2. License Grants
2.2. License Grant to Gilead. Licensee hereby grants to Gilead a nonexclusive, royalty-free, worldwide, sublicensable license to all improvements, methods (including manufacturing processes), modifications and other know-how, including any chemistry improvements or modifications, developed by or on behalf of Licensee and relating to API or a Product (“Improvements”), subject to the restrictions on further transfer of Licensee’s technology by Gilead as set forth in Section 5.3. Licensee shall, as between Gilead and Licensee, own all such Improvements and shall, as between Licensee and Gilead, have the sole right, but not the obligation, to pursue intellectual property protection with respect to such Improvements.