<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)