Common use of Right of First Negotiation for Follow-On Compounds Clause in Contracts

Right of First Negotiation for Follow-On Compounds. On a Collaboration Program-by-Collaboration Program basis, during the period commencing on the Effective Date and ending upon (i) if the applicable Option is not exercised in accordance with this Agreement, [***], or (ii) if the applicable Option is exercised in accordance with this Agreement, [***] (such period, the “ROFN Period”), Isis hereby grants to Biogen Idec a right of first negotiation to develop and commercialize any Follow-On Compound developed by or on behalf of Isis, which right of first negotiation is granted on the following terms and conditions:

Right of First Negotiation for Follow-On Compounds. On a Collaboration Program-by-Collaboration Program basis, during the period commencing on the Effective Date and ending upon (i) if the applicable Option is not exercised in accordance with this Agreement, [***], ] or (ii) if the applicable Option is exercised in accordance with this Agreement, [***] (such period, the “ROFN Period”), Isis Ionis hereby grants to Biogen Idec a right of first negotiation to develop and commercialize any Follow-On Compound developed by or on behalf of IsisIonis, which right of first negotiation is granted on the following terms and conditions:

Right of First Negotiation for Follow-On Compounds. On a Collaboration Program-by-Collaboration Program basis, during the period commencing on the Effective Date and ending upon (i) if the applicable Option is not exercised in accordance with this Agreement, [***], or (ii) if the applicable Option is exercised in accordance with this Agreement, [***] (such period, the “ROFN Period”), Isis Ionis hereby grants to Biogen Idec a right of first negotiation to develop and commercialize any Follow-On Compound developed by or on behalf of IsisIonis, which right of first negotiation is granted on the following terms and conditions: