlier                                                                           
                 than the March 8, 1990 date.  Therefore, Gill is restricted to                                                                         
                 his filing date; and Dumas, as junior party, must establish                                                                            
                 priority by a preponderance of the evidence.  Peeler v.                                                                                
                 Miller, 535 F.2d 647, 651, 190 USPQ 117, 120 (CCPA 1976).  For                                                                         
                 its case on priority, the party Dumas relies upon two                                                                                  
                 alternative grounds:  (1) derivation by senior party Gill; and                                                                         
                 (2)actual reduction to practice before the March 8, 1990 date                                                                          
                 of senior party Gill.                                                                                                                  
                          Both parties filed records,  briefs  and appeared at final3            4                                                               
                 hearing.                                                                                                                               



                          3The Dumas and Gill record and exhibits will be referred to                                                                   
                 herein by DR, DX, GR and GX followed by the appropriate page or                                                                        
                 exhibit number.                                                                                                                        
                          4The Dumas and Gill briefs will be referred to as DB, GB                                                                      
                 and DRB followed by the appropriate page number.                                                                                       
                                                                           5                                                                            





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