<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED FINANCIAL STATEMENTS OF T CELL SCIENCES, INC. FOR THE THREE MONTHS
ENDED MARCH 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                       9,398,814
<SECURITIES>                                         0
<RECEIVABLES>                                  106,854
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            10,138,591
<PP&E>                                       2,892,815
<DEPRECIATION>                             (2,324,895)
<TOTAL-ASSETS>                              16,132,244
<CURRENT-LIABILITIES>                        1,768,049
<BONDS>                                              0
<COMMON>                                        19,919
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                  14,162,703
<TOTAL-LIABILITY-AND-EQUITY>                16,132,244
<SALES>                                        497,613
<TOTAL-REVENUES>                               588,830
<CGS>                                          348,335
<TOTAL-COSTS>                                2,888,177
<OTHER-EXPENSES>                             (315,665)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           (132,061)
<INCOME-PRETAX>                            (1,851,621)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (1,851,621)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (1,851,621)
<EPS-PRIMARY>                                   (0.09)
<EPS-DILUTED>                                   (0.09)