Development Milestone Payments. Licensee shall pay to Axsome the following development milestone payment (the “Development Milestone Payment”) upon the achievement of the following milestone for the Licensed Product (the “Development Milestone”), whether achieved by Licensee or an Affiliate or Sublicensee. Licensee shall promptly (but in no event later than seven (7) Business Days after) notify Axsome in writing of the achievement of the Development Milestone and Licensee shall pay Axsome in full the Development Milestone EAST\200870719.16

On a Product-by-Product basis, SGI will make one-time only milestone payments to Unum based on the first achievement of the development and regulatory milestone events as set forth in this Section 11.7 for each Product.

Milestone Payments. As partial consideration for Recordati’s agreements set forth in this Agreement, following achievement by ARS, its Affiliates or its Business Partner, as applicable, of any of the milestone events described below with respect to the first time (and only the first time) the Product achieves such milestone event (each, a “Milestone Event”), ARS will pay Recordati the corresponding milestone payment (a “Milestone Payment”) as follows:

Milestone Payments. In the event Arcus (on its own or through an Affiliate or their sublicensees) achieves a milestone specified below during the Term, Arcus shall promptly, but in no event more than ​ days after the achievement of each such milestone, notify WuXi in writing of the achievement of such milestone and pay to WuXi the milestone payments as specified below. Each commercialization milestone payment shall be payable only once per Licensed Product, except as expressly noted below. All milestone payments are non-refundable.

Milestone Payments. In the event Arcus (on its own or through an Affiliate or their sublicensees) achieves a milestone specified below during the Term, Arcus shall promptly, but in no event more than thirty (30) days after the achievement of each such milestone, notify Abmuno in writing of the achievement of such milestone. Arcus shall pay to Abmuno the milestone payments as specified below within thirty (30) days after receipt of a written invoice to be provided by Abmuno as soon as practicable following achievement of the particular milestone. Each milestone payment shall be payable only once for the first Licensed Product to achieve such milestones, regardless of the total number of Licensed Products to achieve the applicable milestone or the number of times each such milestone is achieved for a given Licensed Product. If the first Licensed Product to achieve an applicable milestone is not a Patented Product, then the payment specified in the table below earned with respect to such Licensed Product achieving such milestone shall be reduced by ​.

Milestone Payments. In addition to the above, Zai Lab will pay to GSK each of the applicable milestone payments provided for in this Section 4.2 upon the occurrence of the indicated milestone event. Each such milestone payment will be due in RMB and payable only once to GSK within ​ days Zai Lab receives the applicable invoice from GSK, and Zai Lab shall notify GSK within ​ days after the achievement of the specified milestone event so that GSK may issue such invoice. Each such milestone payment shall be payable only once under this Agreement for each Compound (i.e., no more than twice under this Agreement, once for each Compound), and will be non-refundable, non-creditable and not subject to set-off. Following such payment, the subsequent repeated occurrence of the same milestone event by the same Compound or Product will not under any circumstances trigger any additional milestone payment as a result of such event.

Milestone Payments. With respect to each Product, Licensee will pay Harvard XXX within XXX after first XXX of such Product.

​ = Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended.

Milestone Payments. Subject to the terms and conditions of this Agreement and in further consideration for the license granted herein, Licensee shall make each of the following one-time, non-refundable, non-creditable milestone payments to Merck based on attainment of the Development, regulatory and commercial milestones indicated below:

Research and Development Milestones. Subject to the terms and conditions of this Agreement Merck shall pay to Ablynx the following milestone payments: