<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FILETEK,
INC. CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE YEAR ENDED
DECEMBER 31, 1997 AND THE THREE MONTHS ENDED MARCH 31, 1998.
</LEGEND>
       
                                                  
<PERIOD-TYPE>                   12-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998
<PERIOD-START>                             JAN-01-1997             JAN-01-1998
<PERIOD-END>                               DEC-31-1997             MAR-31-1998
<CASH>                                       7,163,050              10,552,219
<SECURITIES>                                         0                       0
<RECEIVABLES>                                4,864,323               3,817,100
<ALLOWANCES>                                    75,000                  32,392
<INVENTORY>                                  5,291,035               4,571,132
<CURRENT-ASSETS>                            17,707,751              20,804,678
<PP&E>                                      10,587,196              10,703,556
<DEPRECIATION>                               7,145,419               7,539,134
<TOTAL-ASSETS>                              22,131,715              24,788,756
<CURRENT-LIABILITIES>                       19,360,013              20,122,280
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                     58,130                  58,130
<COMMON>                                           837                     862
<OTHER-SE>                                   2,232,325                       0
<TOTAL-LIABILITY-AND-EQUITY>                22,131,715              24,788,756
<SALES>                                     12,922,581               5,524,746
<TOTAL-REVENUES>                            23,699,142               8,552,781
<CGS>                                        6,120,765               2,167,738
<TOTAL-COSTS>                               11,676,527               3,937,350
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             590,123                  20,123
<INCOME-PRETAX>                              1,824,167               2,018,758
<INCOME-TAX>                                   315,000                       0
<INCOME-CONTINUING>                          1,509,167               2,018,758
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 1,509,167               2,018,758
<EPS-PRIMARY>                                   187.00                   23.67
<EPS-DILUTED>                                     0.17                    0.21