To the extent the Products contain, employ, utilize or otherwise involve any materials, device, software, or any other matter that may be the subject of or protected by any Intellectual Property Rights, Ecos hereby provides to Buyer a fully-paid, royalty-free, perpetual, sublicensable right and license to exercise such Intellectual Property rights to the fullest extent necessary for Buyer to exercise its rights or perform its obligations under this Agreement. Nothing in this section shall alter or affect any rights which Buyer or any other party may have to the Products or any portion thereof under any applicable legal doctrine of exhaustion, first sale, or the like.