definiens: ICI AgreementleI Process " shaH mean the hyaluronic acid fermentation process which is the subject of the ICI Patent . In the event Seller acquires any right, title or interest ( including any licenses or sublicenses from any other party ) in or to any additional know - how, patents, or improvements relating specifically to the ICI Process during the ternl of this Agreement and Seller uses t11e reI Process with such additional know - how, patents or improvements in t11e manufacture of Amvisc Products for Buyer under t11is Agreement, to the extent t11e leI Agreement is stilI in effect, then Seller shall grant a worldwide, royalty free exclusive license to Buyer applicable to the Surgical Ophthalmic Field to make, have made, use and sell products utilizing such additional know - how, patents or improvements . Buyer shall, however, not practice under such license until termination or expiration of this Agreement or sooner upon Buyer 's exercise of its right to obtain a second source of supply under Section 2.3.2, 2.3.3, 3.6.2 or 3.7 . Unless Buyer 's right to obtain a second source of supply becomes effective under Section 2.3.2,2.3.3,3.6.2 or 3.7 are implicated, Buyer 's right to grant sublicenses t11ereto shall be limited to Affiliates of Buyer