The term of Agreement shall commence on the Effective Date and shall remain in effect until the date on which there are no more pending or issued and unexpired Claims within Patent Rights (“ Expiration Date ”), unless Agreement is terminated earlier in accordance with any of the other provisions of this Article 10.  Only upon Expiration Date and all payments from Company to Hospital have been made as required by Agreement, Company shall have a worldwide, perpetual, irrevocable, fully paid up, freely sublicensable license under the rights and licenses granted to Company under Section 2.1; provided ,   however , that the obligation of Company to pay royalties on Net Sales of Products and Processes for which the royalty term has not expired in accordance with Section 4.5(e) at Expiration Date shall continue uninterrupted until such expiration of Agreement in accordance with Section 4.5(e).