<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF PROTEON, INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-30-1996 <EXCHANGE-RATE> 1 <CASH> 23,691 <SECURITIES> 8,649 <RECEIVABLES> 9,711 <ALLOWANCES> 0 <INVENTORY> 8,238 <CURRENT-ASSETS> 52,188 <PP&E> 32,343 <DEPRECIATION> 24,377 <TOTAL-ASSETS> 60,154 <CURRENT-LIABILITIES> 12,621 <BONDS> 0 <COMMON> 49,186 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> (1,653) <TOTAL-LIABILITY-AND-EQUITY> 60,154 <SALES> 10,297 <TOTAL-REVENUES> 14,018 <CGS> 5,685 <TOTAL-COSTS> 6,787 <OTHER-EXPENSES> 7,549 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (459) <INCOME-PRETAX> 141 <INCOME-TAX> 0 <INCOME-CONTINUING> 141 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 141 <EPS-PRIMARY> .01 <EPS-DILUTED> .01