such ReGenX Licensors discovery research efforts with non-profit organizations and collaborators.
2.2.3 The rights and licenses granted in Section 2.1 shall not include any right (and Licensor retains the exclusive (even as to Licensee), fully sublicensable right) under the Licensed Patents:
(a) to conduct commercial reagent and services businesses, which includes the right to make, have made, use, sell, offer to sell, and import research reagents, including any viral vector construct; provided that, for clarity, such rights retained by Licensor shall not include the right to conduct clinical trials in humans in the Field; or
(b) to use the Licensed Patents to provide services to any Third Parties; provided that Licensees license under Section 2.1 does include the right to provide the service of the administration of Licensed Products to patients.
2.2.4 Licensor retains the fully sublicensable right under the Licensed Patents to grant non-exclusive research and development licenses to Affiliates and Third Parties; provided that such development rights granted by Licensor shall not include the right to conduct clinical trials in humans in the Field or any rights to sell products in the Field.
2.2.5 The Trustees of the University of Pennsylvania may use and permit other non-profit organizations or other non-commercial entities to use the Licensed Patents for educational and research purposes.
2.3 Government Rights. Licensee acknowledges that the United States government retains certain rights in intellectual property funded in whole or part under any contract, grant, or similar agreement with a federal agency. The license grant hereunder is expressly subject to all applicable United States government rights, including any applicable requirement that products resulting from such intellectual property sold in the United States must be substantially manufactured in the United States.
2.4.1 The license granted pursuant to Section 2.1 is sublicensable by Licensee to any Affiliates or Third Parties; provided that any such sublicense must comply with the provisions of this Section 2.4 (including Section 2.4.2).
2.4.2 The right to sublicense granted to Licensee under this Agreement is subject to the following conditions:
(a) Licensee may only grant sublicenses pursuant to a written sublicense agreement with the Sublicensee; ****. Licensor must receive written notice as soon as practicable following execution of any such sublicenses. Any further sublicenses granted by any Sublicensees (to the extent permitted hereunder) must comply with the provisions of this Section 2.4
****CERTAIN INFORMATION HAS BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN REQUESTED WITH RESPECT TO THE OMITTED PORTIONS.