<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from statement of
operations and balance sheet and is qualified in its entirety by reference to
such 10Q.
</LEGEND>
<CIK> 0000882104
<NAME> Protein Design Labs, Inc.
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               SEP-30-1996
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<EPS-PRIMARY>                                    (.64)
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