IDM PHARMA, INC.
EXHIBIT 10.20
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<DESCRIPTION>EXHIBIT 10.20
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Exhibit&nbsp;10.20
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<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><FONT style="font-variant: SMALL-CAPS"><B>IDM Pharma, Inc.</B></FONT><BR>
<FONT style="font-variant: SMALL-CAPS"><B>2000 Stock Plan</B></FONT>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><FONT style="font-variant: SMALL-CAPS"><B>French Participants</B></FONT><BR>
<FONT style="font-variant: SMALL-CAPS"><B>Deferred Issuance Restricted Stock Bonus Agreement </B></FONT>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the Deferred Issuance Restricted Stock Bonus Grant Notice (&#147;<B><I>Grant Notice</I></B>&#148;)
and this Deferred Issuance Restricted Stock Bonus Agreement (collectively, the &#147;<B><I>Award</I></B>&#148;) and in
consideration of your past services, IDM Pharma, Inc. (the &#147;<B><I>Company</I></B>&#148;) has awarded you a deferred
issuance restricted stock bonus under its 2000 Stock Plan (the &#147;<B><I>Plan</I></B>&#148;) for the number of shares of
the Company&#146;s Common Stock subject to the Award as indicated in the Grant Notice. Your Award is
granted to you effective as of the Date of Grant set forth in the Grant Notice for this Award (the
"<B><I>Effective Date</I></B>&#148;). Defined terms not explicitly defined in this Deferred Issuance Restricted Stock
Bonus Agreement but defined in the Plan shall have the same definitions as in the Plan.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>NOW, THEREFORE</B>, in consideration of the mutual covenants herein contained and other good and
valuable consideration, the receipt of which is hereby acknowledged, the parties hereto do hereby
agree that the details of your Award are as follows:
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Vesting</B></FONT><B>.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(a) </B>Subject to the limitations contained herein, your Award will vest in accordance with the
vesting schedule provided in the Grant Notice, provided that vesting will cease upon the
termination of your Continuous Service.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b) </B>&#091;Upon the occurrence of any of the following events, the vesting of your Award will be
accelerated as follows, provided that you remain in the Company&#146;s Continuous Service from the
Effective Date through such applicable date: &#95;&#95;&#95;
For purposes of the additional vesting provided in this Section&nbsp;1(b), the accelerated vesting, if
any, shall be with respect to shares scheduled to vest last in time.&#093;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(c) </B>Notwithstanding anything to the contrary set forth herein or in the Grant Notice, none of
the shares subject to your Award shall vest until the shares are issuable to you in accordance with
the provisions of Section 6(a) below. However, if the issuance of your shares is delayed pursuant
to the provisions of Section 6(b) below, and your Continuous Service has not terminated, then the
shares subject to your Award shall not vest until the earlier of: (i)&nbsp;termination of your
Continuous Service, or (ii)&nbsp;the actual date of issuance of the shares to you in accordance with
Section 6(b) below.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Number of Shares</B></FONT><B>. </B>The number of shares subject to your Award may be adjusted from
time to time for capitalization adjustments, as provided in the Section 12(a) of the Plan.
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<P align="center" style="font-size: 10pt">1
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Securities Law Compliance</B></FONT><B>. </B>You may not be issued any shares under your Award
unless the shares are either (i)&nbsp;then registered under the Securities Act or (ii)&nbsp;the Company has
determined that such issuance would be exempt from the registration requirements of the Securities
Act. Your Award must also comply with other applicable laws and regulations governing the Award,
and you will not receive such shares if the Company determines that such receipt would not be in
material compliance with such laws and regulations.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>4.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Limitations on Transfer</B></FONT><B>. </B>Your Award is not transferable, except by will or by the
laws of descent and distribution. In addition to any other limitation on transfer created by
applicable securities laws, you agree not to assign, hypothecate, donate, encumber or otherwise
dispose of any interest in any of the shares of Common Stock held by you under the Award until the
shares are issued to you in accordance with Section&nbsp;6 of this Agreement. After the shares have
been issued to you, you are free to assign, hypothecate, donate, encumber or otherwise dispose of
any interest in such shares provided that any such actions are in compliance with the provisions
herein and applicable securities laws.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Dividends.</B></FONT> You shall be entitled to receive payments equal to any cash dividends
and other distributions paid with respect to a corresponding number of shares covered by your
Award, provided that if any such dividends or distributions are paid in shares, the Fair Market
Value of such shares shall be converted into additional shares covered by the Award, and further
provided that such additional shares shall be subject to the same forfeiture restrictions and
restrictions on transferability as apply to the shares subject to the Award with respect to which
they relate.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Date of Issuance. </B></FONT>
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(a) </B>The Company will issue to you a number of shares of the Company&#146;s Common Stock equal to
the number of vested shares subject to your Award, including any additional shares received
pursuant to Section&nbsp;5 above that relate to those vested shares, on the earlier of (i)&nbsp;the
&#95;&#95;&#95;(&#95;&#95;&#95;) month anniversary of the Effective Date, (ii)&nbsp;the effective date of your
termination of Continuous Service.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b) </B>Notwithstanding anything to the contrary set forth herein, if the date of issuance of your
shares would occur on a date during which executive officers of the Company are prohibited by
Company policy or applicable securities or exchange rules from trading the stock of the Company,
the shares shall not be issued to you until the next business date during which trading Company
shares is not prohibited.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Restrictive Legends.</B></FONT> The shares issued under your Award shall be endorsed with
appropriate legends determined by the Company.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>8. </B><FONT style="font-variant: SMALL-CAPS"><B>Award not a Service Contract</B></FONT><B>. </B>Your Award is not an employment or service
contract, and nothing in your Award shall be deemed to create in any way whatsoever any obligation
on your part to continue in the employ of the Company or an Affiliate, or on the part of the
Company or an Affiliate to continue your employment. In addition, nothing in your Award shall
obligate the Company or an Affiliate, their respective stockholders, boards of directors, Officers
or
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<P align="center" style="font-size: 10pt">2
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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Employees to continue any relationship that you might have as a Director or Consultant for the
Company or an Affiliate.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Withholding Obligations.</B></FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(a) </B>On or before the time you receive a distribution of shares pursuant to your Award, or at
any time thereafter as requested by the Company, you hereby authorize withholding from payroll
and/or any other amounts payable to you, and otherwise agree to make adequate provision for any
sums required to satisfy the federal, state, local and foreign tax withholding obligations of the
Company or an Affiliate, if any, which arise in connection with your Award.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b) </B>Unless the tax withholding obligations of the Company and/or any Affiliate are satisfied,
the Company shall have no obligation to issue a certificate for such shares of Common Stock subject
to your Award.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Unsecured Obligation.</B></FONT> Your Award is unfunded, and as a holder of an Award, you
shall be considered an unsecured creditor of the Company with respect to the Company&#146;s obligation,
if any, to issue shares pursuant to this Agreement. You shall not have voting or any other rights
as a stockholder of the Company with respect to the shares subject to your Award until such shares
are issued to you pursuant to Section&nbsp;6 of this Agreement. Upon such issuance, you will obtain
full voting and other rights as a stockholder of the Company. Nothing contained in this Agreement,
and no action taken pursuant to its provisions, shall create or be construed to create a trust of
any kind or a fiduciary relationship between you and the Company or any other person.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>11.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Notices</B></FONT><B>. </B>Any notices provided for in your Award or the Plan shall be given in
writing and shall be deemed effectively given upon receipt or, in the case of notices delivered by
the Company to you, five (5)&nbsp;days after deposit in the United States mail, postage prepaid,
addressed to you at the last address you provided to the Company.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>12.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Miscellaneous</B></FONT><B>.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(a) </B>The rights and obligations of the Company under your Award shall be transferable to any
one or more persons or entities, and all covenants and agreements hereunder shall inure to the
benefit of, and be enforceable by the Company&#146;s successors and assigns. Your rights and obligations
under your Award may only be assigned with the prior written consent of the Company.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b) </B>You agree upon request to execute any further documents or instruments necessary or
desirable in the sole determination of the Company to carry out the purposes or intent of your
Award.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(c) </B>You acknowledge and agree that you have reviewed your Award in its entirety, have had an
opportunity to obtain the advice of counsel prior to executing and accepting your Award and fully
understand all provisions of your Award.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>13. </B><FONT style="font-variant: SMALL-CAPS"><B>Governing Plan Document</B></FONT><B>. </B>Your Award is subject to all the provisions of the
Plan, the provisions of which are hereby made a part of your Award, and is further subject to all
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">interpretations, amendments, rules and regulations which may from time to time be promulgated
and adopted pursuant to the Plan. In the event of any conflict between the provisions of your
Award and those of the Plan, the provisions of the Plan shall control.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>14.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Severability.</B></FONT> If all or any part of this Agreement or the Plan is declared by
any court or governmental authority to be unlawful or invalid, such unlawfulness or invalidity
shall not invalidate any portion of this Agreement or the Plan not declared to be unlawful or
invalid. Any Section of this Agreement (or part of such a Section) so declared to be unlawful or
invalid shall, if possible, be construed in a manner which will give effect to the terms of such
Section or part of a Section to the fullest extent possible while remaining lawful and valid.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>15.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Effect on Other Employee Benefit Plans.</B></FONT> The value of the Award subject to this
Agreement shall not be included as compensation, earnings, salaries, or other similar terms used
when calculating the Employee&#146;s benefits under any employee benefit plan sponsored by the Company
or any Affiliate, except as such plan otherwise expressly provides. The Company expressly reserves
its rights to amend, modify, or terminate any of the Company&#146;s or any Affiliate&#146;s employee benefit
plans.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>16.&nbsp;</B><FONT style="font-variant: SMALL-CAPS"><B>Amendment.</B></FONT> This Agreement may not be modified, amended or terminated except by
an instrument in writing, signed by you and by a duly authorized representative of the Company.
Notwithstanding the foregoing, this Agreement may be amended solely by the Board by a writing which
specifically states that it is amending this Agreement, so long as a copy of such amendment is
delivered to you, and provided that no such amendment adversely affecting your rights hereunder may
be made without your written consent. Without limiting the foregoing, the Board reserves the right
to change, by written notice to you, the provisions of this Agreement in any way it may deem
necessary or advisable to carry out the purpose of the grant as a result of any change in
applicable laws or regulations or any future law, regulation, ruling, or judicial decision,
provided that any such change shall be applicable only to rights relating to that portion of the
Award which is then subject to restrictions as provided herein.
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