KALFAS et al. V. WEAVER et al. V. WEAVER et al. V. ROWLAND et al. - Page 21




        market evaluation only" (Rowland Exhibit 2032). Thus, the letter            
        suggests that the features of the product were not to be                    
        disclosed to the general public.                                            
             For the reasons stated above, Rowland suppressed or                    
        concealed its invention, assuming that it had actually reduced              
        the invention to practice by 11 October 1991.                               
                 Rowland's alternative arq=ent that it reduced                      
                  the invention to practice on 8 February 1994                      
             Assuming that the 11 October 1991 activities establish only            
        a prior conception and not an actual reduction to practice,                 
        Rowland must demonstrate that it actually reduced the invention             
        to practice on 8 February 1994 and that it was diligent from a              
        time just prior to Weaver's 31 January 1994 benefit date until              
        its 8 February 1994 reduction to practice date.                             
             Rowland submits that on or about January 10, 1994, Rowland             
        sent three-lumen Ultratome XL devices to physicians for their               
        evaluation, that one went to Dr. Carr-Locke at Brigham and                  
        Women's Hospital in Boston, and that Dr. Carr-Locke used the                
        device in a patient on 8 February 1994 (Paper 96 at 23). In                 
        support of this assertion, Rowland directs us to its exhibits               
        2032 and 2033.'                                                             

             5 Rowland's brief refers to 11RR 2911 - record page 29.                
        However, no page 29 was ever submitted by Rowland. During oral              
        argument, counsel for Rowland indicated that the references to              
        "RR 2911 were typographical errors and that the references to "RR           
        291, should be replaced with references to Ex. 2033 (Transcript at          
        81). After the hearing, Rowland submitted a "revised brief" to              
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