<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF PROTEON, INC. AS OF JUNE 28, 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>                             MAR-30-1997
<PERIOD-END>                               JUN-28-1997
<EXCHANGE-RATE>                                      1
<CASH>                                          10,546
<SECURITIES>                                     8,189
<RECEIVABLES>                                   11,124
<ALLOWANCES>                                       603
<INVENTORY>                                      6,014
<CURRENT-ASSETS>                                36,383
<PP&E>                                          13,555
<DEPRECIATION>                                   9,568
<TOTAL-ASSETS>                                  40,370
<CURRENT-LIABILITIES>                            7,054
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        49,451
<OTHER-SE>                                       (999)
<TOTAL-LIABILITY-AND-EQUITY>                    40,370
<SALES>                                          6,442
<TOTAL-REVENUES>                                 7,748
<CGS>                                            3,323
<TOTAL-COSTS>                                    4,000
<OTHER-EXPENSES>                                 5,144
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                (1,128)
<INCOME-TAX>                                         5
<INCOME-CONTINUING>                            (1,133)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (1,133)
<EPS-PRIMARY>                                   (0.07)
<EPS-DILUTED>                                   (0.07)