Common use of Rights to Improvements Clause in Contracts

Rights to Improvements. (a) Chiva shall have a right to make Improvements to the Licensed Technology, and to utilize such Improvements to make, have made, use, sell, have sold and import Licensed Products in the Territory. Chiva hereby grants to Ligand a non-exclusive, perpetual right and license in the Territory, without the right to grant sublicenses, to make, have made, use, sell, have sold, import and export Improvements made by or on behalf of Chiva during the Term. (b) Subject to the license granted to Ligand pursuant to Section 2.4(a), Improvements made by or on behalf of Chiva shall be owned and/or controlled exclusively by Chiva. For purposes of this Section 2.4(b), ownership of an Improvement shall be based on inventorship as determined in accordance with the patent law of the country in which the Improvement is reduced to practice.