<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF PROTEON, INC. AS OF MARCH 28, 1998 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-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-28-1998 <EXCHANGE-RATE> 1 <CASH> 5,069 <SECURITIES> 9,668 <RECEIVABLES> 6,188 <ALLOWANCES> 0 <INVENTORY> 6,102 <CURRENT-ASSETS> 27,459 <PP&E> 13,251 <DEPRECIATION> 10,180 <TOTAL-ASSETS> 30,530 <CURRENT-LIABILITIES> 6,139 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 49,538 <OTHER-SE> (1,056) <TOTAL-LIABILITY-AND-EQUITY> 30,530 <SALES> 3,493 <TOTAL-REVENUES> 4,188 <CGS> 2,062 <TOTAL-COSTS> 2,573 <OTHER-EXPENSES> 4,315 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (2,509) <INCOME-TAX> 4 <INCOME-CONTINUING> (2,513) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (2,513) <EPS-PRIMARY> (0.16) <EPS-DILUTED> (0.16)