<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)