Common use of Option Term Extension Clause in Contracts

Option Term Extension. (a) If a Change of Control of Acceleron occurs, then at that time Celgene shall have an Option on the following: (i) any Option Compounds not selected by Celgene pursuant to Section 7.2.1 or 7.2.2, but only if Acceleron has not already (x) granted any Third Party any rights to such compound or (y) filed an IND (which is accepted by the applicable Regulatory Authority) on such compound in a field outside of Use in Anemia, in each case, as permitted by Section 7.2.3, and (ii) any pre-IND compounds under development by Acceleron for which Acceleron intends to file an IND for Use in Anemia with respect to which pre-IND compounds Acceleron has completed toxicology studies and Acceleron has not granted any Third Party any rights (“Pre-IND Anemia Compounds”). (b) At such time as Celgene’s option under this Section 7.2.4 would apply, Acceleron shall deliver to Celgene written notice setting forth (i) a list of all Option Compounds described in Section 7.2.4(a)(i) and (ii) a list of all Pre-IND Anemia Compounds, together with relevant available data with respect to such Option Compounds and Pre-IND Anemia Compounds (which shall include the information described in Section 7.2.1 or 7.2.2 to the extent available). Within [* * *] days following receipt of such notice, Celgene may provide written notice to Acceleron stating its desire to exercise its option for any such Option Compound or any such Pre-IND Anemia Compound to be a Licensed Compound hereunder. Effective as of the date of Acceleron’s receipt of such notice from Celgene with respect to any such Option Compound or any such Pre-IND Anemia Compound, Celgene’s Option with respect to such compound shall be exercised and the definition of “Licensed Compound” hereunder shall automatically be deemed to include such compound. Furthermore, Acceleron will promptly provide Celgene with such additional information and access to records with respect to the applicable Option Compound or Pre-IND Anemia Compound in Acceleron’s possession or available to Acceleron from a Third Party, as Celgene may reasonably request; provided that such request for additional information shall not extend the [* * *] period for Celgene to exercise its Option unless Acceleron fails to provide the requested information in a timely fashion. Upon Celgene’s exercise of an Option, the initial Development Plan/Budget proposed by Acceleron, if any (including the proposed Initial Development Diseases), with such changes as are determined by Celgene, in its sole discretion, shall be deemed part of the Development Plan/Budget and deemed approved by the Joint Development Committee; provided that Acceleron shall not be required as part of its notice under this Section 7.2.4 to propose a Development Plan/Budget, in which event Celgene shall prepare a draft, which shall be deemed approved by the Joint Development Committee.

Option Term Extension. (a) If a Change of Control of Acceleron occurs, then at that time Celgene shall have an Option on the following: : (i) any Option Compounds not selected by Celgene pursuant to Section 7.2.1 or 7.2.2, but only if Acceleron has not already (x) granted any Third Party any rights to such compound or (y) filed an IND (which is accepted by the applicable Regulatory Authority) on such compound in a field outside of Use in Anemia, in each case, as permitted by Section 7.2.3, and and (ii) any pre-IND compounds under development by Acceleron for which Acceleron intends to file an IND for Use in Anemia with respect to which pre-IND compounds Acceleron has completed toxicology studies and Acceleron has not granted any Third Party any rights (“Pre-IND Anemia Compounds”). (b) At such time as Celgene’s option under this Section 7.2.4 would apply, Acceleron shall deliver to Celgene written notice setting forth (i) a list of all Option Compounds described in Section 7.2.4(a)(i) and (ii) a list of all Pre-IND Anemia Compounds, together with relevant available data with respect to such Option Compounds and Pre-IND Anemia Compounds (which shall include the information described in Section 7.2.1 or 7.2.2 to the extent available). Within [* * *] days following receipt of such notice, Celgene may provide written notice to Acceleron stating its desire to exercise its option for any such Option Compound or any such Pre-IND Anemia Compound to be a Licensed Compound hereunder. Effective as of the date of Acceleron’s receipt of such notice from Celgene with respect to any such Option Compound or any such Pre-IND Anemia Compound, Celgene’s Option with respect to such compound shall be exercised and the definition of “Licensed Compound” hereunder shall automatically be deemed to include such compound. Furthermore, Acceleron will promptly provide Celgene with such additional information and access to records with respect to the applicable Option Compound or Pre-IND Anemia Compound in Acceleron’s possession or available to Acceleron from a Third Party, as Celgene may reasonably request; provided that such request for additional information shall not extend the [* * *] period for Celgene to exercise its Option unless Acceleron fails to provide the requested information in a timely fashion. Upon Celgene’s exercise of an Option, the initial Development Plan/Budget proposed by Acceleron, if any (including the proposed Initial Development Diseases), with such changes as are 57 THIS EXHIBIT HAS BEEN REDACTED AND IS THE SUBJECT OF A CONFIDENTIAL TREATMENT REQUEST. REDACTED MATERIAL IS MARKED WITH [* * *] AND HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. determined by Celgene, in its sole discretion, shall be deemed part of the Development Plan/Budget and deemed approved by the Joint Development Committee; provided that Acceleron shall not be required as part of its notice under this Section 7.2.4 to propose a Development Plan/Budget, in which event Celgene shall prepare a draft, which shall be deemed approved by the Joint Development Committee.