Insurance. At such time as Licensee or any of its sublicensees begins any Clinical Trial relating to Licensed Product, Licensee shall, at its own expense, procure and maintain policies of comprehensive general liability insurance (including without limitation product liability insurance) in the amount of ​. All such policies shall name Merck as an additional insured, and insurers will waive all rights of subrogation against Merck. Upon Merck’s request, Licensee will promptly provide for itself and its sublicensees copies of certificates of insurance evidencing such coverages. Licensee shall notify Merck not less than ​ days in advance of any material change or cancellation of any policy. Licensee shall continue to maintain such insurance in effect after the expiration or termination of this Agreement during any period in which Licensee or its sublicensee continues to make, have made, use, sell, offer to sell or import Licensed Product. If any insurance is on a claims made basis, Licensee will maintain such insurance for a period of not less than ​ years after it has ceased all commercial sale, distribution or use of any Product.