<ARTICLE>5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q FOR THE PERIOD ENDED 01/31/00. </LEGEND> <CIK> 0000704562 <NAME> TECHNICLONE CORPORATION <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> APR-30-2000 <PERIOD-START> MAY-01-1999 <PERIOD-END> JAN-31-2000 <EXCHANGE-RATE> 1,000 <CASH> 2,671 <SECURITIES> 0 <RECEIVABLES> 490 <ALLOWANCES> 363 <INVENTORY> 49 <CURRENT-ASSETS> 3,155 <PP&E> 3,192 <DEPRECIATION> 1,453 <TOTAL-ASSETS> 5,041 <CURRENT-LIABILITIES> 6,783 <BONDS> 0 <COMMON> 88 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> (5,246) <TOTAL-LIABILITY-AND-EQUITY> 5,041 <SALES> 0 <TOTAL-REVENUES> 278 <CGS> 0 <TOTAL-COSTS> 11,449 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 279 <INCOME-PRETAX> (11,450) <INCOME-TAX> 0 <INCOME-CONTINUING> (11,450) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (11,450) <EPS-BASIC> (0.15) <EPS-DILUTED> (0.15)