<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF PROTEON, INC. AS OF SEPTEMBER 27, 1997 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-31-1997 <PERIOD-START> JUN-29-1997 <PERIOD-END> SEP-28-1997 <EXCHANGE-RATE> 1 <CASH> 8,148 <SECURITIES> 11,377 <RECEIVABLES> 8,089 <ALLOWANCES> 597 <INVENTORY> 5,106 <CURRENT-ASSETS> 33,238 <PP&E> 12,369 <DEPRECIATION> 8,915 <TOTAL-ASSETS> 36,692 <CURRENT-LIABILITIES> 6,272 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 49,503 <OTHER-SE> (1,037) <TOTAL-LIABILITY-AND-EQUITY> 36,692 <SALES> 4,195 <TOTAL-REVENUES> 5,006 <CGS> 2,577 <TOTAL-COSTS> 3,252 <OTHER-EXPENSES> 4,912 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (2,887) <INCOME-TAX> 7 <INCOME-CONTINUING> (2,894) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (2,894) <EPS-PRIMARY> (0.19) <EPS-DILUTED> (0.19)