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USD ($)

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&lt;tr&gt;
&lt;td&gt;
&lt;p style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&lt;b&gt;4. ACQUIRED IN-PROCESS RESEARCH AND DEVELOPMENT EXPENSE &lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;In 2010, we recognized acquired in-process research and development expense of: &lt;/font&gt;&lt;/p&gt;
&lt;ul&gt;
&lt;li style="list-style: none"&gt;
&lt;dl compact="compact"&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$100.0&amp;nbsp;million in exchange for worldwide license rights to Mesoblast's proprietary technology platform.&lt;/font&gt;&lt;/dd&gt;&lt;/dl&gt;&lt;/li&gt;&lt;/ul&gt;
&lt;p style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;In 2009, we recognized acquired in-process research and development expense of: &lt;/font&gt;&lt;/p&gt;
&lt;ul&gt;
&lt;li style="list-style: none"&gt;
&lt;dl compact="compact"&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$9.4&amp;nbsp;million in exchange for the elimination of the $15.0&amp;nbsp;million milestone and royalty payments associated with the celecoxib license agreement and Acusphere patent rights relating to its HDDS technology. See Note&amp;nbsp;2 herein; &lt;/font&gt;&lt;font size="2"&gt;&lt;br /&gt;
&lt;br /&gt;&lt;/font&gt;&lt;/dd&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$30.0&amp;nbsp;million in exchange for the exclusive, worldwide license rights to LUPUZOR&lt;sup&gt;TM&lt;/sup&gt;, acquired from ImmuPharma; &lt;/font&gt;&lt;font size="2"&gt;&lt;br /&gt;
&lt;br /&gt;&lt;/font&gt;&lt;/dd&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$0.8&amp;nbsp;million in exchange for exclusive sublicense rights to bendamustine hydrochloride in China and Hong Kong, acquired from SymBio; and &lt;/font&gt;&lt;font size="2"&gt;&lt;br /&gt;
&lt;br /&gt;&lt;/font&gt;&lt;/dd&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$6.0&amp;nbsp;million in exchange for license rights to certain of XOMA&amp;nbsp;Ltd.'s proprietary antibody library materials. &lt;/font&gt;&lt;/dd&gt;&lt;/dl&gt;&lt;/li&gt;&lt;/ul&gt;
&lt;p style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;In 2008, we recognized acquired in-process research and development expense of: &lt;/font&gt;&lt;/p&gt;
&lt;ul&gt;
&lt;li style="list-style: none"&gt;
&lt;dl compact="compact"&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$10.0&amp;nbsp;million related to our purchased of license rights for Acusphere's HDDS technology for use in oncology therapeutics; &lt;/font&gt;&lt;font size="2"&gt;&lt;br /&gt;
&lt;br /&gt;&lt;/font&gt;&lt;/dd&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$15.0&amp;nbsp;million related to LUPUZOR option rights; and &lt;/font&gt;&lt;font size="2"&gt;&lt;br /&gt;
&lt;br /&gt;&lt;/font&gt;&lt;/dd&gt;
&lt;dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"&gt;&lt;font size="2"&gt;&amp;#149;&lt;/font&gt;&lt;/dt&gt;
&lt;dd style="FONT-FAMILY: times"&gt;&lt;font size="2"&gt;$17.0&amp;nbsp;million in connection with the initial consolidation of Acusphere, a variable interest entity for which we are the primary beneficiary. &lt;/font&gt;&lt;/dd&gt;&lt;/dl&gt;&lt;/li&gt;&lt;/ul&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
</NonNumbericText><NonNumericTextHeader>4. ACQUIRED IN-PROCESS RESEARCH AND DEVELOPMENT EXPENSE
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;In 2010, we recognized acquired in-process research</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>Description, amount and terms involving research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
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 -Publisher AICPA
 -Name Audit and Accounting Guide (AAG)
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