definiens: shall mean an agreement between one or more Licensees, on the one hand, and a ThirdParty / Sublicensee, on the other hand, in the field of microRNAs in which multiple patents ( including the Patent Rightsgranted as a sublicense in accordance with Section 2.2 below, and other patent rights relevant for the development and / orcommercialisation of a Licensed Product that are Controlled by the Licensee ), are bundled together and pursuant to which:(a ) such Licensee(s ) and such Sublicensee have agreed to conduct joint discovery, joint optimization, and/or jointpreclinical and/or clinical development of Licensed Products ; and / or(b ) such Sublicensee is granted a license, or an option to obtain a license, to further develop, make, have made, use, sell, have sold, offer for sale, and/or import a Licensed Product that either ( i ) was discovered or acquired by such Licensee(s)prior to entering into a sublicense agreement with such Sublicensee, or ( ii ) was or is jointly discovered, jointly optimized, and/or jointly developed ( preclinically and/or clinically ) by such Licensee(s ) and such Sublicensee;Agreements between one or more Licensees, on the one hand, and a Third Party, on the other hand, that do not include orinvolve the Patent Rights, or that solely include the Patent Rights as relevant patent rights in the field of microRNAs, or thatdo not fulfill Subsections ( a ) and/or ( b ) above, shall not constitute Platform Alliances . For the avoidance of doubt, the Partiesacknowledge and agree that each of the Existing Regulus Sublicenses is a Platform Alliance